A. Argyraki, M. Ramsey, and P. Potts, Evaluation of Portable X-ray Fluorescence Instrumentation for in situ Measurements of Lead on Contaminated Land, The Analyst, vol.122, issue.8, pp.743-749, 1997.
DOI : 10.1039/a700746i

D. C. Arne and G. M. Jeffress, Sampling and Analysis for Public Reporting of Portable X-ray Fluorescence Data Under the 2012 Edition of the JORC Code, pp.29-30, 2014.

D. C. Arne, R. A. Mackie, and S. A. Jones, The use of property-scale portable X-ray fluorescence data in gold exploration: advantages and limitations, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.3, pp.233-244, 2014.
DOI : 10.1144/geochem2013-233

R. O. Bastos, F. L. Melquiades, and G. E. Biasi, Correction for the effect of soil moisture on in situ XRF analysis using low-energy background. X-Ray Spectrom, pp.304-307, 2012.

G. Bellenfant, A. G. Guezennec, F. Bodenan, P. D-'hugues, C. et al., Reprocessing of Mining waste: combining environmental management and metal recovery? in Mine Closure 2013, Australian Centre for Geomechanics, p.571, 2013.

M. B. Bernick and P. R. Campagna, Application of field-portable X-ray fluorescence spectrometers for field-screening air monitoring filters for metals, Journal of Hazardous Materials, vol.43, issue.1-2, pp.91-99, 1995.
DOI : 10.1016/0304-3894(95)00029-T

M. B. Bernick, D. Getty, G. Prince, and M. Sprenger, Statistical evaluation of fieldportable X-ray fluorescence soil preparation methods, Journal of Hazardous Materials, vol.43, pp.1-2, 1995.

M. B. Bernick, D. J. Kalnicky, G. Prince, and R. Singhvi, Results of field-portable Xray fluorescence analysis of metal contaminants in soil and sediment, Journal of Hazardous Materials, vol.43, pp.1-2, 1995.

B. N. Bero, V. Braun, M. C. Knowles, C. R. Hammel, and J. E. , The use of X-ray fluorescence to detect lead contamination of carpeted surfaces, Environmental Monitoring and Assessment, vol.27, issue.1, pp.17-33, 1993.
DOI : 10.1007/PL00020683

F. Bodenan, P. Baranger, P. Piantone, A. Lassin, M. Azaroual et al., Arsenic behaviour in gold-ore mill tailings, Massif Central, France: hydrogeochemical study and investigation of in situ redox signatures, Applied Geochemistry, vol.19, issue.11, pp.1785-1800, 2004.
DOI : 10.1016/j.apgeochem.2004.03.012

K. A. Boon, R. , and M. H. , Judging the fitness of on-site measurements by their uncertainty, including the contribution from sampling, Science of The Total Environment, vol.419, pp.196-207, 2012.
DOI : 10.1016/j.scitotenv.2011.12.001

R. Bosc and C. T. Barrie, Douvray porphyry copper deposit mineral resource estimate, Somine project, Northeast mineral district, Republic of Haiti, MAJESCOR Resources Inc. Retrieved on 07, 2013.

G. L. Bosco, Development and application of portable, hand-held X-ray fluorescence spectrometers, TrAC Trends in Analytical Chemistry, vol.45, pp.121-134, 2012.
DOI : 10.1016/j.trac.2013.01.006

A. Bourke and P. Ross, Portable X-ray fluorescence measurements on exploration drill-cores: comparing performance on unprepared cores and powders for ???whole-rock??? analysis, Geochemistry: Exploration, Environment, Analysis, vol.16, issue.2, pp.147-157, 2016.
DOI : 10.1144/geochem2014-326

R. J. Bowell, L. Egorova, D. Gurevick, V. Sedov, D. A. Holwell et al., Grass roots exploration in remote areas: An example from the Kuene region, Namibia. CIM Journal, vol.3, pp.33-46, 2012.

N. Brand and C. J. Brand, Performance comparison of portable XRF instruments, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.2, p.12, 2014.
DOI : 10.1144/geochem2012-172

N. Brand, Performance comparison of portable XRF instruments Geochemistry: Exploration, Environment, Analysis, pp.125-13810, 2014.

N. W. Brand and C. J. Brand, Finding a needle in a haystack: performance evaluation of portable XRF instruments from three manufacturers. 27th IAGS, 2015.

N. W. Brand and C. J. Brand, The portable XRF experience Application of Portable X- Ray Fluorescence in Exploration and Mining, short course, 2015.

N. W. Brand and C. J. Brand, Detecting The Undetectable Lithium By PXRF. Retrieved at https, 2016.

E. C. Brevik, C. Calzolari, B. A. Miller, P. Pereira, C. Kabala et al., Soil mapping, classification, and pedologic modeling: History and future directions, Geoderma, vol.264, pp.256-274, 2016.
DOI : 10.1016/j.geoderma.2015.05.017

R. Carr, C. Zhang, N. Moles, and M. Harder, Identification and mapping of heavy metal pollution in soils of a sports ground in Galway City, Ireland, using a portable XRF analyser and GIS, Environmental Geochemistry and Health, vol.142, issue.7, pp.45-52, 2008.
DOI : 10.1007/s10653-007-9106-0

Z. Chang and Z. Yang, EVALUATION OF INTER-INSTRUMENT VARIATIONS AMONG SHORT WAVELENGTH INFRARED (SWIR) DEVICES, Economic Geology, vol.107, issue.7, pp.1479-1488, 2012.
DOI : 10.2113/econgeo.107.7.1479

D. M. Crumbling, Using the Triad approach to improve the cost-effectiveness of hazardous waste site clean-ups. US-EPA report 542-R-01-016, 2001.

D. M. Crumbling, Applying the Concept of Effective Data to Environmental Analyses for Contaminated Sites USEPA report 542-R-01-013 Retrieved in 2012 from www.epa.gov Advanced Design Application and Data Analysis for Field-Portable XRF. Example of an XRF MIS Strategy, NEMC Conference, 2001.

C. Crume, The Business of Making a Lab Field-Portable. Environmental Testing and Analysis, 2000.

D. J. Discenza, A. R. Keimowitz, and N. Fitzgerald, Calibration and Evaluation of an X-Ray Fluorescence Method for the Determination of Lead and Arsenic in Soils, Journal of Environmental Analytical Chemistry, vol.01, issue.01, 2014.
DOI : 10.4172/2380-2391.1000103

S. L. Dixon, P. Mclaine, C. Kawecki, R. Maxfield, S. Duran et al., The effectiveness of low-cost soil treatments to reduce soil and dust lead hazards: The Lemiere_pXRF_JGE2, p.12, 2006.

P. L. Drake, N. J. Lawryk, K. Ashley, A. L. Sussell, K. J. Hazelwood et al., Evaluation of two portable lead-monitoring methods at mining sites, Journal of Hazardous Materials, vol.102, issue.1, pp.29-38, 2003.
DOI : 10.1016/S0304-3894(03)00200-0

J. Druzbicka, C. , and D. , Evolving metalloid signatures in waters draining from a mined orogenic gold deposit, New Zealand, Applied Geochemistry, vol.31, pp.251-264, 2013.
DOI : 10.1016/j.apgeochem.2013.01.011

P. Durance, S. M. Jowitt, and K. Bush, An assessment of portable X-ray fluorescence spectroscopy in mineral exploration, Kurnalpi Terrane, Eastern Goldfields Superterrane, Western Australia, Applied Earth Science, vol.123, issue.3, pp.150-163, 2014.
DOI : 10.1144/geochem2012-177

E. Ireland, Historic Mine Sites -Inventory and Risk Classification Volume 1. 170 p, accessed on, pp.1-84095, 2009.

K. H. Esbensen and C. Wagner, Theory of sampling (TOS) versus measurement uncertainty (MU) ??? A call for integration, TrAC Trends in Analytical Chemistry, vol.57, pp.93-106, 2014.
DOI : 10.1016/j.trac.2014.02.007

L. Fisher, M. F. Gazley, A. Baensch, S. J. Barnes, J. Cleverley et al., Resolution of geochemical and lithostratigraphic complexity: a workflow for application of portable X-ray fluorescence to mineral exploration, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.2, pp.14-149, 2014.
DOI : 10.1144/geochem2012-158

F. J. Fortes and J. J. Laserna, The development of fieldable laser-induced breakdown spectrometer: No limits on the horizon, Spectrochimica Acta Part B: Atomic Spectroscopy, vol.65, issue.12, pp.975-990, 2010.
DOI : 10.1016/j.sab.2010.11.009

E. Frahm and R. C. Doonan, The technological versus methodological revolution of portable XRF in archaeology, Journal of Archaeological Science, vol.40, issue.2, pp.1425-1434, 2013.
DOI : 10.1016/j.jas.2012.10.013

A. Ga?uszka, Z. M. Migaszewski, and J. Namie?nik, Moving your laboratories to the field ??? Advantages and limitations of the use of field portable instruments in environmental sample analysis, Environmental Research, vol.140, pp.593-603, 2015.
DOI : 10.1016/j.envres.2015.05.017

S. Garrigues and M. De-la-guardia, Non-invasive analysis of solid samples, TrAC Trends in Analytical Chemistry, vol.43, pp.161-173, 2013.
DOI : 10.1016/j.trac.2012.10.008

M. F. Gazley, J. K. Vry, E. Du-plessis, and M. R. Handler, Application of portable X-ray fluorescence analyses to metabasalt stratigraphy, Plutonic Gold Mine, Western Australia, Journal of Geochemical Exploration, vol.110, issue.2, pp.74-80, 2011.
DOI : 10.1016/j.gexplo.2011.03.002

M. F. Gazley and L. A. Fisher, A review of the reliability and validity of portable X-ray fluorescence spectrometry (pXRF) data. Mineral Resource and Ore Reserve Estimation?The AusIMM Guide to Good Practice, The Australasian Institute of Mining and Metallurgy Melbourne, pp.69-82, 2014.

M. F. Gazley, C. M. Tutt, L. A. Fisher, A. R. Latham, G. Duclaux et al., Objective geological logging using portable XRF geochemical multi-element data Lemiere_pXRF_JGE2, p.12, 2014.

L. Ge, W. Lai, Y. Lin, and S. Zhou, In situ applications of FPXRF techniques in mineral exploration, IAEA, pp.61-120, 2005.

L. Ge, W. Lai, and Y. Lin, Influence of and correction for moisture in rocks, soils and sediments onin situ XRF analysis, X-Ray Spectrometry, vol.23, issue.1, pp.28-34, 2005.
DOI : 10.1002/xrs.782

R. K. Glanzman and L. G. Closs, Field Portable X-Ray Fluorescence Geochemical Analysis ? Its Contribution to Onsite Real-time Project Evaluation, Proceedings of Exploration 07: Fifth Decennial International Conference on Mineral Exploration, pp.291-301, 2007.

B. González-corrochano, J. M. Esbrí, J. Alonso-azcárate, A. Martínez-coronado, V. Jurado et al., Environmental geochemistry of a highly polluted area: The La Union Pb???Zn mine (Castilla-La Mancha region, Spain), Journal of Geochemical Exploration, vol.144, pp.345-354, 2014.
DOI : 10.1016/j.gexplo.2014.02.014

G. Hall, A. Buchar, G. Bonham-carter, G. Page, L. Bonham-carter et al., Quality Control Assessment of Portable XRF Analysers: Development of Standard Operating Procedures, Performance on Variable Media and Recommended Uses Canadian Mining Industry Research Organization (Camiro) Exploration Division, Project 10E01 Phase I Report. https://www.appliedgeochemists.org/index.php/publications/other-publications/2- uncategorised/106-portable-xrf-for-the-exploration-and-mining-industry Hall Quality Control Assessment of Portable XRF Analysers: Development of Standard Operating Procedures, Performance on Variable Media and Recommended Uses. Phase II. Canadian Mining Industry Research Organization (Camiro) Exploration Division, Project 10E01 Phase I Report. https://www.appliedgeochemists.org/index.php/publications/other-publications/2- uncategorised/106-portable-xrf-for-the-exploration-and-mining-industry, Evaluation of portable X-ray fluorescence (pXRF) in exploration and mining: Phase 1, control reference materials, 2012.

R. S. Harmon, R. E. Russo, and R. R. Hark, Applications of laser-induced breakdown spectroscopy for geochemical and environmental analysis: A comprehensive review, Spectrochimica Acta Part B: Atomic Spectroscopy, vol.87, pp.11-26, 2013.
DOI : 10.1016/j.sab.2013.05.017

M. G. Healy, O. Fenton, P. J. Forrestal, M. Danaher, R. B. Brennan et al., Metal concentrations in lime stabilised, thermally dried and anaerobically digested sewage sludges, Waste Management, vol.48, pp.404-408, 2016.
DOI : 10.1016/j.wasman.2015.11.028

P. Higueras, R. Oyarzun, J. M. Iraizoz, S. Lorenz, J. M. Esbrí et al., Low-cost geochemical surveys for environmental studies in developing countries: Testing a field portable XRF instrument under quasi-realistic conditions, Journal of Geochemical Exploration, vol.113, pp.3-12, 2012.
DOI : 10.1016/j.gexplo.2011.02.005

D. M. Hoatson, S. Jaireth, L. Jaques, and A. , Nickel sulfide deposits in Australia: Characteristics, resources, and potential, Ore Geology Reviews, vol.29, issue.3-4, pp.3-4, 2006.
DOI : 10.1016/j.oregeorev.2006.05.002

M. C. Holding, B. Malone, U. Stockmann, B. Minasny, T. F. Bishop et al., Improved Field hXRF Analysis -The critical role of representative training set selection (geology), spectral acquisition (sensor sampling), proper calibration/validation (chemometrics) Bachelor project in Geology-Geoscience, Univ. Copenhagen, 110 p. Retrieved on 2017-02-21 from https Potential of integrated field spectroscopy and spatial analysis for enhanced assessment of soil contamination: A prospective review, Geoderma, vol.241242, pp.180-209, 2014.

T. Houlahan, S. Ramsay, and D. Povey, Use of Field Portable X-Ray Fluorescence Spectrum Analyzers for Grade Control ? A Presentation of Case Studies, 5th International Mine Geology Conference. Australasian Institute of Metallurgy, pp.377-385, 2003.

K. Hürkamp, T. Raab, and J. Völkel, Two and three-dimensional quantification of lead contamination in alluvial soils of a historic mining area using field portable X-ray fluorescence (pXRF) analysis. Geomorphology, pp.28-36, 2009.

M. Jang, Application of portable X-ray fluorescence (pXRF) for heavy metal analysis of soils in crop fields near abandoned mine sites, Environmental Geochemistry and Health, vol.422, issue.4???12, pp.207-216, 2010.
DOI : 10.1016/S0168-9002(98)01000-6

J. An, K. Kim, H. Yoon, and J. Seo, Application of the wavelength dispersive X-ray fluorescence technique to determine soil fluorine with consideration of iron content in the matrix, Spectrochimica Acta Part B: Atomic Spectroscopy, vol.69, pp.38-43, 2012.
DOI : 10.1016/j.sab.2012.02.006

M. C. Jones, O. Williams-thorpe, P. J. Potts, W. , and P. C. , Using Field-Portable XRF to Assess Geochemical Variations Within and Between Dolerite Outcrops of Preseli, South Wales, Geostandards and Geoanalytical Research, vol.25, issue.3, pp.251-269, 2005.
DOI : 10.1006/jasc.1998.0323

D. J. Kalnicky and R. Singhvi, Field portable XRF analysis of environmental samples, Journal of Hazardous Materials, vol.83, issue.1-2, pp.93-122, 2001.
DOI : 10.1016/S0304-3894(00)00330-7

T. C. Kenna, F. O. Nitsche, M. M. Herron, B. J. Mailloux, D. Peteet et al., Evaluation and calibration of a Field Portable X-Ray Fluorescence spectrometer for quantitative analysis of siliciclastic soils and sediments, J. Anal. At. Spectrom., vol.174, issue.3, pp.395-405, 2011.
DOI : 10.1097/SS.0b013e31819c6e1b

Y. Kido, T. Koshikawa, and R. Tada, Rapid and quantitative major element analysis method for wet fine-grained sediments using an XRF microscanner, Marine Geology, vol.229, issue.3-4, pp.209-225, 2006.
DOI : 10.1016/j.margeo.2006.03.002

C. Kilbride, J. Poole, and T. R. Hutchings, A comparison of Cu, Pb, As, Cd, Zn, Fe, Ni and Mn determined by acid extraction/ICP???OES and ex situ field portable X-ray fluorescence analyses, Environmental Pollution, vol.143, issue.1, pp.16-23, 2006.
DOI : 10.1016/j.envpol.2005.11.013

V. J. Kirtay, J. H. Kellum, and S. E. Apitz, Field-portable X-ray Fluorescence Spectrometry for metals in marine sediments: Results from multiple sites, Water Science and Technology, vol.37, pp.6-7, 1998.

I. Knésl, T. Jandová, P. Rambousek, and K. Breiter, Calibration of Portable XRF Spectrometer in Sn-W Ore-Bearing Granites: Application in the Cínovec Deposit, 2015.

M. M. Konstantinov and S. F. Strujkov, Application of indicator halos (signs of ore remobilization) in exploration for blind gold and silver deposits, Journal of Geochemical Exploration, vol.54, issue.1, pp.1-17, 1995.
DOI : 10.1016/0375-6742(95)00003-8

E. Kovács, W. E. Dubbin, and J. Tama´s, Influence of hydrology on heavy metal speciation and mobility in a Pb???Zn mine tailing, Environmental Pollution, vol.141, issue.2, pp.310-320, 2006.
DOI : 10.1016/j.envpol.2005.08.043

C. A. Kuharic, W. H. Cole, A. K. Singh, and D. Gonzales, An X-Ray Fluorescence Survey of Lead Contaminated Residential Soils in Leadville, 1993.

K. Kuhn, J. A. Meima, D. Rammlmair, and C. Ohlendorf, Chemical mapping of mine waste drill cores with laser-induced breakdown spectroscopy (LIBS) and energy dispersive X-ray fluorescence (EDXRF) for mineral resource exploration, Journal of Geochemical Exploration, vol.161, pp.72-84, 2016.
DOI : 10.1016/j.gexplo.2015.11.005

V. Laperche and V. Hammade, Diagnostic rapide sur site -Utilisation de méthodes d'évaluation de la teneur en métaux de sols pollués par mesure de leur susceptibilité magnétique et par fluorescence X, 2002.

C. J. Lawley, B. Dubé, P. Mercier-langevin, B. Kjarsgaard, R. Knight et al., Defining and mapping hydrothermal footprints at the BIF-hosted Meliadine gold district, Nunavut, Canada, Journal of Geochemical Exploration, vol.155, pp.33-55, 2015.
DOI : 10.1016/j.gexplo.2015.04.001

L. Vaillant, M. Barnes, S. J. Fisher, L. Fiorentini, M. L. Caruso et al., Use and calibration of portable X-Ray fluorescence analysers: application to lithogeochemical exploration for komatiite-hosted nickel sulphide deposits, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.3, pp.199-209, 2014.
DOI : 10.1144/geochem2012-166

L. Vaillant, M. Barnes, S. J. Fiorentini, M. L. Santaguida, F. Törmänen et al., Effects of hydrous alteration on the distribution of base metals and platinum group elements within the Kevitsa magmatic nickel sulphide deposit, Ore Geology Reviews, vol.72, pp.128-148, 2016.
DOI : 10.1016/j.oregeorev.2015.06.002

B. Lemiere, V. Laperche, L. Haouche, and P. Auger, Portable XRF and wet materials: application to dredged contaminated sediments from waterways, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.3, pp.257-264, 2014.
DOI : 10.1144/geochem2012-179

URL : https://hal.archives-ouvertes.fr/hal-00872341

B. Lemiere, Field Analytical Techniques for Geochemical Surveys Keynote conference, 27th International Applied Geochemistry Symposium, p.12, 2015.

B. Lesnik and D. Crumbling, Guidelines for Preparing SAPs Using Systematic Planning and PBMS. Environmental Testing and Analysis, 2001.

A. Liakopoulos, B. Lemiere, C. Michael, C. Crouzet, V. Laperche et al., Environmental impacts of unmanaged solid waste at a former base metal mining and ore processing site (Kirki, Greece), Waste Management & Research, vol.48, issue.55029, pp.11-996, 2010.
DOI : 10.1144/1467-7873/09-191

URL : https://hal.archives-ouvertes.fr/hal-00553648

B. J. Mcdonald, C. W. Unsell, W. T. Elam, K. R. Hudson, and J. W. Adams, A cone penetrometer X-ray fluorescence tool for the analysis of subsurface heavy metal contamination. Nuclear Instruments and Methods in Physics Research, pp.805-808, 1999.

H. Malissa and W. Riepe, Statistical evaluation of uncertainty for rapid tests with discrete readings ? examination of wastes and soils Measurement Uncertainty in Chemical Analysis, pp.207-210, 2000.

A. F. Marsala, T. Loermans, S. Shen, C. Scheibe, and R. Zereik, Portable energydispersive X-ray fluorescence integrates mineralogy and chemostratigraphy into real-time formation evaluation, Petrophysics, vol.53, pp.102-109, 2012.

A. Markowicz, Quantification and Correction Procedures (eds) Portable X-ray fluorescence spectrometry ? capabilities for in situ analysis, pp.13-38, 2008.

F. L. Melquiades and C. R. Appoloni, Application of XRF and field portable XRF for environmental analysis, Journal of Radioanalytical and Nuclear Chemistry, vol.262, issue.2, pp.533-541, 2004.
DOI : 10.1023/B:JRNC.0000046792.52385.b2

F. L. Melquiades, P. S. Parreira, C. R. Appoloni, W. D. Silva, and F. Lopes, Quantification of metals in river water using a portable EDXRFsystem, Applied Radiation and Isotopes, vol.69, issue.2, pp.327-333, 2011.
DOI : 10.1016/j.apradiso.2010.09.021

D. Meza-figueroa, R. M. Maier, M. De-la-o-villanueva, A. Gómez-alvarez, A. Moreno-zazueta et al., The impact of unconfined mine tailings in residential areas from a mining town in a semi-arid environment: Nacozari, Sonora, Mexico, Chemosphere, vol.77, issue.1, pp.140-147, 2009.
DOI : 10.1016/j.chemosphere.2009.04.068

K. Newlander, N. Goodale, G. T. Jones, and D. G. Bailey, Empirical study of the effect of count time on the precision and accuracy of pXRF data, Journal of Archaeological Science: Reports, vol.3, pp.534-548, 2015.
DOI : 10.1016/j.jasrep.2015.07.007

A. K. Parbhakar-fox, M. Edraki, K. Hardie, O. Kadletz, and T. Hall, Identification of acid rock drainage sources through mesotextural classification at abandoned mines of, 2014.

A. Croydon, Implications for the rehabilitation of waste rock repositories, Journal of Geochemical Exploration, vol.137, pp.11-28

C. Parsons, E. Margui-grabulosa, E. Pilic, G. H. Floor, G. Roman-ross et al., Quantification of trace arsenic in soils by field-portable X-ray fluorescence Lemiere_pXRF_JGE2, p.12, 2013.

G. Partington, Developing models using GIS to assess geological and economic risk: An example from VMS copper gold mineral exploration in Oman, Ore Geology Reviews, vol.38, issue.3, pp.197-207, 2010.
DOI : 10.1016/j.oregeorev.2010.02.002

L. Paulette, T. Man, D. C. Weindorf, and T. Person, Rapid assessment of soil and contaminant variability via portable x-ray fluorescence spectroscopy, 2015.

F. M. Peinado, S. Morales-ruano, M. G. Bagur-gonzález, E. Molina, and C. , A rapid field procedure for screening trace elements in polluted soil using portable X-ray fluorescence (PXRF), Geoderma, vol.159, issue.1-2, pp.76-82, 2010.
DOI : 10.1016/j.geoderma.2010.06.019

S. Piorek, Modern, PC based, high resolution portable EDXRF analyzer offers laboratory performance for field, in-situ analysis of environmental contaminants. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 353, pp.1-3, 1994.

S. Piorek, Principles and applications of man-portable X-ray fluorescence spectrometry, TrAC Trends in Analytical Chemistry, vol.13, issue.7, pp.281-286, 1994.
DOI : 10.1016/0165-9936(94)87065-9

P. J. Potts, P. C. Webb, O. Williams-thorpe, and R. Kilworth, Analysis of silicate rocks using field-portable X-ray fluorescence instrumentation incorporating a mercury(II) iodide detector: a preliminary assessment of analytical performance, The Analyst, vol.120, issue.5, pp.1273-1278, 1995.
DOI : 10.1039/an9952001273

P. J. Potts, J. F. Bowles, S. J. Reed, and M. R. Cave, Microprobe Techniques in Earth Sciences, 1995.
DOI : 10.1007/978-1-4615-2053-5

P. J. Potts, O. Williams-thorpe, and P. C. Webb, The Bulk Analysis of Silicate Rocks by Portable X-Ray Fluorescence: Effect of Sample Mineralogy in Relation to the Size of the Excited Volume, Geostandards and Geoanalytical Research, vol.14, issue.1, pp.29-41, 1997.
DOI : 10.1007/978-94-015-3988-3

P. J. Potts, A. T. Ellis, P. Kregsamer, J. Marshall, C. Streli et al., Atomic spectrometry update. X-ray fluorescence spectrometry, Journal of Analytical Atomic Spectrometry, vol.18, issue.10, pp.1297-1316, 2003.
DOI : 10.1039/b309420k

P. J. Potts, F. Bernardini, M. C. Jones, O. Williams-thorpe, and P. C. Webb, Effects of weathering onin situ portable X-ray fluorescence analyses of geological outcrops: dolerite and rhyolite outcrops from the Preseli Mountains, South Wales, X-Ray Spectrometry, vol.146, issue.1, pp.8-18, 2006.
DOI : 10.1017/S0079497X00004527

P. J. Potts and M. West, Portable X-ray Fluorescence Spectrometry: Capabilities for In Situ Analysis, 2008.
DOI : 10.1039/9781847558640

G. Puckett and K. Takasaki, Use of Field Portable X-Ray Fluorescence (FP-XRF) and the Triad Approach To Investigate the Extent of Lead Contamination at a Small Arms Training Range, 2004.

T. Quiniou and V. Laperche, An assessment of field-portable X-ray fluorescence analysis for nickel and iron in laterite ore (New Caledonia) Geochemistry: Exploration, Environment, Analysis Online First, pp.2012-159, 2014.

G. A. Raab, R. E. Enwall, W. H. Cole, C. A. Kuharic, and J. S. Duggan, Fast Analysis of Heavy Metals in Contaminated Soils Using Field-Portable X-Ray Fluorescence Technology and Geostatistics, Chemistry for the Protection of the Environment, 1991.
DOI : 10.1007/978-1-4615-3282-8_12

T. Radu and . Diamond, Comparison of soil pollution concentrations determined using AAS and portable XRF techniques, Journal of Hazardous Materials, vol.171, issue.1-3, pp.1168-1171, 2009.
DOI : 10.1016/j.jhazmat.2009.06.062

M. H. Ramsey and A. Argyraki, Estimation of measurement uncertainty from field sampling: implications for the classification of contaminated land, Science of The Total Environment, vol.198, issue.3, pp.243-257, 1997.
DOI : 10.1016/S0048-9697(97)05456-9

M. H. Ramsey, Sampling the Environment: Twelve Key Questions That Need Answers, Geostandards and Geoanalytical Research, vol.62, issue.2, pp.251-261, 2004.
DOI : 10.1039/an9962100275

M. H. Ramsey and S. L. Ellison, Eurachem ? EUROLAB ? CITAC ? Nordtest ?AMC Guide: measurement uncertainty arising from sampling: a guide to methods and approaches. Retrieved from http, 2007.

M. H. Ramsey and K. A. Boon, New Approach to Geochemical Measurement: Estimation of Measurement Uncertainty from Sampling, rather than an Assumption of Representative Sampling, Geostandards and Geoanalytical Research, vol.127, issue.3, pp.293-304, 2010.
DOI : 10.1007/978-1-4613-0697-9

M. H. Ramsey and K. A. Boon, Can in situ geochemical measurements be more fit-for-purpose than those made ex situ?, Applied Geochemistry, vol.27, issue.5, pp.969-976, 2012.
DOI : 10.1016/j.apgeochem.2011.05.022

M. H. Ramsey, G. Solomon-wisdom, and . A. Argyraki, Heterogeneity of Elements in Solids: Implications for Analytical Geochemistry, Geostandards and Geoanalytical Research, vol.12, issue.4, pp.379-391, 2013.
DOI : 10.1016/S0883-2927(96)00055-8

J. Ran, D. Wang, C. Wang, G. Zhang, and L. Yao, Using portable X-ray fluorescence spectrometry and GIS to assess environmental risk and identify sources of trace metals in soils of peri-urban areas in the Yangtze Delta region, China, Environmental Science: Processes & Impacts, vol.39, issue.8, pp.1870-1877, 2014.
DOI : 10.1007/s002549900081

J. E. Rathbun, L. L. Huellmantel, M. Tracy, E. Smith, and K. Ahlgren, Rapid Sediment Assessment: Indicator Analysis and Screening Analysis Approaches, Journal of Great Lakes Research, vol.22, issue.3, pp.523-533, 1996.
DOI : 10.1016/S0380-1330(96)70977-2

S. Reidinger, M. H. Ramsey, H. , and S. E. , Rapid and accurate analyses of silicon and phosphorus in plants using a portable X-ray fluorescence spectrometer, New Phytologist, vol.305, issue.3, pp.699-706, 2012.
DOI : 10.1126/science.1098778

J. R. Rhodes, R. , and P. , Application of a microprocessor-based portable XRF analyzer in minerals analysis, The International Journal of Applied Radiation and Isotopes, vol.34, issue.1, pp.333-343, 1983.
DOI : 10.1016/0020-708X(83)90134-5

M. Ridings, A. J. Shorter, and J. Bawden-smith, Strategies for the investigation of contaminated sites using field portable x???ray fluorescence (FPXRF) techniques, Communications in Soil Science and Plant Analysis, vol.1, issue.11-14, pp.11-14, 2000.
DOI : 10.1039/a700746i

J. Robbat and A. , Dynamic Workplans and Field Analytics: The Keys to Cost-effective Site Investigations, 1997.

P. Ross, A. Bourke, and B. Fresia, Improving lithological discrimination in exploration drill-cores using portable X-ray fluorescence measurements: (1) testing three Olympus Innov-X analysers on unprepared cores, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.2, pp.2012-163, 1144.
DOI : 10.1144/geochem2012-163

P. Ross, A. Bourke, and B. Fresia, Improving lithological discrimination in exploration drill-cores using portable X-ray fluorescence measurements, ) applications to the Zn-Cu Matagami mining camp, Canada. Geochemistry: Exploration, pp.2012-164, 1144.

M. Rouillon and M. P. Taylor, Can field portable X-ray fluorescence (pXRF) produce high quality data for application in environmental contamination research? Environmental Pollution, pp.255-264, 2016.

M. Rouillon, M. P. Taylor, and C. Dong, Reducing risk and increasing confidence of decision making at a lower cost: In-situ pXRF assessment of metal-contaminated sites., Environmental Pollution, vol.229, 2017.
DOI : 10.1016/j.envpol.2017.06.020

H. Rowe, N. Hughes, R. , and K. , The quantification and application of handheld energy-dispersive x-ray fluorescence (ED-XRF) in mudrock chemostratigraphy and geochemistry, Chemical Geology, vol.324, issue.325, pp.324-325122, 2012.
DOI : 10.1016/j.chemgeo.2011.12.023

D. Sacristán, R. A. Viscarra-rossel, R. , and L. , Proximal sensing of Cu in soil and lettuce using portable X-ray fluorescence spectrometry, Geoderma, vol.265, pp.6-11, 2016.
DOI : 10.1016/j.geoderma.2015.11.008

P. Sarala, New advances in geochemical exploration in glaciated terrain ? examples from northern Finland, Proceedings of the 24th International Applied Geochemistry Symposium, pp.565-567, 2009.

P. Sarala and M. Mäkikyrö, Mobile XRF methods in mineral exploration in glaciated terrain ? examples from northern Finland, 34th International Geology Congress Optical disc (CD-ROM), pp.5-10, 2012.

P. Sarala, A. Taivalkoski, and J. Valkama, Portable XRF ? Advanced on-site analysis method in till geochemical exploration, Geological Survey of Finland, Special Paper, vol.57, pp.63-86, 2015.

P. Sarala and T. Houlahan, Portable XRF for mineral exploration geochemistry in till, Applied Earth Science (Trans. Inst. Min. Metall. B), vol.124, pp.1-53, 2015.

P. Sarala, Comparison of different portable XRF methods for determining till geochemistry, Geochemistry: Exploration, Environment, Analysis, vol.16, issue.3-4, pp.181-192, 2016.
DOI : 10.1144/geochem2012-162

R. Schuck, D. Gevalt, J. Mullen, C. Menzie, and K. Fogarty, Risk-based remediation of lead and chromium impacted sediments in Lake Waban, a case study. 2nd International Symposium on Contaminated Sediments Case Histories, pp.286-291, 2003.

A. Sharma, D. C. Weindorf, T. Man, A. A. Aldabaa, and S. Chakraborty, Characterizing soils via portable X-ray fluorescence spectrometer: 3. Soil reaction (pH), Geoderma, vol.232, issue.234, pp.141-147, 2014.
DOI : 10.1016/j.geoderma.2014.05.005

A. Sharma, D. C. Weindorf, D. Wang, and S. Chakraborty, Characterizing soils via portable X-ray fluorescence spectrometer: 4. Cation exchange capacity (CEC), Geoderma, vol.239, issue.240, pp.130-134, 2015.
DOI : 10.1016/j.geoderma.2014.10.001

S. Shefsky, Lead in Soil Analysis Using the NITON XL International Symposium on Field Screening Methods for Hazardous Wastes and Toxic Chemicals (A&WMA VIP-47), pp.22-24, 1995.

S. Shefsky, Comparing Field Portable X-Ray Fluorescence (XRF) To Laboratory Analysis Of Heavy Metals In Soil International Symposium of Field Screening Methods for Hazardous Wastes and Toxic Chemicals, 1997.

G. J. Simandl, . Fajber, . Prussin, S. Paradis, and K. Grattan, Use of Portable XRF in evaluation of REE-bearing Phosphate Deposits, pp.2012-2013, 2012.

G. J. Simandl, R. Fajber, and S. Paradis, Portable X-ray fluorescence in the assessment of rare earth element-enriched sedimentary phosphate deposits, Geochemistry: Exploration, Environment, Analysis, vol.14, issue.2, pp.211-221, 2014.
DOI : 10.1144/geochem2012-180

M. O. Stallard, S. E. Apitz, and C. A. Dooley, X-ray fluorescence spectrometry for field analysis of metals in marine sediments, Marine Pollution Bulletin, vol.31, issue.4-12, pp.4-12297, 1995.
DOI : 10.1016/0025-326X(95)00147-F

A. E. Steiner, R. M. Conrey, and J. A. Wolff, pXRF calibrations for volcanic rocks and the application of infield analysis to the geosciences, Chemical Geology, 2017.

U. Stockmann, S. R. Cattle, B. Minasny, and A. B. Mcbratney, Utilizing portable X-ray fluorescence spectrometry for in-field investigation of pedogenesis, CATENA, vol.139, pp.220-231, 2016.
DOI : 10.1016/j.catena.2016.01.007

P. Stoker, M. J. Berry, and E. Kovács, Australian Institute of Geoscientists Friday Seminar Series, Brisbane. https://www.aig.org Vegetation Pattern and Heavy Metal Accumulation at a Mine Tailing at Gyöngyösoroszi, Hungary, Z. Naturforsch, vol.60, issue.11, pp.362-367, 2005.

K. Takasaki, E. Pitre, and . Iii, Use of Field Portable X-ray Fluorescence (FPXRF) and the Triad Approach To Remediate Lead Contamination at a Small Arms Training Range Fort Lewis, WA. Triad Profile retrieved on 2014, 2006.

V. Thomsen and D. Schatzlein, Advances in Field-Portable XRF, Spectroscopy, vol.17, issue.7, pp.14-18, 2002.

M. Ussath, M. Grimmer, N. Hoth, and J. And-alcalde, Hand-held X-ray fluorescence (hXRF) measurements as a useful tool in the environmental and mining sector ? Comparative measurements and effects of water content Retrieved on, IMWA 2017 conference, Mine Water and Circular Economy, 2017.

M. Valcarcel, S. Cardenas, and M. Gallego, Sample screening systems in analytical chemistry, TrAC Trends in Analytical Chemistry, vol.18, issue.11, pp.685-694, 1999.
DOI : 10.1016/S0165-9936(99)00167-3

R. Van-grieken, K. Janssens, P. Van-espen, J. Injuk, V. Padilla et al., Novel quantitative procedures for in situ X-ray fluorescence analysis, pp.45-60, 2005.

R. J. Vancott, B. J. Mcdonald, and A. G. Seelos, Standard soil sample preparation error and comparison of portable XRF to laboratory AA analytical results. Nuclear Instruments and Methods in Physics Research, pp.801-804, 1999.

D. Wang, S. Chakraborty, D. C. Weindorf, B. Li, A. Sharma et al., Synthesized use of VisNIR DRS and PXRF for soil characterization: Total carbon and total nitrogen, Geoderma, vol.243, issue.244, pp.157-167, 2015.
DOI : 10.1016/j.geoderma.2014.12.011

D. C. Weindorf, Y. Zhu, S. Chakraborty, N. Bakr, and B. Huang, Use of portable X-ray fluorescence spectrometry for environmental quality assessment of peri-urban agriculture, Environmental Monitoring and Assessment, vol.17, issue.1, pp.217-227, 2012.
DOI : 10.1016/S1002-0160(07)60006-X

D. C. Weindorf, Y. Zhu, P. Mcdaniel, M. Valerio, L. Lynn et al., Characterizing soils via portable x-ray fluorescence spectrometer: 2. Spodic and Albic horizons, Geoderma, vol.189, issue.190, pp.268-277, 2012.
DOI : 10.1016/j.geoderma.2012.06.034

D. C. Weindorf, Y. Zhu, B. Haggard, J. Lofton, S. Chakraborty et al., Enhanced Pedon Horizonation Using Portable X-ray Fluorescence Spectrometry, Soil Science Society of America Journal, vol.76, issue.2, pp.522-531, 2012.
DOI : 10.2136/sssaj2011.0174

D. C. Weindorf, N. Bakr, and Y. Zhu, Advances in Portable X-ray Fluorescence (PXRF) for Environmental, Pedological, and Agronomic Applications. X-Ray Spectrom, pp.304-307, 2012.

D. C. Weindorf, L. Paulette, and T. Manc, In-situ assessment of metal contamination via portable X-ray fluorescence spectroscopy: Zlatna, Romania, Environmental Pollution, vol.182, pp.92-100, 2013.
DOI : 10.1016/j.envpol.2013.07.008

M. West, A. T. Ellis, P. J. Potts, C. Streli, C. Vanhoof et al., 2013 Atomic spectrometry update???A review of advances in X-ray fluorescence spectrometry, Journal of Analytical Atomic Spectrometry, vol.27, issue.10, pp.1544-1590, 2013.
DOI : 10.1039/c2ja30179b

M. Wiedenbeck, Field-portable XRF: A geochemist's dream? Elements, 2013.

J. P. Willis, XRFS and PIXE: Are they complementary or competitive techniques?: A critical comparison. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with, Materials and Atoms, vol.35, pp.3-4, 1988.

R. D. Wis and . Ed, Particle induced X-ray emission and its analytical applications, Nuclear Instrum. Methods Phys. Res, p.49, 1989.

R. Y. Woo, Development and characterization of a novel compact x-ray source. Master's thesis, Texas A&M University Available electronically from: http://hdl.handle.net, 1969.

K. E. Young, C. A. Evans, K. V. Hodges, J. E. Bleacher, and T. G. Graff, A review of the handheld X-ray fluorescence spectrometer as a tool for field geologic investigations on Earth and in planetary surface exploration, Applied Geochemistry, vol.72, pp.77-87, 2016.
DOI : 10.1016/j.apgeochem.2016.07.003

G. Yuan, T. Sun, P. Han, J. Li, L. et al., Source identification and ecological risk assessment of heavy metals in topsoil using environmental geochemical mapping: Typical urban renewal area in Beijing, China, Journal of Geochemical Exploration, vol.136, pp.40-47, 2014.
DOI : 10.1016/j.gexplo.2013.10.002

Z. Yuan, Q. Cheng, Q. Xia, L. Yao, Z. Chen et al., Spatial patterns of geochemical elements measured on rock surfaces by portable X-ray fluorescence: application to hand specimens and rock outcrops. Geochemistry: Exploration, Environment, pp.265-276, 2014.

W. Zhang, D. R. Lentz, and B. E. Charnley, Petrogeochemical assessment of rock units and identification of alteration/mineralization indicators using portable X-ray fluorescence measurements: Applications to the Fire Tower Zone (W-Mo-Bi) and the North Zone (Sn-Zn-In), Mount Pleasant deposit, New Brunswick, Canada, Journal of Geochemical Exploration, vol.177, pp.61-72, 2017.
DOI : 10.1016/j.gexplo.2017.02.005

Y. Zhu, D. C. Weindorf, and W. Zhang, Characterizing soils using a portable X-ray fluorescence spectrometer: 1. Soil texture, Geoderma, vol.167, issue.168, pp.167-177, 2011.
DOI : 10.1016/j.geoderma.2011.08.010

F. J. Zurfluh, B. A. Hofmann, E. Gnos, and U. Eggenberger, Evaluation of the utility of handheld XRF in meteoritics. X-Ray Spectrom, pp.449-463, 2011.