G. D. Acton and W. A. Kettles, Geologic and palaeomagnetic constraints on the formation of weathered profiles near Inverell, vol.126, pp.211-225, 1996.

R. A. Berner and Z. Kothavala, GEOCARB III: A revised model of atmospheric CO 2 over Phanerozoic time, Am. J. Sci, vol.3001, pp.182-204, 2001.

J. Besse and V. Courtillot, Apparent and true polar wander and the geometry of the geomagnetic field over the last 200 Myr, J. Geophys. Res, vol.107, issue.B11, p.2300, 2002.

J. Besse and V. Courtillot, Apparent true polar wander and the geometry of the geomagnetic field over the last 200 Myr: Correction, J. Geophys. Res, vol.108, issue.B10, p.2469, 2003.

M. C. Boulanger, Statistique Géologique et Minéralurgique du Département de l'Allier, 482 pp, 1844.

R. Brewer, Fabric and Mineral Analysis in Soils, vol.470, 1964.

P. Cantinolle, P. Didier, J. D. Meunier, C. Parron, J. L. Guendon et al., Kaolinites ferrifères et oxyhydroxydes de fer et d'alumine dans les bauxites des Canonnettes, vol.19, pp.125-135, 1984.

J. P. Cogné, PaleoMac: a Macintosh? application for treating paleomagnetic data and making plate reconstructions, Geochem. Geophys. Geosyst, vol.4, issue.1, p.1007, 2003.

C. W. Correns and W. Engelhardt, Röntgenographische Untersuschungen über den Mineralbestand sedimentärer Eisenerze, Nachr. Akad. Wiss. Goettingen, vol.213, pp.131-137, 1941.

L. De-launay, Etude sur le plateau central. I. La Vallée du Cher dans la région de Montluçon, Bull. Serv. Carte Geol. Fr, vol.30, pp.289-328

M. Deschamps, Etude géologique du sidérolithique du, 1973.

J. L. Dormann, D. Fiorani, and E. Tronc, Magnetic relaxation in fine-particle systems, Adv. Chem. Phys, vol.98, pp.283-494, 1997.

D. J. Dunlop and Ö. Özdemir, Rock Magnetism: Fundamentals and Frontiers, 573 pp, 1997.

V. Eschenbrenner, Contribution des termites à la micro-agrégation des sols tropicaux, Cah. ORSTOM, Ser. Pedol, vol.22, issue.4, pp.397-408, 1986.

V. Eschenbrenner, Les glébules des sols de Côte d'Ivoire: Nature et origine en milieu ferrallitique, modalités de leur concentration, 1988.

R. A. Fisher, Dispersion on a sphere, Philos. Trans. R. Soc. London, Ser. A, vol.217, p.pp, 1953.

R. W. Fitzpatrick and U. Schwertmann, Al-substituted goethite: An indicator of pedogenetic and other weathering environments in South Africa, Geoderma, vol.27, pp.335-347, 1982.

A. U. Gehring, P. Keller, and F. Heller, Magnetic evidence for the origin of lateritic duricrusts in southern Mali (western Africa), Palaeogeogr, Palaeoclimatol. Palaeoecol, vol.95, pp.33-40, 1992.

J. F. Genise and T. M. Bown, New trace fossils of termites (Insecta: Isoptera) from the late Eocene-early Miocene of Egypt, and the reconstruction of the ancient isopteran social behavior, Ichnos, vol.3, pp.155-183, 1994.

S. T. Hasiotis, Complex ichnofossils of solitary and social soil organisms: Understanding their evolution and roles in terrestrial paleoecosystems, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.192, pp.259-320, 2003.

M. Idnurm and P. W. Schmidt, Paleomagnetic dating of weathering profiles, Geol. Surv. India Mem, vol.120, pp.79-88, 1986.

J. L. Kirschvink, The least-squares line and plane and the analysis of paleomagnetic data, Geophys. J. R. Astron. Soc, vol.62, pp.699-718, 1980.

B. A. Maher, Characterization of sols by mineral magnetic measurements, Phys. Earth Planet. Inter, vol.42, pp.76-92, 1986.

L. D. Martin, The recognition and use of dermestid (Insecta, Coleoptera) pupation chambers in paleoecology, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.113, pp.303-310, 1995.

P. E. Mathé, Application du paléomagnétisme et du magnétisme des roches à l'étude des processus d'altération supergène, doctorate thesis, Univ.'Aix-Marseille, vol.210, 1996.

P. L. Mcfadden, Rejection of paleomagnetic observations, Earth Planet. Sci. Lett, vol.61, issue.2, pp.392-395, 1982.

P. L. Mcfadden and M. W. Mcelhinny, The combined analysis of remagnetization circles and direct observation in palaeomagnetism, Earth Planet. Sci. Lett, vol.87, pp.161-172, 1988.

C. C. Muggler, J. J. Van-loef, P. Buurman, and J. D. Van-doesburg, Mineralogical and (sub)microscopic aspects of iron oxides in polygenetic Oxysols form Minas Gerais, Brazil, Geoderma, vol.100, issue.1-2, pp.147-171, 2001.

C. E. Mullins, Magnetic susceptibility of the soils and its significance in sol science: A review, J. Soil Sci, vol.28, pp.223-246, 1977.

D. Nahon, C. Janot, A. M. Karpoff, H. Paquet, and Y. Tardy, Mineralogy, petrology, and structures of iron crusts (ferricretes) developed on sandstones in the western part of Senegal, Geoderma, vol.19, pp.263-277, 1977.

M. L. Néel, Théorie du trainage magnétique des ferromagnétiques en grains fins avec applications aux terres cuites, Ann. Geophys, vol.5, issue.2, pp.99-136, 1949.

K. Norrish and R. M. Taylor, The isomorphous replacement of iron by aluminium in soil goethites, J. Soil Sci, vol.12, issue.2, pp.294-306, 1961.

J. F. Nott, M. Idnurm, and R. W. Young, Sedimentology, weathering, age, and geomorphological significance of Tertiary sediments on the far coast of New South Wales, Aust. J. Earth Sci, vol.38, pp.357-373, 1991.

V. Rayot, Altérations du centre de l'Australie: Rôle des solutions salines dans la genèse des silcrètes et des profils blanchis, Mem. Sci. Terre, vol.142, p.22, 1994.

C. Ricordel, Datations par paléomagnétisme des paléoaltérations du Massif central et de ses bordures: Implications géodynamiques, 2007.

P. W. Schmidt and B. J. Embleton, Paleomagnetic results from sediments of the Perth Basin, Western Australia, and their bearing on the timing of regional lateritization, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.19, pp.257-273, 1976.

P. W. Schmidt and C. D. Ollier, Palaeomagnetic dating of late Cretaceous to early Tertiary weathering in, vol.25, pp.363-371, 1988.

P. W. Schmidt, V. Prasad, and P. K. Ramam, Magnetic ages of some Indian laterites, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.44, pp.185-202, 1983.

J. Schmitt, Weathering, rainwater and atmosphere chemistry: Example and modeling of granite weathering in present conditions in a CO 2 -rich, and in an anoxic paleoatmosphere, Palaeoweathering, Palaeosurfaces and Related Continental Deposits, vol.27, pp.21-41, 1999.

U. Schwertmann, Goethite and haematite formation in the presence of clay mineral and gibbsite at 25°C, Soil Sci. Soc. Am. J, vol.52, pp.288-291, 1988.

L. Tauxe, T. A. Mullender, and T. Pick, Potbellies, wasp-waists, and superparamagnetism in magnetic hysteresis, J. Geophys. Res, vol.101, pp.571-583, 1996.

H. Théveniaut and P. Freyssinet, Paleomagnetism applied to lateritic profiles to assess saprolite and duricrust formation processes: The example of the Mont Baduel profile, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.148, pp.209-231, 1999.

H. Théveniaut, F. Quesnel, R. Wyns, and G. Hugues, Paleomagnetic dating of the "Borne de Fer" ferricrete (NE France): Lower Cretaceous continental weathering, Palaeogeogr. Palaeoclimatol. Palaeoecol, vol.253, pp.271-279, 2007.

M. Thiry and A. R. Milnes, Pedogenic and groundwater silcretes at Stuart Creek Opal Field, South Australia, J. Sediment. Petrol, vol.61, issue.1, pp.111-127, 1989.

M. Thiry and M. Turland, Paléoséquences de sols ferrugineux et de cuirassements siliceux dans le Sidérolitique du Nord du Massif central (bassin de Montluçon-Domérat), vol.2, pp.175-192, 1985.

M. Thiry, Continental France and Belgium during the Early Cretaceous: Paleoweatherings and paleolandforms, vol.177, pp.155-175, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00378492

M. Thiry, J. M. Schmitt, N. Trauth, R. Cojean, and M. Turland, Formations rouges "sidérolithiques" et silicifications sur la bordure Nord du Massif central, Rev. Geol. Phys. Geol. Dyn, vol.24, pp.381-395, 1983.

W. G. Wielemaker, Soil formation by termites a study in the Kisii area, Dep. of Soil Sci. and Geol., Agric. Univ, 1984.

J. Yans, Chronologie des sédiments kaoliniques faciès wealdiens (Barrémien moyen Albien supérieur; Bassin de Mons) et de la saprolite polyphasée (Crétacé inférieur et Miocène inférieur) de la Haute-Lesse (Belgique). Implications géodynamiques et paléoclimatiques, doctorate thesis, 2003.

J. D. Zijderveld, A. C. demagnetization of rocks: Analysis of results, Methods in Paleomagnetism, pp.254-286, 1967.

F. Lagroix and M. Moreau, BP, vol.4

M. Thiry, Mines ParisTech, 35 rue Saint Honoré, F-77305