Anisotropie de susceptibilité magnétique (ASM) et chimie des traces : une nouvelle méthodologie pour démêler processus hydrothermaux et supergènes. Application au gisement à Ba-Fe-F de Chaillac (Indre, France)

Abstract : Anisotropy of magnetic susceptibility (AMS) determinations and trace-element analyses have been firstly carried out, at Chaillac, on two ferruginous sandstone sections of hydrothermal and lateritic origins, respectively. The goethite has been identified as the main AMS carrier. Distinct AMS patterns and characteristic Ti-As anomalies have been observed, which allows to quantify the importance of hydrothermal and lateritic processes when both are superimposed. These preliminary results show that the 'Fe-Ba complex' of hydrothermal origin at Chaillac has been lateritized for a few meters from the present erosion surface.
Complete list of metadatas

Cited literature [12 references]  Display  Hide  Download

https://hal-insu.archives-ouvertes.fr/hal-00089821
Contributor : Nathalie Pothier <>
Submitted on : Tuesday, March 5, 2013 - 4:06:46 PM
Last modification on : Friday, April 5, 2019 - 8:08:28 PM
Long-term archiving on : Thursday, June 6, 2013 - 2:30:09 AM

File

1-s2.0-S1251805001015580-main....
Publisher files allowed on an open archive

Identifiers

Collections

Citation

Stanislas Sizaret, Yan Chen, Eric Marcoux, Jean-Claude Touray. Anisotropie de susceptibilité magnétique (ASM) et chimie des traces : une nouvelle méthodologie pour démêler processus hydrothermaux et supergènes. Application au gisement à Ba-Fe-F de Chaillac (Indre, France). Comptes rendus de l’Académie des sciences. Série IIa, Sciences de la terre et des planètes, Elsevier, 2001, 322, pp.431-437. ⟨10.1016/S1251-8050(01)01558-0⟩. ⟨hal-00089821⟩

Share

Metrics

Record views

385

Files downloads

315