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Experiments on geochemical prospecting for uranium in arid country; Essais de prospection geochimique de l'uranium en pays aride

Abstract

The necessity for preliminary inquiries before applying routine geochemical prospecting techniques to the exploration of a new region is shown. Under conditions presumed to be unfavorable for geochemical prospecting as found in Nigeria along the banks of the Air, a preliminary examination showed that sampling of the stabilized superficial deposits at a depth of 15 cm made it possible to detect the presence of U-containing mineralizations hidden under about 20 meters of sterile sandy deposits. To confirm this result, a boring located on a U-containing geochemical anomaly in a paleosol, encountered a mineralized formation at a depth of 28 meters. (authors) [French] Les auteurs montrent la necessite des enquetes preliminaires avant toute application en routine des techniques geochimiques de prospection, lorsque l'on aborde une region nouvelle. Dans les conditions, a priori defavorables pour la prospection geochimique, que l'on trouve au Niger, en bordure de l'Air, une enquete preliminaire a etabli que l'echantillonnage des depots superficiels stabilises, a 15 centimetres de profondeur, permettait de deceler la presence de mineralisations uraniferes cachees sous une vingtaine de metres de sediments greseux steriles. Pour verifier ce resultat, un sondage implante sur une anomalie geochimique uranifere au sein d'un paleosol, a rencontre une formation mineralisee  More>>
Authors:
Grimbert, A; Obellianne, J M [1] 
  1. Commissariat a l'Energie Atomique, Centre d'Etudes Nucleaires de Fontenay-aux-Roses, 92 (France)
Publication Date:
Jul 01, 1962
Product Type:
Technical Report
Report Number:
CEA-R-2219
Resource Relation:
Other Information: PBD: 1962
Subject:
54 ENVIRONMENTAL SCIENCES; ARID LANDS; GEOCHEMICAL SURVEYS; NIGERIA; PROSPECTING; URANIUM DEPOSITS
OSTI ID:
20468514
Research Organizations:
Commissariat a l'Energie Atomique, Centre d'Etudes Nucleaires de Fontenay-aux-Roses, 92 (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
TRN: FR04R2219044224
Availability:
Available from INIS in electronic form
Submitting Site:
FRN
Size:
59 pages
Announcement Date:

Citation Formats

Grimbert, A, and Obellianne, J M. Experiments on geochemical prospecting for uranium in arid country; Essais de prospection geochimique de l'uranium en pays aride. France: N. p., 1962. Web.
Grimbert, A, & Obellianne, J M. Experiments on geochemical prospecting for uranium in arid country; Essais de prospection geochimique de l'uranium en pays aride. France.
Grimbert, A, and Obellianne, J M. 1962. "Experiments on geochemical prospecting for uranium in arid country; Essais de prospection geochimique de l'uranium en pays aride." France.
@misc{etde_20468514,
title = {Experiments on geochemical prospecting for uranium in arid country; Essais de prospection geochimique de l'uranium en pays aride}
author = {Grimbert, A, and Obellianne, J M}
abstractNote = {The necessity for preliminary inquiries before applying routine geochemical prospecting techniques to the exploration of a new region is shown. Under conditions presumed to be unfavorable for geochemical prospecting as found in Nigeria along the banks of the Air, a preliminary examination showed that sampling of the stabilized superficial deposits at a depth of 15 cm made it possible to detect the presence of U-containing mineralizations hidden under about 20 meters of sterile sandy deposits. To confirm this result, a boring located on a U-containing geochemical anomaly in a paleosol, encountered a mineralized formation at a depth of 28 meters. (authors) [French] Les auteurs montrent la necessite des enquetes preliminaires avant toute application en routine des techniques geochimiques de prospection, lorsque l'on aborde une region nouvelle. Dans les conditions, a priori defavorables pour la prospection geochimique, que l'on trouve au Niger, en bordure de l'Air, une enquete preliminaire a etabli que l'echantillonnage des depots superficiels stabilises, a 15 centimetres de profondeur, permettait de deceler la presence de mineralisations uraniferes cachees sous une vingtaine de metres de sediments greseux steriles. Pour verifier ce resultat, un sondage implante sur une anomalie geochimique uranifere au sein d'un paleosol, a rencontre une formation mineralisee a 28 metres de profondeur. (auteurs)}
place = {France}
year = {1962}
month = {Jul}
}