G - Physics – 01 – N
Patent
G - Physics
01
N
150/17
G01N 33/24 (2006.01)
Patent
CA 1122107
F 05 LV-4P METHOD OF PROCESSING SAMPLES OF SEDIMENTARY DEPOSITS CHARACTERIZED BY UNSTABLE SULPHIDE CONDITIONS AS AN AID TO DETECTION OF ECONOMIC MINERAL CONTENT THEREIN A B S T R A C T A method of processing a bulk sample of a sedimentary deposit collected from a survey site charcterized by unstable sulphide conditions as an aid to the detection of economic mineral content in the sample is described. The method involves the steps of washing and wet sieving the sample to produce two or more size fractions, drying at least one size fraction, and separating that size fraction into at least two specific gravity fractions and, in at least some cases, magnetically separating at least one specific gravity fraction to produce a paramagnetic fraction. An acid leach step is included following specific gravity separation and is applied either to at least a part of a specific gravity fraction or, in cases where a paramagnetic fraction is produced, to at least a part of the paramagnetic fraction.
338520
Fipke Charles E.
Oyen Wiggs Green & Mutala
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