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Evaluation of geochemical methods in exploration for primary tin deposits: Batu Gajah-Tanjong Tualang area, Perak, Malaysia

Authors
Journal
Journal of Geochemical Exploration
0375-6742
Publisher
Elsevier
Publication Date
Volume
29
Identifiers
DOI: 10.1016/0375-6742(87)90076-8

Abstract

Abstract The dispersion of Sn, As, Cu, Pb and Zn has been investigated in soils and stream sediments from an area of moderate relief, underlain by Lower Carboniferous metasediments, on the western side of the Kinta Valley, Perak, Peninsular Malaysia. Results indicate that although sediment surveys using the −80 mesh (−177 μm) fraction, can detect Sn anomalies related to minor cassiterite mineralization, contrast and definition for soil anomalies is much better in the coarser −28+65 mesh (−600+212 μm) size fraction. The relatively high (10×–20×) Sn contents of −80 mesh sediments versus soils results from winnowing away fine light minerals during sediment transport leaving a sandy, Sn-rich bedload. Textural differences between associated soils and sediments should be taken into account in interpreting Sn anomalies in these media.

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