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Journal of Mining and Environment، جلد ۲، شماره ۲، صفحات ۸۶-۱۰۱
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عنوان انگلیسی Investigation of blind massive sulphide deposit signatures in the calcrete layers as a geochemical barrier: A case study of Areachap, Kantienpan and Copperton deposits
چکیده انگلیسی مقاله The trace element contents on the surface originated from mineralization would depend to the thickness of the calcrete layer above the ore deposit on the surface. A very thick layer of calcrete may not allow for much dispersion of the elements of interest in the surface. These elements may be concentrated in non-magnetic and magnetic part of calcrete. Based on the current research, mineralogical composition of the non-magnetic part of the calcrete consists of calcite, quartz and microcline and the magnetic part comprises of magnetite, hematite, calcite and albite (at Kantienpan). It could be demonstrated that calcrete samples close to the ore zone have higher contents of Cu, Zn and CaCO3 when compared to the calcrete samples further away from the ore zone. Lithogeochemical exploration program based on the visually cleaned calcrete samples may lead to the successful identification of underlying mineralization, but the dispersion of the interest elements may be severely restricted. It is however evident that these elements are available at the calcrete-sand interface and could then be dispersed by ground and rain water as in the case of mobile metal ions.
کلیدواژه‌های انگلیسی مقاله Calcrete,massive sulphide,VHMS,mobile metal ion
نویسندگان مقاله رضا قوامی ریابی | ghavami riabi
assistant prof. of exploration geochemistry, faculty of mining, petroleum and geophysics, shahrood university of technology
سازمان اصلی تایید شده: دانشگاه صنعتی شاهرود (Shahrood university of technology)

h f j theart | h f j
srk consulting engineers and scientists, 265 oxford road, ilovo, johannesburg, south africa

نشانی اینترنتی http://jme.shahroodut.ac.ir/article_62_115a623c4eeca9581ec20acdb90f7030.pdf
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