نتایج جستجو برای: sulphide minerals
تعداد نتایج: 25221 فیلتر نتایج به سال:
The Bukit Botol and Ketaya deposits are two examples of volcanic-hosted massive sulphide (VHMS) that occur in the Tasik Chini area, Central Belt Peninsular Malaysia. mineralisation is divided into subzones distinguished by spatial, mineralogical, textural characteristics. primary minerals include pyrite, chalcopyrite, sphalerite, galena, with lesser amounts Sn- Ag-bearing minerals, Au. However,...
The lead-zinc-barium deposits of the southern Benue Trough, Nigeria belong to a suite clastic dominated fracture filling hydrothermal vein deposits. alteration types and spread are poorly known yet required aid exploration. Band ratio composites (BRC), Principal Component Analysis (PCA), Minimum Noise Fraction (MNF) were applied full scene Advanced Spaceborne Thermal Emission Reflection Radiome...
The Sebandoon Barite (gold-silver) deposit is located about 20 km NW of the Kashmar in the Central Iran. The rock units exposed in the area consist of Eocene volcano-sedimentary sequences of lithic tuff, rhyolitic tuff, tuffaceouce shale, lapilli tuff and agglomerate associated with pyroxene andesite and trachyandesite. The barite is composed of lenticular, banded and stockwork mineralization a...
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