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Mineral Resources Potential - Geothermal Resources

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Metallic Minds 49. -<br />

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Based on different textural features of ore minerals and gangue.) rrs<br />

well as intergrowth relationships, the paragenetic sequence has<br />

been subdivided into four paragenetic stages. Stage one is<br />

characterized by an assemblages of pyrrhotite, chalcopyrite,<br />

sphalerite, cubanite, gersdofite, ulmanite, pentIandite and<br />

mackinswite. The sulphide minerals mainly occur in the wall rocks<br />

and me inherited as relic in awifmus quartz veins, In stage two,<br />

pyrite replaces pyrrhotite along grain boundaries. Finger-like<br />

protrusion of pyrite in pyrrhotite is common, Stage three is<br />

represented by the last pyrite generation. This pyrite stage occurs in<br />

late quartz veinlets cutting across the schistosity. Stage four<br />

includes gold, electrum, galena and tellurides. These minerals are<br />

confined to laminated or banded quark veins and their wall rocks,<br />

Gold and tellurides always occur as inclusions in galena pig. 9).

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