Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

R. Prasad ¹, S. Rai ¹, Alok Kumar ¹, G. N. Dwiyedi ², A. K. Tripathi ², M. L. Yadav ²

Affiliations
1 Mineral Physics Division, Geological Survey of India, Lucknow-226024, IN
2 Project Mineral Investigation (Peninsular), Geological Survey of India, Lucknow-226024, IN

Abstract

A rare mineral Beudantite PbFe₃ (AsO₄)(SO₄)(OH)₆had been identified by X-ray diffraction technique in a weathered mineralised quartz vein, emplaced in phyllitic sequence. Its cell parameters are a=7.32Å. and c=17.13Å that are comparable to those of JCPDS-ASTM standard. Its association with corkite suggests that the area may have potential for silver and gold.

Keywords

Mineralogy, Beudantite, Corkite, XRD, Sonbhadra, Uttar Pradesh.

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S. S. Garhia ¹, V. P. Sharma ¹, M. L. Yadav ¹

Affiliations
1 Geological Survey of India, Jhalana Dungri, Jaipur - 302 004, IN

Abstract

Occurrence of Quaternary Stromatolites is recorded and their mode of occurrence and morphology described.

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