Records of the Geological Survey of India, Volume 129, Part 8The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 132
... quartz and quartz - carbonate veins . Sulphide bearing quartz veins are auriferous . They are smoky to grey in colour . Most of the ancient workings occur over these veins . Shearing has played an important role in localising ...
... quartz and quartz - carbonate veins . Sulphide bearing quartz veins are auriferous . They are smoky to grey in colour . Most of the ancient workings occur over these veins . Shearing has played an important role in localising ...
Page 142
... Quartz , plagioclase , microcline , perthite , boitite , hornblende , allanite , zircon , apatite and opaques are the primary constituents and chlorite epidote , muscovite , sericite , saussurite are the secondary minerals in the ...
... Quartz , plagioclase , microcline , perthite , boitite , hornblende , allanite , zircon , apatite and opaques are the primary constituents and chlorite epidote , muscovite , sericite , saussurite are the secondary minerals in the ...
Page 176
... quartz . Considering first the possibility of a hydrothermal origin of the quartz reef and assuming the temperature of its formation at about 300 ° C , as sug- gested by the mineral assemblage epidote - muscovite- chlorite - K - felspar ...
... quartz . Considering first the possibility of a hydrothermal origin of the quartz reef and assuming the temperature of its formation at about 300 ° C , as sug- gested by the mineral assemblage epidote - muscovite- chlorite - K - felspar ...
Contents
An Overview on the activities of Operation Jammu and Kashmir | 3 |
443SU | 75 |
1003 | 126 |
Copyright | |
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aeolian alluvial Alluvium amphibolite analysis anomalies bands base metal basin Beas bedrock belt Bhiwani biotite block boreholes chlorite clay crystalline Dehradun district deposits depth dipping dolomite drill excavated exposed Field Season fluvial foliation Formation Garhwal geochemical geoenvironmental geological mapping geomorphological geophysical geotechnical glacier gneiss gold grade granite granitoids grey groundwater Group Haryana Himachal Pradesh Himalaya indicated Jammu Jutogh Khanak Krol Lalitpur landslide limestone Mahendragarh district mineral mineralised zone Murree occurs Older Alluvium phyllite pink Project Proterozoic Punjab quartz quartzite Quaternary region river rocks samples sand sandstone Satluj scale schist sediments sequence shale shear zone siltstone Singh Sirmaur district Siwalik slate slope soil Sonbhadra district sq km stage geological investigations studies sulphide surveys tectonic terraces thematic maps thick Thrust tion Tosham trending tunnel upto Uttar Pradesh Vaikrita valley values एवं का कार्य की के को तथा पी प्रदेश से है