Records of the Geological Survey of India, Volume 112, Parts 7-8Government of India, 1981 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 26
... Thin impersistent chert bands are exposed at a few places . A thin band of chert , interstratified with limestone and not exceeding a metre in thickness , occurs northwest of Pandoli Amonki in the shales . This chert is green , massive ...
... Thin impersistent chert bands are exposed at a few places . A thin band of chert , interstratified with limestone and not exceeding a metre in thickness , occurs northwest of Pandoli Amonki in the shales . This chert is green , massive ...
Page 36
... thin sections . A thin section shows that it consists of orthoclase , oligoclase , albite , biotite , riebeckite and epidote . Accessory minerals are clino- zoisite , apatite , magnetite , quartz , calcite , chlorite and scapolite ...
... thin sections . A thin section shows that it consists of orthoclase , oligoclase , albite , biotite , riebeckite and epidote . Accessory minerals are clino- zoisite , apatite , magnetite , quartz , calcite , chlorite and scapolite ...
Page 54
... thin section , it shows sub - angular to perfectly rounded quartz grains set in a matrix of fine quartz , sericite , muscovite and altered felspars . Iron oxide is abundant , either coating the grain boundaries of quartz or in cubic ...
... thin section , it shows sub - angular to perfectly rounded quartz grains set in a matrix of fine quartz , sericite , muscovite and altered felspars . Iron oxide is abundant , either coating the grain boundaries of quartz or in cubic ...
Contents
RECORDS | 1 |
Geology Structure and Sulphide Mineralisation of Tosham District Bhiwani Haryana | 7 |
Geology and Geochemistry of Sulphide Mineralisation in Teejanwali Hill Mahendragarh | 17 |
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Ajabgarh albite altered anomaly Aravalli Banded Gneissic Complex Bari Sadri basin Bayana beds belt Berach Berach Granite Bhadesar biotite calcite chert chlorite colour conglomerate country rocks crystalline Delhi Supergroup Deoban deposits district dolomite east eastern epidote fault felspar fluvial folds foliation Formation fractures Geol Geological Survey glacial glacier gneiss grade grains granite grey groundmass Himalaya hornblende intrusive Jamuna Jogipura Jutogh kankar limestone magmatic magnetite Mandhali metamorphism metasediments metres mica schist microcline migmatites mineralisation minerals muscovite NE-SW Nithar NW-SE occur oligoclase orthoclase overlying pebbles pegmatite phase phenoclasts phyllite places plagioclase Plate-1 porphyry Pre-Aravalli pre-Delhi Purola quartz quartzite Rajasthan region rhyolite river samples sand Sandstone schist schistose sediments seen sequence sericite shale shows slate sphene stratigraphic Sub-basin Supergroup surface Surv Survey of India tectonic terraces texture thick thin Thrust Tosham trend tuff unconformity valley veins Vindhyan Volcanics Wazri zircon zone