Records of the Geological Survey of India, Volume 96Government of India, 1964 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 192
... dolerite ; in one dyke , the three members are chilled against one another , ( 2 ) both the earlier and later veins have the same strike , and ( 3 ) the thin sections especially of the chilled margins of the dolerite , are similar to ...
... dolerite ; in one dyke , the three members are chilled against one another , ( 2 ) both the earlier and later veins have the same strike , and ( 3 ) the thin sections especially of the chilled margins of the dolerite , are similar to ...
Page 207
... dolerite sills and lava flows occur ; the dolerite sills are comparatively thin . At Gattimani- konda ( 15 ° 32 ′ : 78 ° 11 ′ ) and north of it thick lava flows , occupying a surface area of over 2.6 sq . km . , separate Pulivendla ...
... dolerite sills and lava flows occur ; the dolerite sills are comparatively thin . At Gattimani- konda ( 15 ° 32 ′ : 78 ° 11 ′ ) and north of it thick lava flows , occupying a surface area of over 2.6 sq . km . , separate Pulivendla ...
Page 210
... dolerite . The upper contact is marked by a thin band of fine - grained leucocratic rock comprising almost entirely of quartz with a few grains of felspar , mica and pyroxene . Dykes A few dolerite dykes are seen in the Tammarajupalle ...
... dolerite . The upper contact is marked by a thin band of fine - grained leucocratic rock comprising almost entirely of quartz with a few grains of felspar , mica and pyroxene . Dykes A few dolerite dykes are seen in the Tammarajupalle ...
Contents
OF | 1 |
MINERAL INVESTIGATIONS | 37 |
ENGINEERING GEOLOGY INVESTIGATIONS | 117 |
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abutment Andhra Pradesh Assistant Geologists Auden bands Banerjee Barakars bauxite beds Bihar boreholes cent charnockite chert chrome-rich chromite Circle clay coal seams coalfield conglomerate copper depth dips district district.-See Ditto dolerite dolomite drilling Dutta dykes east examined exposed fault folded foliation formations Geol Geological Survey Geologists Jr Geophysical gneiss Gondwana grains granite gneiss grey groundwater Gupta hill Himachal Pradesh horizon ilmenite indicated intrusive investigated iron-ore kilometres Laboratories laterite limestone Lower Madhya Pradesh Madras magma magnetite mapped Scale metres mineralisation minerals Murthy nala nodules occur Orissa P₂O pegmatite Petrological phosphate phyllite pits porcellanites pyrite quartz quartz veins quartzite Rajasthan reported river rock types samples sandstone Sarvashri scarp schist sediments shale sheets Shri silica Singh Siwalik Srivastava strike Superintending Geologist in-Charge Surv Survey of India syncline thick thin tonnes trend tunnel Upper Uttar Pradesh valley Vindhyan zone