Records of the Geological Survey of India, Volume 119, Parts 2-8government of India., 1989 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 114
... noted in abundance in some of the pipes of Latta varam area . Autoliths , country rock xenoliths are noted in all the kimberlites . Each kimberlite plug has its characteristic mineral assemblage , reflected in the modal analysis ...
... noted in abundance in some of the pipes of Latta varam area . Autoliths , country rock xenoliths are noted in all the kimberlites . Each kimberlite plug has its characteristic mineral assemblage , reflected in the modal analysis ...
Page 128
... noted on the surface . Diamonds are colourless , but there are smoky , yellow and grey coloured . Indian diamonds are usually of gem variety . Perovskite . Perovskite has been found in abundance in i Wajrakarur and Lattavaram ...
... noted on the surface . Diamonds are colourless , but there are smoky , yellow and grey coloured . Indian diamonds are usually of gem variety . Perovskite . Perovskite has been found in abundance in i Wajrakarur and Lattavaram ...
Page 129
... noted within barites of both the areas . Scanning Electron Microscopic studies of barite show the presence of small cavities on the surface , ( Fig . 29 ) . Country Rock Xenoliths Country rock xenoliths of granite , gneiss , quartzite ...
... noted within barites of both the areas . Scanning Electron Microscopic studies of barite show the presence of small cavities on the surface , ( Fig . 29 ) . Country Rock Xenoliths Country rock xenoliths of granite , gneiss , quartzite ...
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Common terms and phrases
amphibolite analysis anthophyllite Aravalli Archaean assemblage Barakar Barakar Formation Barren Measures basaltic kimberlite base metal basic granulites Berach Granite Bhilwara biotite brecciated Cadigan Caraka Chattopadhyay chemical Chowki limestone chrome diopside coarse cumulative curves Delhi deposits diopside distribution district DPSO environment galena garnet Geol Geological Survey gneiss Gneissic Complex Gondwana Gondwana sandstones grade grain size parameters granulites grey groundmass groundwater ilmenite Indian kimberlites indicate Inman Jour Jungel Kamthi kimberlite kimberlite field Krumbein Kurtosis limestone band lineament magnetite Majhgawan kimberlite McCammon metamorphism mg/l mica schist migmatisation mineralisation minerals nodules olivine pattern Pettijohn phlogopite phyllite Pipe pollution Pradesh Precambrian pyroxene quartz quartz-biotite gneiss quartzite Rajasthan Raniganj river basin samples sandstone Sargipali schist sediments serpentinised shale siltstone Skewness sorted spectral sphalerite spinel studies sub-basin Supergroup surface Surv Survey of India Talchir trace elements Trace Trace Trace Trask ultramafic Umpirtha Vindhyan Wajrakarur and Lattavaram Ward zone