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
... variation from barren to economic quantities and the cause of this variation have been critically examined . Formula of a Milashev , 1965 and Illupin , et al , 1974 when applied in Indian kimberlities , show reverse trend . Tectonic set ...
... variation from barren to economic quantities and the cause of this variation have been critically examined . Formula of a Milashev , 1965 and Illupin , et al , 1974 when applied in Indian kimberlities , show reverse trend . Tectonic set ...
Page 138
... variation and low partial melting of the mantle because Nb is preferentially concentrated in the melt producing low Zr / Nb ratio . Cr / Ni values of Majhgawan kimberlite varies from 8 to 2 and the majority of values are within 1-1.5 ...
... variation and low partial melting of the mantle because Nb is preferentially concentrated in the melt producing low Zr / Nb ratio . Cr / Ni values of Majhgawan kimberlite varies from 8 to 2 and the majority of values are within 1-1.5 ...
Page 141
... variation and low partial melting of the mantle because Nb is preferentially concentrated in the melt producing low Zr / Nb ratio . The variation in the incidence of diamonds in kimberlite pipes is a puzzling problem and is not yet ...
... variation and low partial melting of the mantle because Nb is preferentially concentrated in the melt producing low Zr / Nb ratio . The variation in the incidence of diamonds in kimberlite pipes is a puzzling problem and is not yet ...
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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