Records of the Geological Survey of India, Volume 113, Part 5government of India., 1980 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 6
... rocks which are the chief host rocks for the fluorite mineralisation in the area , though subordinate or minor mineralisation is found in numerous other rock types . There are two main primary rock groups- the Cretaceous sedimentary ...
... rocks which are the chief host rocks for the fluorite mineralisation in the area , though subordinate or minor mineralisation is found in numerous other rock types . There are two main primary rock groups- the Cretaceous sedimentary ...
Page 13
... rocks , carbonate rocks and other Involved rock types , certain salient facts stand out : ( 1 ) The association of this deposit with ( essentially ) calcium carbonate rock in an envi- ronment of alkaline igneous rocks . This asso ...
... rocks , carbonate rocks and other Involved rock types , certain salient facts stand out : ( 1 ) The association of this deposit with ( essentially ) calcium carbonate rock in an envi- ronment of alkaline igneous rocks . This asso ...
Page 59
... rocks , and also caused local reversal of the As a plunges of N - S trending folds of F. phase . result of the multiple phases of folding , the litho- . units are preserved in structural domes and basins . Regionally the Kondapalli ...
... rocks , and also caused local reversal of the As a plunges of N - S trending folds of F. phase . result of the multiple phases of folding , the litho- . units are preserved in structural domes and basins . Regionally the Kondapalli ...
Contents
Certain aspects of the occurrence of fluorite in India and its exploration | 1 |
Gold mineralisation and geology around Chinmulgund area Dharwar district | 31 |
A note on the mineragraphy of sulphide ores of Kalyadi area Karnataka State | 46 |
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Common terms and phrases
alkaline rocks Ambadongar Andhra Pradesh anorthosite associated axial banded magnetite quartzite basalt biotite borehole breccia CaF2 calcite carbonate carbonatite chalcopyrite Charnockite Charnockite Group chert Chinmulgund chlorite chromiferous chromite chromitite colour complex confidence limits Cretaceous deformation deposits Dharwar diopside district emplacement Felsite fluorite fluorspar folds formation fractures gabbro gabbroic Geol Geological Survey germ pore gm/tonne gneiss GOKUL gold grade grains granite granulite Gujarat host rock hydrothermal hypersthene igneous intrusives Kondapalli hills laterite layering limestone magma magnetite mapping metres million tonnes mineralisation minerals minor Neyveli lignite occurrences olivine orthopyroxenite percent Fe phyllite plagioclase plane pluton pollen pyrite pyroxene pyroxenite pyrrhotite quarry quartz quartz veins quartzite Ramanujam Records reserves Rhyolite rock types rust fungi samples schist schistose sediments spores Stromatolites structure sulphide Survey of India syenite taluks teliospores Tertiary thick tion titles trend ultramafic Unpublished GSI Report upto veinlets volcanic websterite