Records of the Geological Survey of India, Volume 136, Parts 4-7Government of India, 2001 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 99
... porphyritic adamellite, porphyritic diorite with albitite at places, pink and grey equigranular alkali granite and syenite as variants and is a multiple intrusive phase with sodic component prominent in the early phase and ending with ...
... porphyritic adamellite, porphyritic diorite with albitite at places, pink and grey equigranular alkali granite and syenite as variants and is a multiple intrusive phase with sodic component prominent in the early phase and ending with ...
Page 19
... porphyritic Compound basalt --> Non porphyritic Compound basalt Geological contact with alternate massive and vesicular units --~~ (inferred) Non porphyritic Compound basalt massive units rich in olivine - • State boundary Highly ...
... porphyritic Compound basalt --> Non porphyritic Compound basalt Geological contact with alternate massive and vesicular units --~~ (inferred) Non porphyritic Compound basalt massive units rich in olivine - • State boundary Highly ...
Page 20
... porphyritic, highly amygdular/vesicular basalt. 244 VII N Non-porphyritic, massive basalt. 3–5 R Compound basalt, dominantly vesicular with a few porphyritic units. 135. VI N Porphyritic basalt (megacryst) with plagioclase phenocrysts ...
... porphyritic, highly amygdular/vesicular basalt. 244 VII N Non-porphyritic, massive basalt. 3–5 R Compound basalt, dominantly vesicular with a few porphyritic units. 135. VI N Porphyritic basalt (megacryst) with plagioclase phenocrysts ...
Contents
EXTENDED ABSTRACTS OF PROGRESS REPORTS | 5 |
MEGHALAYA MINERAL INVESTIGATION PROJECT | 11 |
RECORDS VOLUME 136 PART5 | i |
Copyright | |
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amphibolite Andhra Pradesh anomaly auriferous bands basalt base metals basin bedrock biotite block boreholes carried charnockite clay collected comprising Construction stage geotechnical covered Cuddapah deformation delineated depth district dolerite dolomite drilling dykes east excavation exploration exposed fault feldspar field field season folds foliation Formation foundation fracture geoenvironmental geological mapping geophysical geotechnical investigation gneiss gneissic gold values grained granite granite gneiss granitoids gravity grey grouting indicated intersected intrusive joints kimberlite limestone lineaments lithounits located magnetic Meghalaya migmatite mineralised zone minerals NE-SW NNW-SSE NW-SE occur overburden pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan regional River rock samples sand sandstone scale schist schist belt shear zone slope soil sq km stage geotechnical investigation stream sediment strike length structural studies sulphide Supergroup surface surveys syenite Tamil Nadu tectonic thick toposheet traverse trench trending Udaipur district ultramafic village volcanics weathered width