Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 23
... occur as large porphyries similar to granodiorites . Biotite is less in amout and frequently occur as small flakes in contact with K - felspar . The Rb / Sr ratios of the granites and granodiorites have distinctive range ( 1.14 - 2.19 ) ...
... occur as large porphyries similar to granodiorites . Biotite is less in amout and frequently occur as small flakes in contact with K - felspar . The Rb / Sr ratios of the granites and granodiorites have distinctive range ( 1.14 - 2.19 ) ...
Page 264
... occur as isolated pockets in the nearshore zones off Kutukonda and Rushi hill ( in the depth ranges of 10-30m ) in association with fine sands . The weight percentage of total heavies varies from 1.24 to 7.39 in sandy sediments , from ...
... occur as isolated pockets in the nearshore zones off Kutukonda and Rushi hill ( in the depth ranges of 10-30m ) in association with fine sands . The weight percentage of total heavies varies from 1.24 to 7.39 in sandy sediments , from ...
Page 381
... occurring in Sohagpur Coalfield consists of distinctly two contrasting fractions one fine grained melanocratic unit and ... occur as pitches for a considerable stretch trending E - W in Baruah Nala and N - S in Murna Nala sections . The ...
... occurring in Sohagpur Coalfield consists of distinctly two contrasting fractions one fine grained melanocratic unit and ... occur as pitches for a considerable stretch trending E - W in Baruah Nala and N - S in Murna Nala sections . The ...
Contents
Photogeology Remote Sensing Division | 29 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 146240 | 149 |
Overview of the Deputy Director General | 243 |
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield Code cores covered cruise depth range DISTRICT Division drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP geophysical data gneiss Gondwana granite gneiss gravity grey ground evaluation heavy mineral indicate intersected intrusives investigation isobath Kamthi LAMPROITE lamprophyres lignite lineament located MADHYA PRADESH magnetic metabasalt metamorphism migmatites million tonnes mineralisation multisensor NW-SE occur Orissa phyllite programme Proterozoic quartz quartzite Raniganj Regional exploration ridge rocks Sakoli sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zones Shumar slope southern sq km strike length structural studies sub-basin sub-surface Survey of India Talchir Tamil Nadu tectonic thickness Thimphu toposheet trending upto varies