Records of the Geological Survey of India, Volume 112, Part 4The Survey, 1982 - 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 19
... observed in the Mahadeos indicate that there is an inherent source of uranium , which when mobilised could lead to richer concentrations . The observations made so far on disequilibrium conditions in the samples of the area lend support ...
... observed in the Mahadeos indicate that there is an inherent source of uranium , which when mobilised could lead to richer concentrations . The observations made so far on disequilibrium conditions in the samples of the area lend support ...
Page 22
... observed in the Tarangblang area , as already pointed out , are the Umryngka , Umbeng and Umtapalang rivers . ( a ) Umryngka River Section The Mahadeo and Langpar formations are fully exposed along with the basement rocks in the middle ...
... observed in the Tarangblang area , as already pointed out , are the Umryngka , Umbeng and Umtapalang rivers . ( a ) Umryngka River Section The Mahadeo and Langpar formations are fully exposed along with the basement rocks in the middle ...
Page 48
... observed . ( Roy Chowdhury and Boral , 1978 ) . The downwarps / rifts or rift system formed by folding / tensional stress adjoining the orogen probably formed by Hercynian ( ? ) orogeny was possibly the edifice for deposition of the ...
... observed . ( Roy Chowdhury and Boral , 1978 ) . The downwarps / rifts or rift system formed by folding / tensional stress adjoining the orogen probably formed by Hercynian ( ? ) orogeny was possibly the edifice for deposition of the ...
Contents
OF | 1 |
A note on the Gondwana sediments of Singrimari Hallidaygunj Meghalaya | 7 |
A note on the uranium mineralisation in Cretaceoussedimentary rocks near Gomaghat Khasi Hills | 17 |
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Alluvium Anek arkose Arunachal Pradesh Assam assemblage Atomic Minerals Division Barail Group basin beds Bhuban Formation Biostratigraphy Boka Bil Formation Brahmaputra Burma carbonaceous Chatterjee coal seams coalfield conglomerate Cretaceous Darrangiri deposits diamictite Dielasma Disang Formation Disang Group Eocene Eurydesma exposed fauna foraminifera fossil Garo Hills gastropod Geol Geological Survey GHOSH Girujan Clay Formation Gomaghat Himalayas horizon Jaintia Group Khasi Hills Kopili Formation Kuklung Langrin Mahadeo Formation Makum Manipur marine MATHUR Meghalaya metres Miocene Miocene age Mukherjee Nagaland Nenkhara Noet Nummulites occurs Oligocene PLATE pyrite range region rocks Rotalia Sahni samples sandstone Sarbhog Satsangi sedimentary sediments sequence shales Shillong Plateau Siang district SINGH Singrimari SINHA species stratigraphic studied Subansiri sulphur Surma Surma Group Surv Survey of India Sylhet Sylhet Limestone Talchir taxa Tertiary thickness tillite Tipam Group trace elements Tripura Tura Unconformity Unpublished GSI Upper Assam uranium uranium mineralisation Vred Zone