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 22
... mineralisation has been 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 ...
... mineralisation has been 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 ...
Page 23
... mineralisation from 0.046 to 0.17 % eU3O8 has been noted ( Rishi , 1975 ) . The nature of occurrence of uranium is , as in Umryngka in the matrix of the ill - sorted felspathic sandstone in close association with carbonaceous matter ...
... mineralisation from 0.046 to 0.17 % eU3O8 has been noted ( Rishi , 1975 ) . The nature of occurrence of uranium is , as in Umryngka in the matrix of the ill - sorted felspathic sandstone in close association with carbonaceous matter ...
Page 24
... Mineralisation is controlled by the carbonaceous material that occurs in the matrix of the host rock . Both the horizons have shown discrete uranium mineralisation and grab samples have assayed between 0.02 to 0.047 % Us Os ( Yusuf ...
... Mineralisation is controlled by the carbonaceous material that occurs in the matrix of the host rock . Both the horizons have shown discrete uranium mineralisation and grab samples have assayed between 0.02 to 0.047 % Us Os ( Yusuf ...
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