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 27
... Upper Part : Mudstone / shale with sandstone beds and coal bands . Lower Part : Sandstone with shale bands ... Upper Assam Valley . ( d ) The upper part of Kopili alternations is devoid of marine fauna which are typical of the lower ...
... Upper Part : Mudstone / shale with sandstone beds and coal bands . Lower Part : Sandstone with shale bands ... Upper Assam Valley . ( d ) The upper part of Kopili alternations is devoid of marine fauna which are typical of the lower ...
Page 37
... Upper Oligocene . Most of the localities from where fossils have been studied are either from the so - called Boka Bil or the Upper Bhuban Stage ( Formation ) and the fossil assemblage indicate mostly a Lower Miocene age app- roximately ...
... Upper Oligocene . Most of the localities from where fossils have been studied are either from the so - called Boka Bil or the Upper Bhuban Stage ( Formation ) and the fossil assemblage indicate mostly a Lower Miocene age app- roximately ...
Page 77
... upper . most Cenozone a Lower Eocene age . These biozones are identical in composition with Proxapertites crassi- murus , Araliaceoipollenites reticulatus , Tricolpites reticulatus Cenozones and Lakadong Sandstone ( = Middle Sylhet ...
... upper . most Cenozone a Lower Eocene age . These biozones are identical in composition with Proxapertites crassi- murus , Araliaceoipollenites reticulatus , Tricolpites reticulatus Cenozones and Lakadong Sandstone ( = Middle Sylhet ...
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