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 2
... Barail Group ( Oligocene ) The major resources of coal in Upper Assam , Arunachal Pradesh ( NEFA ) and Nagaland are confi- ned to this group . The Barail group is about 4500 to 7000 metres in thickness and the coal measures are ...
... Barail Group ( Oligocene ) The major resources of coal in Upper Assam , Arunachal Pradesh ( NEFA ) and Nagaland are confi- ned to this group . The Barail group is about 4500 to 7000 metres in thickness and the coal measures are ...
Page 29
Geological Survey of India. BARAIL GROUP The Barail Group of sediments as encountered in the subsurface of the Upper Assam Valley can be conveniently subdivided into two parts . The upper part consists of mudstone / shale with some ...
Geological Survey of India. BARAIL GROUP The Barail Group of sediments as encountered in the subsurface of the Upper Assam Valley can be conveniently subdivided into two parts . The upper part consists of mudstone / shale with some ...
Page 71
Geological Survey of India. It has been named after the Barail hill range . The part of this hill range , located north of Silchar may be regarded as the type area . The Barail Group contains meagre fossil fauna . However , it contains a ...
Geological Survey of India. It has been named after the Barail hill range . The part of this hill range , located north of Silchar may be regarded as the type area . The Barail Group contains meagre fossil fauna . However , it contains a ...
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