Records of the Geological Survey of India, Volume 82Geological Survey of India, 1949 - 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 12
... stage or Lower Coal Measures . Talchir stage . The Archaean rocks , consisting mainly of granitoid gneiss , hornblende and mica - gneiss , are traversed by pegmatitic and quartz veins , and are found in the north , west and south of the ...
... stage or Lower Coal Measures . Talchir stage . The Archaean rocks , consisting mainly of granitoid gneiss , hornblende and mica - gneiss , are traversed by pegmatitic and quartz veins , and are found in the north , west and south of the ...
Page 329
... stage are seen immediately overlain by those of the Ariyalur stage . Remains of ammonites , lamellibranchs and gastropods are abundant . The specimen described in these pages was discovered in the middle portion of the Trichinopoly stage ...
... stage are seen immediately overlain by those of the Ariyalur stage . Remains of ammonites , lamellibranchs and gastropods are abundant . The specimen described in these pages was discovered in the middle portion of the Trichinopoly stage ...
Page 338
... stage with Cenomanian , the Trichino- poly with the Turonian and the Ariyalur with the Senonian . The evidence , according to Kossmat1 , indicates a Turonian- Senonian age for the Trichinopoly stage . The middle beds from which ...
... stage with Cenomanian , the Trichino- poly with the Turonian and the Ariyalur with the Senonian . The evidence , according to Kossmat1 , indicates a Turonian- Senonian age for the Trichinopoly stage . The middle beds from which ...
Contents
SPECIAL INVESTIGATIONScontd | 5 |
VOLUME 82 1949 PART I | 6 |
Titanium M S Krishnan B C Roy As | 10 |
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abutment Ajmer-Merwara alignment alluvium Assam Assistant Geologist Auden Balasundaram bands bank Barakar beds Bihar biotite Bombay Calcutta Carried out geological cement cent Central Provinces charnockites chromite Circle and left coal coalfield coarse colour Cuddapah dam-site Datia days with effect Deccan trap deposits depth district dolerite dykes Engineering epidiorite examined feet felspar fossil Geol Geological Survey Geophysical gneisses Godavari Gondwana granite gypsum Hazra headquarters hill hillocks India investigation joints Journ Kurnool laterite limestone lode Madras magnetite mapping material Messrs Mica miles Mineral Concessions Mining Nagpur nala November occur Ochre Orissa outcrop pegmatite phyllites plateau Pradesh Project quantity quarries quartz quartzites railway reported ridge river road rocks samples sand sandstones seams shales sheet Shri Soapstone soil Southern Circle specimen suitable Survey of India taluk thick tons traps Trichinopoly tunnel United Provinces upstream Valley veins village Vindhya Vindhya Pradesh water supply zone