Records of the Geological Survey of India, Volume 127, Parts 1-2Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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... revealed that the granitoid rocks of the belt , comprise five distinct petrological variants . Study of trace elements revealed their similarity with volcanic rocks and granite and REE patterns show their derivation from amphibolite ...
... revealed that the granitoid rocks of the belt , comprise five distinct petrological variants . Study of trace elements revealed their similarity with volcanic rocks and granite and REE patterns show their derivation from amphibolite ...
Page 17
... revealed three calcareous units overlying a predominantly arenaceous unit and a changing pattern of communities of invertebratic biota . The invertebrate macrofossils consist mainly of bivalves , ammonoids , gastropods , echinoids and ...
... revealed three calcareous units overlying a predominantly arenaceous unit and a changing pattern of communities of invertebratic biota . The invertebrate macrofossils consist mainly of bivalves , ammonoids , gastropods , echinoids and ...
Page 40
... revealed the presence of ilmeno- rutile ( Nb - Ta bearing ) and forsterite . Petrochemical studies of alkaline rocks of Prakasam district indicated their miaskitic nature and the agpaitic index was less than 1. Ore petrological studies ...
... revealed the presence of ilmeno- rutile ( Nb - Ta bearing ) and forsterite . Petrochemical studies of alkaline rocks of Prakasam district indicated their miaskitic nature and the agpaitic index was less than 1. Ore petrological studies ...
Contents
COORDINATION TECHNICAL DIVISION | |
FOREWORD | |
PALAEONTOLOGY DIVISION I 10 | |
Copyright | |
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amphibolite analysis Andhra Pradesh anomalies associated Asstt bands Barakar Barakar Formation base metal basin Bihar block boreholes carried Chakraborty chemical clay coal seams Coalfield comprising core covered deposits depth Director Geologist district DIVISION Director drilling eastern ENGINEERING GEOLOGY exploration for coal field season fold GEODATA geological mapping Geologist Jr Geophysicist geotechnical investigation Ghosh gneiss gold Gondwana grade grained granitoids gravity Group Headquarters heavy mineral India indicated intersected Kumar limestone located Madhya Pradesh magnetic Maharashtra mineralisation Orissa PETROLOGY phyllite Precambrian programme Project quartz veins quartzite Quaternary Rajasthan Raniganj Regional exploration REMOTE SENSING river S.T.A. Geol Sakoli samples were collected sand sandstone scale schist schist belt Seabed survey seam zones sector sediments sequence shale shear zone Shri A.K. Singh Singhbhum sq km sq.km stage geotechnical investigation studies sulphide surface Tamil Nadu tectonic thematic mapping thickness Toposheet traverse trending undertaken upto Valley volcanic