Records of the Geological Survey of India, Volume 129, Parts 4-5The Survey, 1994 - 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 14
... sandstone . Medium to coarse grained micaceous / feldspathic ferruginous sandstone and clays with occasional fossilweed . Alternate sequence of grey laminated shales , calcareous siltstone , micaceous sandstone with rare limestone and ...
... sandstone . Medium to coarse grained micaceous / feldspathic ferruginous sandstone and clays with occasional fossilweed . Alternate sequence of grey laminated shales , calcareous siltstone , micaceous sandstone with rare limestone and ...
Page 39
... sandstone and siltstone . The shale beds vary in thickness from a few 50 cms . The associated sandstone beds range in thickness upto 20 cms , whereas siltstone bands are 10 to 15 cms thick . The frequency of occurrence of sandstone is ...
... sandstone and siltstone . The shale beds vary in thickness from a few 50 cms . The associated sandstone beds range in thickness upto 20 cms , whereas siltstone bands are 10 to 15 cms thick . The frequency of occurrence of sandstone is ...
Page 58
... sandstone belonging to Middle Bhuban Formation ( Surma Group ) of Tertiary Age , are exposed around the project area . During the current field season , the geotechnical investiga- tions of the scheme has been continued by logging of ...
... sandstone belonging to Middle Bhuban Formation ( Surma Group ) of Tertiary Age , are exposed around the project area . During the current field season , the geotechnical investiga- tions of the scheme has been continued by logging of ...
Contents
Resource Survey for dimensional stones of Mylliem Granite East Khasi Hills District Meghalaya | 4 |
ASSAM PROJECT 6 GEOLOGICAL MAPPING | 12 |
An Overview | 1 |
Copyright | |
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Common terms and phrases
amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly Arunachal Pradesh Assam assessment auriferous banded iron formation beach bedrock BIF bands biotite block boreholes carried charnockite chert clay comprising delineated deposits depth dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss grade grained granite granite gneiss granulite gravity grey Group hill hornblende indicated intrusives joints KARNATAKA KERALA kimberlite laterite limestone lineament located mafic magnetic Meghalaya metabasalt migmatites mineral mineralised zones NE-SW NW-SE occur overburden pegmatite phyllite pink power house PROJECT pyrite quartz quartz veins quartzite regional ridge river rock types samples sand sandstone scale schist belt schistose sediments shale shear zone Shillong slope soil Specialised Thematic Mapping sq km strike length structural studies sulphides surface surveys TAMIL NADU thick traverses trenching trending tunnel ultramafic upto valley volcanics weathered width