Records of the Geological Survey of India, Volume 129, Parts 4-5
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.
Resource Survey for dimensional stones of Mylliem Granite East Khasi Hills District Meghalaya
ASSAM PROJECT 6 GEOLOGICAL MAPPING
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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