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. |
From inside the book
Results 1-3 of 31
Page 29
... developed S , axial planar schistosity . The third ( F , ) phase is represented by broad warps with general E - W axial trace . 2 The auriferous quartz veins appear to have been emplaced along shear zones developed during F1 . The ...
... developed S , axial planar schistosity . The third ( F , ) phase is represented by broad warps with general E - W axial trace . 2 The auriferous quartz veins appear to have been emplaced along shear zones developed during F1 . The ...
Page
... developed- ' herring - bone ' structure due to complex twinning . Secondary amphibole and biotite formed at the expense of pyroxene are no- ticed in almost all the dykes . In most of the cases , the amphibole appears to be rich in ...
... developed- ' herring - bone ' structure due to complex twinning . Secondary amphibole and biotite formed at the expense of pyroxene are no- ticed in almost all the dykes . In most of the cases , the amphibole appears to be rich in ...
Page
... developed in a BIF band at the schist belt margin . Chert , ferruginous chert , jasper and haematite layers represent the least metamorphosed bands . The BIF bands show bifurcation / coalescence along their length and contain ...
... developed in a BIF band at the schist belt margin . Chert , ferruginous chert , jasper and haematite layers represent the least metamorphosed bands . The BIF bands show bifurcation / coalescence along their length and contain ...
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 | |
7 other sections not shown
Other editions - View all
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