Records of the Geological Survey of India, Volume 108
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.
Engineering Geology Division
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alignment analysed anomaly associated bands bank bauxite biotite block boreholes carried channel Circle clay collected comprising consists construction continued copper cores covered deposits depth detailed developed dips direction Director DISTRICT Division drill holes drilling dykes east Eastern encountered examined exploration exposed extension fault field flows folds Formation foundation Garhwal geological mapping Geologist gneiss grade grained granite graphite grey Group hill indicated intrusives joints laboratory length limestone located logged major mica million mineralisation minerals occur officers pegmatite phyllite pits plane power house Pradesh prepared present Project proposed quartz quartzite ranging recommended Region reported reserve river rock samples sand sandstone Sarvashri scale Scheme schist sediments sequence sericite shale shear Shri soil sq km strike structure studies suggested surface surveys thick thin tonnes traverse trending tunnel types units Upper valley varies veins zone