Records of the Geological Survey of India, Volume 124, Parts 7-8

aeolian alluvial Alluvium amphibolite associated bands basalt base basin belt block boreholes brown carried channel clay collected Complex comprises construction continued covered deposits depth detailed developed dips direction district Division dolomite drilling dunes exploration exposed extension fault field flood flows folds Formation foundation Garhwal geological geological mapping gneiss gold grade grained granite grey Group holes indicate intersected joints length lignite limestone located Lower major material medium mica mineral mineralisation observed occur Older phyllite places plain present Project proposed quartz quartzite Quaternary Rajasthan range Recent recorded regional represented respectively river rocks samples sand sandstone scale schist sediments sequence shale shear silt slate slope soil strike structures studies suggested surface surveys taken Terrace thermal thick thin tion trending tunnel types units upper Uttar Pradesh valley values varying veins zone