Records of the Geological Survey of India, Volume 72The Survey, 1937 - 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 80
... place . On the north side of the Sutlej valley a prominent sill of augen- gneiss is intruded concordantly into the Chail ... places , and visible from Simla towards the north . It is bordered by an acid phase locally rich in tourmaline ...
... place . On the north side of the Sutlej valley a prominent sill of augen- gneiss is intruded concordantly into the Chail ... places , and visible from Simla towards the north . It is bordered by an acid phase locally rich in tourmaline ...
Page 95
... places they contain potash felspar and mica , and in such cases it is difficult to distinguish them from varieties of vein - quartz grad- ing into pegmatite , which contain similar felspar and mica . In most cases , however , it seems ...
... places they contain potash felspar and mica , and in such cases it is difficult to distinguish them from varieties of vein - quartz grad- ing into pegmatite , which contain similar felspar and mica . In most cases , however , it seems ...
Page 155
... places fused with the surrounding rock , producing a hybrid or mixed rock , in other cases the two rocks have ... place at the end of the volcanic period , to account for the presence of derived pieces and pebbles of so many of the units ...
... places fused with the surrounding rock , producing a hybrid or mixed rock , in other cases the two rocks have ... place at the end of the volcanic period , to account for the presence of derived pieces and pebbles of so many of the units ...
Contents
Part 1 | 3 |
The Snout of the Gangotri Glacier Tehri Garhwal By J B Auden | 7 |
ADMINISTRATIVE CHANGES | 10 |
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ankerite Assam Attock bakelite band beds Bihar biotite boulangerite bournonite Burma Burzil calc-gneisses Calcutta cement cent Central Provinces chalcopyrite clay coal Cretaceous cwts Danta deposits district east Eastern States Agency Eocene epidiorite Erinpura granite feet felspar fossils galena Gangotri Geol Geological Survey gersdorffite Ghundai Tarako gneisses granite grey Hills Idar India intrusions Isa Khel Journ Kashmir limestone lode lower Manganese-ore marble Messrs metamorphism Mica Middlemiss miles minerals Mining north-east north-west North-West Frontier Province occur outcrops output P. L. Renewal Panjal pegmatite Petroleum phyllites Plate polishing production Punjab pyrite Quantity quartz quartzites replaced Rhacopteris river rocks Sahni sand sandstones seam Section Septem shales Shan sheet Sivapithecus Siwaliks slates specimens sphalerite strata Surv Survey of India syncline Tarako Tertiary tetrahedrite tons valued Tura Upper valley veins volcanic Waziristan wolfram