Records of the Geological Survey of India, Volume 96Geological Survey of India, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 140
... field are early magmatic , and vary in size ( plan view ) from 20 m . x 10 to 1,200 m . x 9 to 13 m . They occur in seven different levels paralleling primary layering in the chrome - rich suite , and change in appearance from fine ...
... field are early magmatic , and vary in size ( plan view ) from 20 m . x 10 to 1,200 m . x 9 to 13 m . They occur in seven different levels paralleling primary layering in the chrome - rich suite , and change in appearance from fine ...
Page 141
... field . The inferred reserves of high grade massive and powdery ore so far estimated in this field are more than seven million tonnes within a depth of 30 m . from the surface . This figure is likely to increase with further exploration ...
... field . The inferred reserves of high grade massive and powdery ore so far estimated in this field are more than seven million tonnes within a depth of 30 m . from the surface . This figure is likely to increase with further exploration ...
Page 142
... field work was carried out during the seasons 1961-62 and 1962-63 , and comprised detailed mapping of the ultrabasic rocks on air photos of scale 1 : 31,680 , large - scale mapping ( with plane table and telescopic alidade ) of the ...
... field work was carried out during the seasons 1961-62 and 1962-63 , and comprised detailed mapping of the ultrabasic rocks on air photos of scale 1 : 31,680 , large - scale mapping ( with plane table and telescopic alidade ) of the ...
Contents
Son Valley in Mirzapur district U P by F Ahmad | 1 |
Some Geological factors influencing the behaviour of | 42 |
The Snout of the Machoi Glacier Kashmir by | 51 |
Copyright | |
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Common terms and phrases
acid actinolite analyses Auden basalt bauxite beds Bilaspur boulders breccia brown cent by weight chemical chert chrome-rich suite chromite chromite deposits clay colour composition concentration conglomerate crystallisation crystals district dolerite dumortierite east epidote exposed faults felspar fine-grained flows folded formation formed fossils fraction friable garnet Geol Geological Survey Ghumarwin glacier grains granite grey Haritalyangar hill horizon igneous ilmenite indicated Konal Kosi laterite layers limestone Lower magma magnetite mapping material metres Middle Siwalik minerals multiple dykes multiple intrusions Mussoorie occur orthopyroxenite overlying Oxide P₂O pebbles pelitic phosphate phosphorus phyllites plagioclase porcellanites Pradesh present pumicite quartz quartzites river rock phosphate samples sandstones scarp sediments seen shales silica silicified Siwalik Siwalik rocks snout soil structure Sukinda Surv Survey of India syncline TABLE Tadpatri thick thin tourmaline types ultrabasic ultrabasic rocks unconformity Upper valley veins Vempalle Vindhyan system volcanic wall rocks zone