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 117
Geological Survey of India. Sources of Phosphorus Some of the most important sources of phosphorus are the following : Apatite It is found mostly in pegmatite veins associated with igneous activities , e.g. , apatite - magnetite veins of ...
Geological Survey of India. Sources of Phosphorus Some of the most important sources of phosphorus are the following : Apatite It is found mostly in pegmatite veins associated with igneous activities , e.g. , apatite - magnetite veins of ...
Page 118
... phosphorus with P2O , content ranging upto 41-42.5 per cent . Apatite is one of the most common accessory constituents of igneous rocks , and according to Rankama and Sahama about 95 per cent or more of the phosphorus of the igneous ...
... phosphorus with P2O , content ranging upto 41-42.5 per cent . Apatite is one of the most common accessory constituents of igneous rocks , and according to Rankama and Sahama about 95 per cent or more of the phosphorus of the igneous ...
Page 119
... Phosphorus mineral Isotypic with Berlinite Al ( PO1 ) Beryllonite Na Be ( PO , ) Triphylite Li ( Fe , Mn ) ( PO , ) Libethenite Cu , ( OH ) ( PO1 ) Herderite Ca Be ( OH ) ( PO ) , Quartz - SiO Trimerite ( Ca. Mn , Be . ) ( SiO . ) ā ...
... Phosphorus mineral Isotypic with Berlinite Al ( PO1 ) Beryllonite Na Be ( PO , ) Triphylite Li ( Fe , Mn ) ( PO , ) Libethenite Cu , ( OH ) ( PO1 ) Herderite Ca Be ( OH ) ( PO ) , Quartz - SiO Trimerite ( Ca. Mn , Be . ) ( SiO . ) ā ...
Contents
Geology of the Vindhyan system in the Eastern part of | 1 |
Some Geological factors influencing the behaviour of | 42 |
5560 | 55 |
Copyright | |
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acid analyses Auden band basalt bauxite beds Bilaspur bodies boulders breccia brown carbonaceous chemical chert chrome-rich suite chromite chromite deposits clay colour composition concentration conglomerate crystallisation crystals district dolerite dumortierite east epidote exposed faults felspar fertilisers fine-grained flows folded formation fossils friable garnet Geol Geological Survey Ghumarwin glacier grains granite grey Haritalyangar hill horizon igneous ilmenite indicated iron Konal Kosi laterite layers limestone limonitised Lower magma magnetite mapping margins material metres Middle Siwalik minerals multiple dykes multiple intrusions Mussoorie nala nodules occur orthopyroxenite overlying Oxide P₂O pebbles pelitic phosphate phosphorus phyllites plagioclase porcellanites Pradesh present psammitic 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 ultrabasic ultrabasic rocks unconformity Upper valley veins Vempalle Vindhyan system volcanic