Records of the Geological Survey of India, Volume 114, Part 2The Survey, 1984 - 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 30
Pure fraction of plagioclase from the hornblende schist could not be obtained for
analysis . 0.19/2800 The plagioclase in the amphibolites are mostly altered to
minute flakes of sericite . It becomes difficult to 0.0 1.0 1.5 2.0 Aliv 1.5 vi iv Fig . 6.
Pure fraction of plagioclase from the hornblende schist could not be obtained for
analysis . 0.19/2800 The plagioclase in the amphibolites are mostly altered to
minute flakes of sericite . It becomes difficult to 0.0 1.0 1.5 2.0 Aliv 1.5 vi iv Fig . 6.
Page 31
There is no marked optical and silica released from plagioclase are trapped by
sericite chemical differences in the plagioclases of schistose and ( Emmons ,
1953 ) . It is also said that sericitization massive amphibolites . Absence of
twinning in ...
There is no marked optical and silica released from plagioclase are trapped by
sericite chemical differences in the plagioclases of schistose and ( Emmons ,
1953 ) . It is also said that sericitization massive amphibolites . Absence of
twinning in ...
Page 60
Incipient alteration to sionally conspicuous with phenocrysts of microcline .
seriçite and scapolite is occasionally noticed . The smaller microperthite and
nepheline . A weak to distinct foliagrains are usually very fresh and show lamellar
...
Incipient alteration to sionally conspicuous with phenocrysts of microcline .
seriçite and scapolite is occasionally noticed . The smaller microperthite and
nepheline . A weak to distinct foliagrains are usually very fresh and show lamellar
...
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Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 19 |
Copyright | |
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Common terms and phrases
actinolite amount amphiboles analysis assemblage associated average Bankura basement basic Bihar Biotite chemical collected colour composition contain crystals deposit depth detailed distribution district east Eastern Electron elements field Formation geochemical Geol Geological Survey gneiss gold grains granite green higher hill hornblende schist host igneous increase indicated jacobsite Kharswan lower manganese massive amphibolites McCluskieganj meta-basic rocks metamorphic metres minerals namadicus Narmada nepheline observed occur plagioclase Pleistocene present present area quartz Quartzite range ratios recorded Region representative respectively river rocks samples schistose amphibolite sediments sericite shales similar Singhbhum specimens stratigraphic stream strip structural surface Survey of India syenites temperature texture tion trend types unit Upper valley values variation varies various vein-quartz veins West West Bengal X-Ray
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 114, Part 2 Memoirs of the Geological Survey of India |
| Contributor | Geological Survey of India |
| Publisher | The Survey, 1984 |
| Original from | the University of California |
| Digitized | 27 Sep 2016 |
| Export Citation | BiBTeX EndNote RefMan |