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Sivaprakash, C. (1982) Physical Conditions of Metamorphism of Calc-Silicate: Rocks from Koduru-Garividi, Andhra Pradesh. Journal of the Geological Society of India, 23 (12). 616-620

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Reference TypeJournal (article/letter/editorial)
TitlePhysical Conditions of Metamorphism of Calc-Silicate: Rocks from Koduru-Garividi, Andhra Pradesh
JournalJournal of the Geological Society of India
AuthorsSivaprakash, C.Author
Year1982 (December)Volume23
Page(s)616-620Issue12
PublisherGeological Society of IndiaPlaceBangaluru, India
Classification
Not set		LoC
Not set
Mindat Ref. ID17635387Long-form Identifiermindat:1:5:17635387:4
GUID0
Full ReferenceSivaprakash, C. (1982) Physical Conditions of Metamorphism of Calc-Silicate: Rocks from Koduru-Garividi, Andhra Pradesh. Journal of the Geological Society of India, 23 (12). 616-620
Plain TextSivaprakash, C. (1982) Physical Conditions of Metamorphism of Calc-Silicate: Rocks from Koduru-Garividi, Andhra Pradesh. Journal of the Geological Society of India, 23 (12). 616-620
In(1982, December) Journal of the Geological Society of India Vol. 23 (12). Geological Society of India
Abstract/NotesCalc-silicate rocks with the assemblage calcite + K feldspar + quartz + wollastonite + diopsidess + scapolite + sphene ± grossular-andradite ± hornblende ± magnetite ± zoisite occur associated with metasedimentary manganese deposits at Garividi in Vijayanagaram district of Andhra Pradesh. From the mineral assemblages the temperature, pressure and composition of an ideally mixed H2O-CO2fluid phase during metamorphism have been derived for the following mineral reactions:

Calcite + Quartz = Wollastonite + CO2.

Grossular + Quartz = Anorthite + Wollastonite.

Tremolite + 3 Calcite + 2 Quartz = 5 Diopside + 3 CO2 + H2O.

For the analysed mineral compositions temperatures of the order of 700 ± 50°C and pressures of 7 ± 1 kb have been estimated. Mole fraction of H2O dnring metamorphism was at least 0.6. Fluid compositions appear to have been internally buffered during metamorphism.

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Locality Pages

LocalityCitation Details
Garividi deposit, Vizianagaram District, Andhra Pradesh, India

Mineral Occurrences

LocalityMineral(s)
Garividi deposit, Vizianagaram District, Andhra Pradesh, Indiaⓘ Amphibole Supergroup, ⓘ Andradite-Grossular Series, ⓘ Calcite, ⓘ Diopside, ⓘ K Feldspar, ⓘ Magnetite, ⓘ Scapolite, ⓘ Titanite, ⓘ Wollastonite, ⓘ Zoisite

See Also

These are possibly similar items as determined by title/reference text matching only.

Sivaprakash, C. (1981) Petrology of calc-silicate rocks from Koduru, Andhra Pradesh, India. Contributions to Mineralogy and Petrology, 77 (2) 121-128 doi:10.1007/bf00636516
Sivaprakash, C. (1984) Petrology of Sillimanite Gneisses from Garividi, Andhra Pradesh. Journal of the Geological Society of India, 25 (11). 735-743
Rao, G. V. (1971) Contact Metamorphic Skarns in Calc-Granulite at Garividi, Srikakulam District, Andhra Pradesh. Journal of the Geological Society of India, 12 (2). 184-185
Bhattacharyya, C. (1974) Calc-Silicate Skarns from Chinnabantupalli, Srikakulam District, Andhra Pradesh. Journal of the Geological Society of India, 15 (2). 158-164
Choudhuri, R., Banerji, K. C. (1974) On Some Calc-Silicate Rocks Around Sitarampuram, in Visakhapatnam District, Andhra Pradesh. Journal of the Geological Society of India, 15 (1). 48-57
Rao, J. S. R. Krishna (1966): Association of manganese ores and calc-​granulites from Koduru, Srikakulam district, Andhra Pradesh. Quarterly Journal of the Geological, Mining and Metallurgical Society of India 38(2), 121-123.
Sivaprakash, C. (1981) Mineralogy of manganese deposits of Koduru and Garbham, Andhra Pradesh, India; reply. Economic Geology, 76 (8) 2261 doi:10.2113/gsecongeo.76.8.2261
Sivaprakash, C. (1980) Mineralogy of manganese deposits of Koduru and Garbham, Andhra Pradesh, India. Economic Geology, 75 (7) 1083-1104 doi:10.2113/gsecongeo.75.7.1083
Pichamuthu, C. S. (1982) Book review - Geology and Mineral Resources of Andhra Pradesh. Journal of the Geological Society of India, 23 (4). 205
Rao, A. T., Appa Rao, G., Prabhakara Rao, P. (1979) Fluorian allanite from calc-granulite and pegmatite contacts at Garividi, Andhra Pradesh, India. Mineralogical Magazine, 43 (326) 312 doi:10.1180/minmag.1979.043.326.17
Bhattacharyya, Samit (1986) Mineral Chemistry and Petrology of the Manganese Silicate Rocks of Vizianagaram Manganese Belt, Andhra Pradesh. Journal of the Geological Society of India, 27 (2). 169-184
 
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