 | | Journal (article/letter/editorial) | | Manganese Silicate Rocks (Gondite) of Gowari Wadhona, Madhya Pradesh, India SUP~IYA RoY and P . K . PURKAIT...Geological Sciences, Jadavpur University, Calcutta-32, India Received July 8, 1968 Abstract. Manganese silicate...Group of Precambrian age in India. The manganese silicate rocks of Gowari Wadhona occupy the westernmost flank...lower oxides of manganese) with minor apatite, plagioclase, calcite, dolomite and microcline. A complete...concluded that the manganese silicate rocks of Gowari Wadhona were originally l~id down as sediments comprising |  | | Journal (article/letter/editorial) | | Glenmacnass, Co. Wicklow, sillimanite, 763 Rosses district, Donegal, beryl, 328 Three Rock Mtn, San@ford...yttrotungstite, raspite, stolzite, 261 Bau mining district, Sarawak, antimonian idoerase, 894 Tapah, Kinta...margarite, staurolite, IO6 India Bhopal, levyne, 527 Ghoriajor, Sundargarh District, Orissa, blanfordite,... Gujarat, blandfordite, 32 Kacharwali, Nagpur District, Maharashtra, blanfordite, 32 Khetri copper belt... South Arcot District, Madras, ferroan gahnite, 528 Maruturu Anakapatle, Andhra Pradesh, sahlite, 377 |  | | Journal (article/letter/editorial) | | identificationsby X-ray powder 3, superficialdeposits. The division 3 in Park's analyses. A few, however,have dependedon...y)deposits (Japanesedeposits). Similarly, the division of Hypogeneveinsconsisting of manganese minerals...other metals,have resented by silicate-oxide (India), sulfide-carbonate-been describedfrom different...U.S. A. (Hewett and metamorphism and hence the division of "meta- Fleischer,1960) are mainly madeup of...Ward mine, Dona Ana County,Black Diadepositsdiscussed above, rhodochrosite, generally mond mine, Grand |  | | Journal (article/letter/editorial) | | Aegirine-augite, Scotland, anal., 819; manganoan, India, anal., opt., X-ray, paragenesis, 32 Agrinierite...ASWATHANARAYANA(U.), see RAO (V. DIVAKARA), 678 Auburn mine, Minnesota, stilpnomelane, 693 AUCOTT(J. W.), see...hour-glass structure in, interpretation of, 251; India, with Ca-rich pigeonite, 975; Greenland, anal.,...pseudomorphous after BABU (S. K.), Chlorapatite from India, 972 manganite, 245 BALDANZA(B.) and LEVI-DONATI(G...VANCE (E. R.), 605, manganese ores, 235 Bau mining district, Sarawak, Malaysia, anti721 monian idocrase, 894 |  | | Journal (article/letter/editorial) | | rigid definitions,the depositsof Madhya Pradesh-Maharashtrabelt, India, Otjosondu, S.W. Africa and Mount... sulfides. The metamorphosed formationsat Nsuta mine area, Ghana, Ti•r•, French West Africa, SimsiS,...around Kodur, Srikakulam District and Goldongri, Panch Mahal District, India, are type kodurites,though...metamorphosed manganiferousformationswas donein India, a comparisonof the Indian formations 1238 METAMORPHIC...ions. METAMORPHOSED MANGANESE FORMATIONS OF INDIA Fermor (10) recognized two differenttypesof metamorphosed |  | Cabral, Alexandre Raphael, Zeh, Armin, Viana, Nívea Cristina da Silva, de Castro, Marco Paulo, Laufek, František, Lehmann, Bernd, Queiroga, Gláucia (2019) Alabandite (MnS) in metamorphosed manganiferous rocks at Morro da Mina, Brazil: palaeoenvironmental significance. European Journal of Mineralogy, 31 (5) 973-982 doi:10.1127/ejm/2019/0031-2879 | Journal (article/letter/editorial) | | latter consists mostly of hornblende with quartz, plagioclase and garnet, which originated from regional metamorphism...collected from the ore pile of the Morro da Mina mine. Polished sections were prepared for reflected-light... 1. Location of the Morro da Mina manganese-ore mine and distribution of greenstone belts in the Quadrilátero...manganese ore deposits of the Queluz (Lafayette) district, Minas Geraes, Brazil. Am. J. Sci., 12, 18–32...type of the manganese ore deposits of the Queluz district, Minas Geraes, Brazil. Am. J. Sci., 25, 213–216 |  | | Journal (article/letter/editorial) | | from a number of Precambrian shields, including India (e.g. Roy, 1968, 1973, 1981; Roy and Purkait, 1968)...standards were used: kaersutite, almandine, plagioclase, rhodonite, biotite and benitoid. Data reduction...Ghana: Tirodite, Actinolite "l'irodite A Sausar Fm., India: -Iirodite FIG. 4. Plot of Na+Ca in M(4) vs. (Fe+Mn)/(Fe+Mn+Mg)...et aI. (1988, Sausar Fm.). gondites of Chikla, India (Dasgupta e t al., 1984). Mn-rich ilmenite with...of Koduru (Sivaprakash, 1980) and Kajilidongri/India (Bhattacharya et al., 1984). Hollandite is stable |  | B HN, B., OKRUSCH, M., WOERMANN, E., LEHNERT, K., HOERNES, S. (1995) Metamorphic Evolution of Neoproterozoic Manganese Formations and their Country Rocks at Otjosondu, Namibia. Journal of Petrology, 36 (2) 463-496 doi:10.1093/petrology/36.2.463 | Journal (article/letter/editorial) | | predominantly of (Ba, K, Na)-feldspar, and minor plagioclase and quartz. Variable amounts of braunite, clinopyroxene...horizons (type F) are quartz, K-feldspar, rare plagioclase and biotite, and accessory zircon. Haematite-rich...layers in the gneisses contain the assemblages plagioclase + biotite + clinopyroxene + quartz; sillimanite...sillimanite may be present in appreciable quantities; plagioclase and (secondary) muscovite are rare. The iron...aegirine; Mg-rieb, magnesio-riebeckite; plag, plagioclase; bt biotite; sill, sillimanite; hbl, hornblende; |  | | Book | | Mineral Deposits Natural Resources and Energy Division, U.N. Department of Technical Co-operation for...Data United Nations. Natural Resources and Energy Division. The development potential of precambrian mineral...prior to the meeting and the Sludyanka phlogopite mine at Irkutsk afterwards. Precambrian Mineral Deposits...studies in beneficiation and metallurgy, design of mine and process plant, and, last but not least, the...evidence on the origin of the Shamrock v 11 N o copper mine, Rhodesia", Min. Deposits« > « 3 , pp. 298-310. |  | | Book (edition) | | Sciences, Jadavpur University, Calcutta - 700 032, India TU Bergakademie Freiberg, Institute of Mineralogy...Polysynthetic twins are lamellar (optically similar to plagioclase in the thin section). They may be observed under... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey |  | | Book (volume) | | blebby exsolved Ca-rich clinopyroxene in olivine-plagioclase orthocumulate, Skaergaard intrusion, east Greenland...polars x60. D. Orlhopyroxene with exsolved plagioclase lamellae, Nain anorthosite, Labrador. Crossed...the United States of America by Halsted Press, a Division of John Wiley & Sons, Inc. New York First Edition...and chemistry of the formation ofclinopyroxene-plagioclase symplectite from omphacite. Neues Jahrb. Min...adopted it is not completely followed here, and the division between enstatite and bronzite, and between eulite |  | | Book | | shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases from...which it enclosed. Additional patterns show plagioclase corroded and replaced by later magnetite which...other cases a pyroxene rim is formed between the plagioclase and the magnetite which might represent a reaction...abundant in arsenopyriterich samples from Wongabah Mine, characteristically forming aggregates of fibrous...symplectic intergrowth of worm-like quartz bodies in plagioclase which is in contact with K-feldspar. Becke and |  | | Report (volume) | | low-temperature and highpressure equivalent of Ca-rich plagioclase, and thus are equally important as this feldspar...Grapes 1981; Cooper 1980; Challis et al. 1995; India by Devaraju et al. 1999; Spain by Sánchez-Viscaíno...other potential Sr2+ carriers such as calcic plagioclase are stable. However, in very Sr2+ rich rock compositions...check for distribution in coexisting pyroxene, plagioclase, carbonate, and apatite; for Cr-rich epidotes...very low, and when the pressure is too high for plagioclase to crystallize, zoisite (with minor amounts of |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Miami University, Oxford, Ohio. W. Barclay Kamb: Division of Geol. and Planetary Sci., Cal. Inst. of Tech...first consideration in generating the numbers was division into classes based on composition or, in the case...Siberia ae SS shes] TM REED eS SL China and Japan 10. India 11. South east Asia 12. Middle East 13. African...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...wolframite (ferberitehiibnerite). The members of the plagioclase series are also separately listed: andesine,...represents the class, the second (alphabetic) a division. Often the names of generally used mineral groups...detailed using five characters: for a class, a division, a subdivision, and two numeric digits at the...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |
|
