 | | Journal (article/letter/editorial) | | Petrology of Calc-Silicate Rocks from Koduru, Andhra Pradesh, India C. Sivaprakash Geological Department...Ltd., 121, Maharshi Karve Road, Bombay 400020, India Abstract. Mineral asscmblages, rock and mineral...calc-silicate rocks from K o d u r u area, A n d h ra Pradesh, India are discussed. Mineralogical and bulk chemical...originated as mixtures of limestone/dolomite/marl. Diopside was produced by a reaction involving Ca-amphibole...calc-silicate rocks form huge outcrops whereas in the Koduru and Sadanandapuram manganese quarries the calc-silicate |  | | Journal (article/letter/editorial) | | (Imataca, Venezuela) and similar M n ores (Kodur, India). Stratiform sulphides of marine-volcanic associations...concentrations of sedimentary affiliation (10) Kodur, India Stratiform sulphides of marine and marine-volcanic...stratigraphic mine sequence horizon, other mineral deposits can be found both above and below the mine sequence...Adirondacks of New York State, U.S.A., and the Egersund district of Norway. In contrast to the large deposits found...orthopyroxene and fayalite and Fe calcsilicates such as diopside, hedenbergite and wollastonite are stable (Dorr |  | | Journal (article/letter/editorial) | | Mn-carbonate-silicate rocks from the Eastern Ghats Belt, India SUBIR MUKHOPADHYAY1, SUPRIYA ROY1, MASATO FUKUOKA2...Sciences, Jadavpur University, Calcutta 700032, India * Corresponding author, e-mail: sdg@cal3.vsnl.net...Mn-silicate-carbonate rocks from the Eastern Ghats Belt, India, were metamorphosed under ultrahigh temperatures...falls within the Eastern Ghats granulite belt, India (Fig.1), one of the few documented high-grade terrains...occur in a linear belt near Garividi, Garbham, Koduru and Kottakara in the area around Vizianagram (Fig |  | | Journal (article/letter/editorial) | | Australia Abstract. Scapolite, wollastonite, calcite, diopside, grossular-andradite garnet and sphene occur in...Antarctica, contains scapolite, wollastonite, calcite, diopside, quartz and sphene; this assemblage also indicates...calcite = = = = Di Ga Ge Gr Me PI Q Sc V Wo Zo = diopside garnet gehlenite = grossular = meionite = plagioclase...Creek Mobile Belt Sri Lanka Andra Pradesh. India Nanga Parbat, India Malagasy Baffin Island, Canada Ellesmere...collected from the Mount Milton locality consists of diopside, scapolite (meionite, approx. [AnWAbl&. CaC03 |  | | Journal (article/letter/editorial) | | genesis of Nishikhal manganese ores of South Orissa, India Received: 14 March 1995 / Accepted: 11 April 1996...Precambrian Eastern Ghats complex of south Orissa, India. Manganese minerals recorded are cryptomelane, romanechite...manganese formation at Nishikhal, south Orissa, India, occurs in a high grade metamorphic terrain (granulite...Research Laboratory (CSIR) Bhubaneswar-751 013, India plex of Precambrian age. The Nishikhal deposit...koduritic manganese ores of the Srikakulam district, Andhra Pradesh. Kodurite represents a hybrid rock consisting |  | | Report (issue) | | खननज संसाधन GEOLOGY AND MINERAL RESOURCES OF SOUTH INDIA विशेष प्रकाशन संख्या 118 पहला संस्करण SPECIAL PUBLICATION...प्रकाशशत Published by the order of the Government of India 2021 . © भारत सरकार PGSI-439 नियंत्रक प्रकाशि...खननज संसाधन GEOLOGY AND MINERAL RESOURCES OF SOUTH INDIA विशेष प्रकाशि संख्या 118 - पहला संस्करण SPECIAL...SURVEY OF INDIA भारत सरकार के आदेश से प्रकाशशत Published by the order of the Government of India 2021 ©... © INDIA, GEOLOGICAL SURVEY (2021) Compiled by Shri K. Mahender Reddy, Director (Retd.) and Dr. R. Bharathi |  | | Report (Issue volume) | | GEOLOGY OF INDIA खंड III दविणी भारत का इकनोवमक भूविज्ञान VOLUME-III ECONOMIC GEOLOGY OF SOUTHERN INDIA विशेष... भारतीय भूिैज्ञावनक सिेिण GEOLOGICAL SURVEY OF INDIA 2022 © भारत सरकार PGSI-447 नियंत्रक प्रकाशि...GEOLOGICAL SURVEY OF INDIA भारत के भूविज्ञान का मैनुअल A MANUAL OF GEOLOGY OF INDIA खंड III दविणी भारत...भूविज्ञान VOLUME-III ECONOMIC GEOLOGY OF SOUTHERN INDIA विशेष प्रकाशन सं.77 SPECIAL PUBLICATION No. 77...Published by the order of the Government of India 2022 © INDIA, GEOLOGICAL SURVEY (2022) Compiled by Shri |  | | Journal (article/letter/editorial) | | ADJACENT HIGH GRADE METAMORPHIC TERRAINS OF PENINSULAR INDIA A STUDY IN SIMILARITY AND CONTRAST S.C. S A R K...Sciences, Jadavpur University, Calcutta 700032 (India) (Accepted October 2, 1987) Abstract Sarkar, S...adjacent high grade metamorphic terrains of Peninsular India -- a study in similarity and contrast. Precambrian...adjacent areas of Tamil Nadu and Andhra Pradesh in Peninsular India are characterized by sublinear 'greenstone...aspects of the Precambrian geology of Peninsular India. Interest in t h e m has never been exhausted, ever |  | | Journal (article/letter/editorial) | | Grenville Province in Ontario and the Satnur area of India (Moecher et al, 1991). GRANULITE PRESSURE-TEMPERATURE-FLUID...control of fOl in calc-silicate granulites from Koduru, India, through the reaction 4Hd + 2Wo + O 2 = 2And...symplectites (Figs. 6 and 7). All are essentially diopside-hedenbergites (salite) with minor CaMnSi 2 O 6...complex system reactions consuming garnet. (2) Diopside (Di)-hedenbergite (Hd) clinopyroxene components...Arunta McLeod Nunataks, Enderby Land Koduru, Andhra Pradesh, India Bolingen Islands, Antarctica Serre Massif |  | | Journal (article/letter/editorial) | | were collected on the 2500level of the Balmat No. 4 Mine and provided for our study by John T. Johnson and...donpeacorite is 2.2lEA, and kanoite and manganoan diopside yield 2.2994 and 2.495A, respectively. The value...(197E)Sphalerite geobarometry in the Balmat-Edwards district, New York. crystallographic observations of synthetic...the granulites of Namakal, Tamil Nadu (Madras), India. Mineralogical Magazine, 40, 7E8-790. Ohashi, Y...Mineralogy of manganesedeposits of Koduru and Garbham, Andhra Pradesh, India. Economic Geology,75, 1083-1104 |  | | Journal (article/letter/editorial) | | Zimbabwe Mining Development Corporation, Buona Fortuna Mine, Box 268, Chiredzi, Zimbabwe. 0301-9268/88/$03...Microcline Plagioclase Scapolite Epidote Grossularite Diopside Hornblende Tremolite Actinolite Biotite Phlogopite...contain some calcite, together with minor amounts of diopside, tremolite and phlogopite, but are noticeably...lepidoblastic brown biotite is a major constituent. Diopside is absent, and calcite is less abundant than in...plagioclase (An32_35), scapolite (Me6o), quartz and diopside. Biotite is pres- Massive calc-silicate rocks |  | | Journal (article/letter/editorial) | | calc-silicate granulites of Rayagada, Eastern Ghats, India: implication for the isobaric cooling path Received:...indepth studies of this rock type from Eastern Ghats, India have also been reported in recent years (Dasgupta...geological map around Rayagada, Eastern Ghats, India, modified after Shaw (1996) showing the occurrences...Clinopyroxene from all three groups is mostly diopside—hedenbergite solid solution (Table 4). Other components...spatially closer to the present study area (as per India-Antarctica reconstruction of Grew and Manton 1986) |  | | Report (issue) | | ���IRCf) f���I SItCf)I�F1 44 . GEOLOGICAL SURVEY OF INDIA SPECIAL PUBLICATION 44 ...PUBLISHED BY ORDER OF THE GOVERNMENT OF INDIA 1998 © INDIA, GEOLOGICAL SURVEY (1998) Published by...by Director General Geological Survey of India 27, lawaharlal Nehru Road CaIcutta-7000 16 Editorial Board...General Operation - IV, CHQ Geological Survey of India 29, 1. L. Nehru Road, Calcutta-7000 16 Layout...linking India with Sri Lanka, Madagascar and Allf{/}"clim, Severnl �eJ1lillarS held recently in India have |  | Yang, T.N., Li, J.Y., Liang, M.J., Wang, Yu (2015) Early Permian mantle–crust interaction in the south-central Altaids: High-temperature metamorphism, crustal partial melting, and mantle-derived magmatism. Gondwana Research, 28 (1) 371-390 doi:10.1016/j.gr.2014.05.003 | Journal (article/letter/editorial) | | that are CE P intercalated with garnet- and diopside-bearing paragneiss and minor marble (Figs. 4a...four of the minerals quartz, garnet, plagioclase, diopside, wollastonite, scapolite, and calcite; accessory...displays intergrowth with epidote, calcite, and minor diopside. (2) In the quartzites, the quartz forms a groundmass...garnet + diopside + plagioclase, (2) garnet + diopside, or (3) garnet + wollastonite + diopside (Fig. 5)...highly irregular, even vermicular, boundaries. Most diopside is set in poikiloblastic garnets as isolated, |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...geological environment. solidified. In some basalts of India and Brazil, these cavities are large enough for...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm | | | Book | | periods of stability PLANET | 114 San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 om are uncommon...geological environment. solidified. In some basalts of India and Brazil, these cavities are large enough for...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26x 16 cm 22...* 20 x 18 x 14. cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1x 1 om Acicular...hematite with iridescent limonite coating, Parcocha Mine, Bilbao, Spain * 19 x 19 x 16 cm Goethite, Tintic |  | | Journal (article/letter/editorial) | | retrograde coronas and symplectites. Both types are diopside-hedenbergite solid solutions with variable extents... There is a large inter-specimen variation in diopside-hedenbergite proportions, which correlates with...facies: some evidences from the Eastern Ghats, India. Neues Jahrbuch fur Mineralogie Abhandlungen, 118...Petrology of calc-silicate rocks from Koduru, Andhra Pradesh, India. Contributions to Mineralogy & Petrology |  | | Journal (article/letter/editorial) | | Vietnam Eastern Ghats Province, India Palghat Cauvery Tectonic Zone, India Southern Granulite terrain (including...(including Madurai Block), India Kerala Khondalite Belt, India Highland Complex, Sri Lanka Warumpi Province...press); (d) scapolite isolated from wollastonite and diopside by a corona of grossular garnet. Adapted from...in a granulite complex from the Eastern Ghats, India. Contributions to Mineralogy and Petrology 143 (2)...high-temperature calcareous granulites from the Eastern Ghats, India — evidence for isobaric cooling, fluid buffering |  | | Book | | of a pegmatite dyke at the Himalaya mine in the Mesa Grande district, California. From a crystal 19 mm....+ ,J,',r',/ Vz433 'V Olsen 1977 055010 V. India Mero x <-II 055010 I V. ., I /~ + j!. Nor0dol...observed by Y osimura (1936) at the Kaso manganese mine, Japan. Spencer (1942) listed the occurrences of...CaO, 2.0% NazO and 0.7% KzO from the Broken Hill district, Australia. These specimens could be described...zone of lava flows at the Sulphur Bank quicksilver mine, Lake County, California. It is named after the |
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