 | | Journal (article/letter/editorial) | | Fluorine-rich clinohumite from Ambasamudram marbles, Southern India: mineralogical and preliminary FTIR...in the marbles of granulite grade at Ambasamudram, southern India. Detailed mineralogical and mineral...clinohumite. The high fluorine content of the Ambasamudram clinohumites possibly resulted from the isochemical...KEYWOROS: fluorine, clinohumite, mineralogy, FTIR, India, humite. Introduction THE humite-group consists...segment of M. SATISH-KUMAR AND N. NIIMI southern India is a vast metasupracrustal terrain. This belt is |  | Janardhan, A.S., Sriramguru, K., Basava, Sharana, Shankara, M.A. (2001) Geikielite-Mg.Al.Spinel -Titanoclinohumite Association from a Marble Quarry near Rajapalaiyam Area, Part of the 550 Ma Old Southern Granulite Terrain, Southern India. Gondwana Research, 4 (3) 359-366 doi:10.1016/s1342-937x(05)70335-x | Journal (article/letter/editorial) | | 550 Ma Old Southern Granulite Terrain, Southern India A.S. Janardhan, K. Sriramguru, Sharana Basava and...University of Mysore, Manasagangotri, Mysore - 570 006, India (Maquscript received ] m e 24,2000; accepted September...Chu-Fo-Mg.Al Spl assemblage reported from the Ambasamudram area by Pradeepkumar and Krishnanath (1996)...shows the RajapaIaiyam (area of present study), Ambasamudram localities along with sapphirine bearing localities...Cardamom, AMBVarushanad and Kodaikanal Hill ranges. Ambasamudram; AND-Andipatti; KBM-Kambam; KODSapphirine bearing |  | | Journal (article/letter/editorial) | | Metacarbonates from the Kerala Khondalite Belt, Southern India M. Satish-Kumarl, H. Wadal and M. Santosh2 Department...metasupracrustal granulite facies terrain in southern India comprising garnet-biotite gneiss, garnet-sillimanite...localities show contrasting evolutionary trends. The Ambasamudram marbles exhibit carbon and oxygen isotope ratios...localities in the Kerala Khondalite Belt, southern India. We also discuss the contrasting fluid evolution... CARBON AND OXYGEN ISOTOPES IN METACARBONATES, S. INDIA a 379 880 700 v g 840 fn c E I- 800 600 |  | | Journal (article/letter/editorial) | | granulite facies humite-marbles from Ambasamudram, southern India. M . S A T I S H - K U M A R , 1 H....horizon within a supracrustal sequence at Ambasamudram, southern India, was studied using petrological and...metamorphic temperatures of 775¡73uC, based on calcite-graphite carbon isotope thermometry, the mineral assemblages...isotopic resetting. Isotopic zonation of calcite and graphite grains was likely produced by localized CO2 ¯uid...to retrograde aqueous ¯uid in®ltration, the Ambasamudram humite-marbles record a prograde-to-peak metamorphic |  | | Report (chapter) | | Proterozoic crustal evolution of southernmost India and Sri Lanka I N G O B R A U N t & L E O M. K R...Finland Abstract: The Southern Granulite Terrain of India comprises four Proterozoic domains (from north to...tectonothermalevolutionfor the lower crustal domains of southern India, Sri Lanka and the Liitzow-HolmBay of Eastern Antarctica...Alternativeviews are discussed. Most of Peninsular India and Sri Lanka exposes Precambrian crust which was...Phanerozoic times, respectively. The crustal evolution of India during these periods has mainly affected two high-grade |  | | Journal (article/letter/editorial) | | Neoproterozoic Southern Granulite Terrain, South India Bénédicte Cenki a,∗ , Leo M. Kriegsman b a b ...Abstract Geological correlations between South India and adjacent Gondwana fragments are hampered by...All rights reserved. Keywords: Gondwana; South India; Tectonics; Granulites; Pan-African age 1. Introduction...of local field data by the Geological Survey of India. However, recent discussions highlight the poor...displacement. Fig. 1. Simplified geological map of South India and the location of the study area (modified after |  | | Journal (article/letter/editorial) | | in calc-silicate rocks of the Tarryall Springs district, Park County, and is reported from the Creswell...Hyndman, Custer County, Idaho, and the Victorio district, Luna County, New Mexico. In Arizona, chondrodite...Formation in the Johnson Camp area of the Cochise district, Cochise County (Anthony et al. 1995). Minor chondrodite...1983). It has also been reported from the National Graphite mine, Monteagle Township; the warwickite occurrence...and the York River skarn, all in the Bancroft district, Hastings County, Ontario. “Altered limestone” |  | Hansen, E. C., Janardhan, A. S., Newton, R. C., Prame, W. K. B. N., Ravindra Kumar, G. R. (1987) Arrested charnockite formation in southern India and Sri Lanka. Contributions to Mineralogy and Petrology, 96 (2) 225-244 doi:10.1007/bf00375236 | Journal (article/letter/editorial) | | 1987 Arrested eharnoekite formation in southern India and Sri Lanka E.C. Hansen 1, A.S. Janardhan 2, R...Geology, University of Mysore, Karnataka, 570006, India 3 Department of Geophysical Sciences, University...Earth Science Studies, Trivandrum, Kerala, 695010, India Abstract. Arrested prograde charnockite formation...widespread in the high-grade terrains of southern India and Sri Lanka. Two major kinds of orthopyroxene-producing...as at Kabbal, Karnataka, and in the Kurunegala District of the Sri Lanka Central Highlands. Chemical and |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | horizons from the granulite facies terrane of southern India were examined in detail for stable carbon and oxygen...oxygen isotopes in calcite and carbon isotopes in graphite. The marbles in Trivandrum Block show coupled...x10ù) for graphite indicating varying carbon isotope fractionation between calcite and graphite, despite...carbon isotope zonation preserved in graphite suggests that the graphite crystals precipitated/recrystallized...fO2 conditions during metamorphism. The onset of graphite precipitation resulted in a depletion of the carbon |  | | Journal (article/letter/editorial) | | calc-silicate–charnockite associations from southern Kerala, India: implications for CO2 influx M. SATISH-KUMAR* &...Akkulam, Thuruvikkal Post, Trivandrum 695 031, India (Received 10 October 1996; accepted 9 September...terrain of the Kerala Khondalite Belt, southern India, provides an opportunity to evaluate the carbonic...occurred along a near-isothermal uplift path. Graphite-bearing pegmatitic dykes with abundant CO2-rich...1995). The granulite facies terrains of southern India and Sri Lanka have been the focus of many studies |  | Reddy, K. Mahender, Mishra, Niharika, Simi, T. S., Rath, Sonali, Paul, Arijit, Sari, S. (2023) Special Publication Vol. 1-I (77), A Manual of the Geology of India : Precambrian Part I, Southern part of the peninsula (5th ed.) Geological Survey of India | Report (edition) | | © INDIA, GEOLOGICAL SURVEY (2023) Compiled by Sri. K. Mahender Reddy, Director (Retd.), GSI, Smt...Published by The Director General Geological Survey of India 27, Jawaharlal Nehru Road Kolkata- 700016 Price...former Directors Generals, Geological Survey of India (GSI), for reposing faith on us by entrusting this...of the publication “A Manual of the Geology of India”(vol-I Part-I), Precambrian of Southern Part of...Additional Director General & HOD Geological Survey of India, Southern Region for providing infrastructural support |  | | Journal (article/letter/editorial) | | infiltration includes those from Madagascar and Southern India (Pili et al., 1997; Satish-Kumar et al., 2001b)...group minerals. Minor but consistent occurrence of graphite is reported. Carbon and oxygen isotope studies...Antarctica - Satish-Kumar et al., 1998; Southern India - Satish-Kumar et al., 2001a). A compilation of...granulite facies humite-marbles from Ambasamudram, southern India. J. Metam. Geol., (in press). Satish-Kumar...mctacarbonates from the Kerala Khondalite Belt, Southern India. Gondwana Res., (in Press). |  | | Journal (article/letter/editorial) | | Carbon isotopic equilibrium between calcite and graphite in Skallen Marbles, East Antarctica: evidence...Carbon isotope thermometry between calcite and graphite has been applied to the granulite facies marble...studies of graphite crystals indicate two types; one smooth, highly reflecting regular shaped graphite and the...dull and irregular shaped graphite. The d13C values of the dull surfaced graphite are lower by about one...the high reflecting graphite. Carbon isotopic compositions suggest that graphite with lower d13C values |  | | Journal (article/letter/editorial) | | rocks from many granulite facies regions, e.g. India (Satish-Kumar, Santosh, Harley, & Yoshida, 1996;...suture Higher Himalayas Tibet 28° Lower Himalayas India JMU Myitkyina TMB Te ng Blo cho ck ng Baoshan...characterized by crustal thinning, resulting from the India–Asia oblique collision. Sensitive high-resolution...AND WP: Western province E. Himalaya Syntaxis India Fig. 2a China Mogok Thabeikgyin WP Mong Long...de marble) KST03 Sakantha marble (laminated graphite-marble) Zayetkwin Kyetsaung Taung marble (coarse |  | | Journal (article/letter/editorial) | | rocks deposited in basins on the northern margin of India, was widely subducted during the Cenozoic [36,37]...a granulite facies humite-marbles in Ambasamudram, southern India, occurred under high X(CO2 ) conditions...high-grade granulite-facies terrains such as southern India [30,31], northeastern Greece [58,60], and central...et al. (2021) [36] reported that the CO2 flux of India–Asia collision-induced metamorphic decarbonation...and CO2 sequestration by carbon precipitated as graphite from a carbon-rich fluid complicates the estimate |  | Schiffbauer, James D., Yin, Leiming, Bodnar, Robert J., Kaufman, Alan J., Meng, Fanwei, Hu, Jie, Shen, Bing, Yuan, Xunlai, Bao, Huiming, Xiao, Shuhai (2007) Ultrastructural and Geochemical Characterization of Archean–Paleoproterozoic Graphite Particles: Implications for Recognizing Traces of Life in Highly Metamorphosed Rocks. Astrobiology, 7 (4) 684-704 doi:10.1089/ast.2006.0098 | Journal (article/letter/editorial) | | Geochemical Characterization of Archean–Paleoproterozoic Graphite Particles: Implications for Recognizing Traces...HUIMING BAO,5 and SHUHAI XIAO1 ABSTRACT Abundant graphite particles occur in amphibolite-grade quartzite...Petrographic thin section observations suggest that the graphite particles occur within and between quartzite clasts...origin. Using HF maceration techniques, the Wutai graphite particles were extracted for further investigation...spectroscopic analysis of a population of extracted graphite discs indicated that they experienced a maximum |  | | Journal (article/letter/editorial) | | calc-silicate rocks (Di+Pl+Kfs+Ttn ±Wo ±Grs ±Cal), graphite quartzites (Qtz+Gr+Kfs+Sil+Ms ±Bt ±Pl) and amphibolites...Medium-grained, silicate-rich grey marble with graphite contains sporadically thin veins consisting of...quartz. Close to the contact with the migmatite, graphite-free marble is white and contains low amount of...Di x t x - - Spinel Spl - t x X x Graphite Gr - - t - - Fluorapatite Ap t x t ...(1998): Fluorine-rich clinohumite from Ambasamudram marbles, Southern India: Mineralogical and preliminary FTIR |  | | Journal (article/letter/editorial) | | predict, however, that 13C/12C ratios in kerogen and graphite increase during this process. Hence, high-T exchange...the d13C values of coexisting calcite (cc) and graphite (gr), i.e. D(cc–gr)=d13Ccc –d13Cgr. D(cc–gr) values...facies). Fig. 6. Distribution patterns of calcite– graphite fractionation D(cc– gr) (Fig. 5) as a function...has been virtually attained at this stage. and graphite during both amphibolite- and granulite-facies...equilibria predict that d13C values in kerogen and/or graphite increase during the exchange process. The marked |  | | Journal (article/letter/editorial) | | coesite or diamond was found in these samples, only graphite flakes in locality 1. Retrograde serpentine and...retrogressed. Micas (phlogopite and phengite) and graphite flakes by their parallel orientation outline a...high-grade granulite facies terrains, like in southern India (Satish-Kumar, 1999), whereas garnet would be stable...et al. (2001) for impure marbles from southern India: Dol þ Ksp þ H2 O→Phl þ Cal þ CO2 ð2Þ We have...(pargasite) in granulite-facies marbles from southern India by Janardhan et al. (2001). The only garnet-spinel |  | | Journal (article/letter/editorial) | | accessory minerals, such as rutile, kyanite, diamond, graphite and coesite. With few exceptions, the silicates...minerals (e.g., rutile, kyanite, corundum, diamond, graphite, coesite, sanidine, orthopyroxene, ilmenite, apatite...correlative with diamonds, however, as garnets from many graphite-bearing eclogites have Na2O>0.07 wt.% (e.g., Grutter...Al granulites from Sunkarametta, eastern Ghats, India: evidence for a lower crustal heating-cooling trajectory...western margin of the Eastern Ghats Belt at Deobhog, India. J. Metamorph. Geol. 18, 683 – 697. Gurney, J.J |  | | Journal (article/letter/editorial) | | Furthermore, this estimate is consistent with dolomite–graphite carbon isotope geothermometry, and is considered...and oxygen in carbonate minerals and carbon in graphite were measured using a Finnigan MAT 250 Mass Spectrometer...Standard Mean Ocean Water) standard for oxygen. Graphite was separated directly from the marble slabs,...(Wada et al., 1984b). The Vycor tubes containing graphite and V2O5 were again preheated to remove contaminants...were then combusted at 1000 C for 2 h to oxidize graphite 2010 Blackwell Publishing Ltd to CO2. The sealed |  | Dunn, Steven R., Markley, Michelle J., Kotikian, Maneh, Achenbach, Kay, Montanye, Bo, Peck, William H. (2019) Geothermometry of the western half of the Central Metasedimentary Belt, Grenville Province, Ontario, and its implications. American Mineralogist, 104 (6) 791-809 doi:10.2138/am-2019-6757 | Journal (article/letter/editorial) | | Hamilton, New York 13346, U.S.A. Abstract Calcite-graphite carbon isotope thermometry results are presented...lid, thermometry, metamorphism, marble, calcite, graphite, stable isotopes, carbon isotopes, crustal rheology;...Isotherms from previous studies based on calcite-graphite thermometry are shown (Rathmell et al. 1999; Dunn...2002; Dunn 2005; Fowler-Gerace 2012), and calcite-graphite C-isotope thermometry (Dunn and Valley 1992; Rathmell...(cal-dol, cal-gr, gar-bt), concluded that the calcite-graphite and garnet-biotite results appear to be the most |  | | Journal (issue) | | Jaszczak 11-13 14-16 17-19 Growth Spirals on Graphite from the Trotter Mine Dump Franklin, New Jersey...Articles related to the minerals or mines of the district are welcome for publication in The Picking Table...appears to come from very finely disseminated graphite.) The scapolite veins were as much as 10 cm wide...large three-inch lazurite crystal bites from Poona, India, and the bright blue with unusually sharp faces...ruby crystals in cavansites from nearby Wagholi, India. It was also marble from Kopica, Afghanistan. nice |
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