 | | 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...The carbon and oxygen isotopic compositions of calcite from three representative metacarbonate localities...localities show contrasting evolutionary trends. The Ambasamudram marbles exhibit carbon and oxygen isotope ratios...6l80values of - 9 % ~and l l % o , respectively, for calcite from calc-silicate rocks at Nuliyam are considerably |  | | 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...Clinohumite+calcite-bearing assemblages suggest XCO2<0.4 (at 700uC and 5 kbar), calcite+ forsterite+K-feldspar-bearing...feldspar and calcite and replacement of dolomite+diopside or tremolite+dolomite after calcite+forsterite |  | | Journal (article/letter/editorial) | | Belt, India A.P. Pradeepkumar Dept. of Geology, University of Kerala, Trivandrum 695 581, India Present...address: Focal Image (India) Pvf. Ltd., St Joseph’s Press Bldg., Trivandrum 695 014, India Email: pradeepariver-va1ley...Satish-Kumar et al., 1999). The area around Ambasamudram, through which the ASZ passes, is characterised...clinohumite - chondrodite - norbergite spinel - calcite - dolomite marble. Sheared and mylonitised marbles...carbonate rocks. The minerals include talc, tremolite, calcite, dolomite, forsterite, diopside, clinohumite, humite |  | | Journal (article/letter/editorial) | | CORRESPONDENCE Kinematics of Achankovil Shear Zone, South India V. Prasanna Kumar Department of Geology, University...University of Kerala, Kariyavattom, Trivandrum-695 581, India Achankovil Shear Zone, a major crustal discontinuity...over 120 km through the states of Kerala and Tamil Nadu in a NW-SE direction, separates the Kerala Khondalite...Chengannoor (Kerala) in the northwest and Ambasamudram (Tamil Nadu) in the southeast, the terminations being...understanding the crustal evolution of southern India. In the light of the diverse views on the evolution |  | | 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) | | grossular, forsterite, monticellite, diopside, calcite, and wollastonite. There are many scattered occurrences...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...and the York River skarn, all in the Bancroft district, Hastings County, Ontario. “Altered limestone” |  | | Journal (article/letter/editorial) | | of orangeites from the Damodar Valley, eastern India, 313 ARLT, T., 801 AsHwoarn, J.R., 213 AUSTRALIA...-sanidine in Lionato Tuff, Colli Albani Volcanic District, Central Italy, petrogenetic implications of,...State, India, mineralogy and characterization of fluorine-rich clinohumite from Ambasamudram marbles...of, 657 Clinohumite from Chapada, Goids State, India, mineralogy and characterization of, 509 Clinoptilolite...Craton, orangeites from the Damodar Valley, eastern India formed in, 313 CRESSEY,G., 65 CRIDI)LE,A.J., 257 |  | | Journal (article/letter/editorial) | | of southern India were examined in detail for stable carbon and oxygen isotopes in calcite and carbon...show coupled lowering of d13C and d18O values in calcite and heterogeneous single crystal d13C values (x1...indicating varying carbon isotope fractionation between calcite and graphite, despite the granulite facies regional...the carbon isotope values of the remaining ¯uid+calcite carbon reservoir, following a Rayleigh-type distillation...the observed zonation. The results suggest that calcite±graphite thermometry cannot be applied in marbles |  | 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) | | 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...carbonic inclusions occur within the retrogressed calcite + quartz assemblage after wollastonite, and are...1995). The granulite facies terrains of southern India and Sri Lanka have been the focus of many studies |  | | 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 |  | 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 |  | | Journal (article/letter/editorial) | | infiltration includes those from Madagascar and Southern India (Pili et al., 1997; Satish-Kumar et al., 2001b)...granulites. 30 Fig. 1. 6% vs. 6l80 values of calcite from marbles in Proterozoic granulite terrains...elsewhere, mineralogically marbles comprises of pure calcite (more than 90% carbonates) with layers of calc-silicate...rich domains. The dominant minerals apart from calcite include diopside, forsterite, tremolite, phlogopite...Antarctica - Satish-Kumar et al., 1998; Southern India - Satish-Kumar et al., 2001a). A compilation of |  | | Journal (article/letter/editorial) | | comrlocaterchemgeo Carbon isotopic equilibrium between calcite and graphite in Skallen Marbles, East Antarctica:...1999 Abstract Carbon isotope thermometry between calcite and graphite has been applied to the granulite...Antarctica. The carbon and oxygen isotope values of calcite from five ¨ samples, which are interlayered with...fluids. The partitioning of carbon isotopes between calcite and graphite is a sensitive thermometer, especially...evaluate the carbon isotopic fractionation between calcite and graphite in a suite of marble samples from |  | | Journal (article/letter/editorial) | | argasite/edenite+calcite+dolomite, and scapolite+diopside+anorthite+quartz+calcite respectively. Calculated...facies stage, assuming a pressure of 0.8 GPa. Calcite grains commonly show exsolution textures with dolomite...tremolite and dolomite grown between clinohumite and calcite in marble, and a replacement texture of scapolite...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 |  | | Journal (article/letter/editorial) | | minerals Article The Calcite-Dolomite Solvus Temperature and T-X(CO2) Evolution in High-Grade Impure...Citation: Chen, X.; Zhang, L.; Zhang, G.; Lü, Z. The Calcite-Dolomite Solvus Temperature and T-X(CO2 ) Evolution...impure marble is characterized by the assemblage of calcite + dolomite + forsterite + spinel + phlogopite +...diopside ± retrograde serpentine. Three groups of calcite and dolomite occurring both as inclusions and in...I is represented by relatively magnesium-rich calcite (Cal) (CalI :XMg = 0.10–0.15) and almost pure dolomite |  | | Journal (article/letter/editorial) | | Pluton. Chondrodite marbles consist of dominant calcite, less abundant dolomite; amounts of silicates vary...It is also supported by isotopic composition of calcite (ä13Ccalcite = -0.6 -4.2 PDB; ä18Ocalcite =...and/or clinohumite) + chlorite (and/or spinel) + calcite. Key words: clintonite; chemical composition; fluorine;...mineral reactions producing clintonite involve calcite, spinel, forsterite and diopside (Rice 1979), less...Sheaf-shaped aggregates of clintonite enclosed in calcite, with isometric grains of chondrodite. Tasov near |  | | Journal (article/letter/editorial) | | Museum D3142) was handpicked after dissolution of a calcite matrix in HCl. The chemical composition of the...1980a,b). Fluorine stabilizes the clinohumite + calcite stability eld to more CO2-rich uids. High clinohumite...(1998) Fluorine-rich clinohumite from Ambasamudram marbles, southern India: mineralogical and preliminary FTIR |  | | Journal (article/letter/editorial) | | marbles: Phase relations in high-grade aluminous calcite–dolomite marbles from the Greek Rhodope massif...different types of parageneses of the minerals calcite, dolomite, diopside, forsterite, spinel, amphibole...(Ti–)clinohumite and phlogopite were observed in calcite–dolomite marbles collected in the Kimi-Complex...marbles most likely equilibrated at the aragonite–calcite transition, slightly below the coesite stability...of CO2, garnet has to be present in aluminous calcite–dolomite-marble at UHP conditions. © 2007 Elsevier |  | | Journal (article/letter/editorial) | | difference between the d13C values of coexisting calcite (cc) and graphite (gr), i.e. D(cc–gr)=d13Ccc –d13Cgr...Wada and Suzuki (1983) calibrated by dolomite– calcite solvus temperatures. Note conspicuous reduction...amphibolite facies). Fig. 6. Distribution patterns of calcite– graphite fractionation D(cc– gr) (Fig. 5) as a...Graphite content and isotopic fractionation between calcite– graphite pairs in metasediments from the Mgama...carbon and hydrogen isotope exchange in the system calcite–carbon dioxide– graphite–methane–hydrogen–water |  | | Journal (article/letter/editorial) | | 00877.x Exsolution of dolomite and application of calcite–dolomite solvus geothermometry in high-grade marbles:...Midoricho, Tachikawa, Tokyo 190-8518, Japan ABSTRACT Calcite–dolomite solvus geothermometry is a versatile method...temperature by the integration of unmixed dolomite and calcite is hampered by the heterogeneous distribution of...study, it is shown that calcite–dolomite solvus thermometry can be applied to calcite inclusions in forsterite...comprised of a granoblastic mineral assemblage of calcite + dolomite + forsterite + diopside + spinel + phlogopite |  | | Journal (article/letter/editorial) | | olivine within a calcite and dolomite matrix. (b) Grains of amphibole and olivine in a calcite and dolomite...of fine grained calcite and dolomite in an approximate ratio of 4:1. Most of the calcite from the marble...u.) and Fe poor (< 0.01 a.f.u.), however small calcite grains with substantially higher magnesium concentrations...olivine sometimes contains small inclusions of calcite, dolomite, and diopside. Clinohumite (2–4 %), forms...clusters and contains small rounded inclusions of calcite, dolomite, and diopside. Clinohumite in sample |
|
