Startseite Origin of corundum within anorthite megacrysts from anorthositic amphibolites,Granulite Terrane, Southern India
Artikel
Lizenziert
Nicht lizenziert Erfordert eine Authentifizierung

Origin of corundum within anorthite megacrysts from anorthositic amphibolites,Granulite Terrane, Southern India

  • Shreya Karmakar ORCID logo EMAIL logo , Subham Mukherjee und Upama Dutta
Veröffentlicht/Copyright: 11. August 2020
Veröffentlichen auch Sie bei De Gruyter Brill
Informationen für Autor*innen
American Mineralogist
Aus der Zeitschrift American Mineralogist Band 105 Heft 8

Abstract

Growth of corundum in metamorphosed anorthosites and related basic-ultra-basic rocks is an exceptional feature, and its origin remains elusive. We describe the occurrence of and offer an explanation for the genesis of corundum in anorthositic amphibolites from ~2.5 Ga old basement of the Granulite Terrane of Southern India (GTSI). The studied amphibolites from two localities, Manavadi (MvAm) and Ayyarmalai (AyAm), contain anorthite lenses (An90–99) with euhedral to elliptical outline set in a finer-grained matrix of calcic plagioclase (An85–90) and aluminous amphibole (pargasite-magnesiohastingsite). The lenses, interpreted as primary magmatic megacrysts, and the matrix are both recrystallized under static condition presumably during the regional high pressure (HP) metamorphism (~800 °C, 8–11 kbar) at ~2.45 Ga. Corundum occurs in the core of some of the recrystallized anorthite lenses (An95–99) in two modes: (1) Dominantly, it forms aggregates with magnetite (with rare inclusion of hercynite; in MvAm) or spinel (and occasionally hematite-ilmenite; in AyAm). The aggregates cut across the polygonal grain boundaries of the anorthite and contain inclusions of anorthite. (2) Corundum also occurs along the grain boundaries or at the triple junctions of the polygonal anorthite grains, where it forms euhedral tabular grains, sieved with inclusions of anorthite or forms skeletal rims around the recrystallized anorthite, such that it seems to be intergrown with anorthite. Combined petrological data and computed phase relations are consistent with growth of corundum in an open system during regional metamorphism in the presence of intergranular fluids. Two mechanisms are proposed to explain the formation of the corundum in the amphibolites: (1) corundum + magnetite/spinel aggregates formed dominantly by oxy-exsolution of pre-existing Al-Fe-Mg-(Ti)-spinel. This pre-existing spinel may be primary magmatic inclusions within the anorthite phenocrysts or could have formed due to reaction of primary magmatic inclusions of olivine with the host anorthite. Pseudosections of fO2-nH2O-T-P in the CaO–FeO–MgO–Al2O3–SiO2–H2O (CFMASH) system indicate that fO2 and H2O strongly influence the formation of corundum + amphibole from the initial magmatic assemblage of anorthite (phenocrysts) + spinel ± olivine (inclusions). (2) The corundum with anorthite presumably formed through desilification and decalcification of anorthite, as is indicated by computed phase relations in isobaric-isothermal chemical potential diagrams (μSiO2-μCaO) in parts of the CASH system. Growth of corundum in this mode is augmented by high activity of anorthite in plagioclase, high pressure, and low-to-medium temperature of metamorphism. This study thus presents a new viable mechanism for the origin of corundum in anorthositic amphibolites, and basic-ultra-basic rocks in general, which should provide new insight into lower crustal processes like high-pressure metamorphism.

Keywords: Metasomatic corundum; chemical potential; desilification decalcification; anorthite phenocryst; Granulite Terrane of South India

Acknowledgments

S.K. and S.M. acknowledge the financial support from the University Grant Commission (UGC), India. U.D. acknowledges the Central Research Facility (CRF) hosted in IIT (ISM), Dhanbad. The authors thank Michael Raith and Pulak Sengupta for providing some of the initial samples for this work, and also for their time and comments during the preparation of this manuscript. The authors also sincerely appreciate the insightful comments of Gerhard Franz, Chris Yakymchuk, and an anonymous reviewer, which led to significant improvement of the manuscript.

References cited

Ahmed, A.H., and Gharib, M.E. (2018) Formation of corundum and associated mineral zones in the hybrid ultramafic-pegmatite association of the Neoproterozoic Hafafit core complex, South-Eastern Desert, Egypt. Ore Geology Reviews, 96, 72–97.10.1016/j.oregeorev.2018.04.008Suche in Google Scholar

Berger, J., Féménias, O., Ohnenstetter, D., Plissart, G., and Mercier, J.C.C. (2010) Origin and tectonic significance of corundum-kyanite-sapphirine amphibolites from the Variscan French Massif Central. Journal of Metamorphic Geology, 28, 341–360.10.1111/j.1525-1314.2010.00866.xSuche in Google Scholar

Bhaskar Rao, Y.J., Chetty, T.R.K., Janardhan, A.S., and Gopalan, K. (1996) Sm-Nd and Rb-Sr ages and P-T history of the Archean Sittampundi and Bhavani layered meta-anorthosite complexes in Cauvery shear zone, South India: evidence for Neoproterozoic reworking of Archean crust. Contributions to Mineralogy and Petrology, 125, 237–250.10.1007/s004100050219Suche in Google Scholar

Bhattacharya, A., and Chandramouli, V. (2018) Detailed mineralogical and gemmological characterization of Sittampundi ruby, Tamil Nadu, India. Report, Geological Survey of India, FSP, 2016-2018, 1–115.Suche in Google Scholar

Brandt, S., Raith, M.M., Schenk, V., Sengupta, P., Srikantappa, C., and Gerdes, A. (2014) Crustal evolution of the Southern Granulite Terrane, south India: New geochronological and geochemical data for felsic orthogneisses and granites. Precambrian Research, 246, 91–122.10.1016/j.precamres.2014.01.007Suche in Google Scholar

Bucher, K., De Capitani, C., and Grapes, R. (2005) The development of a margarite corundum blackwall by metasomatic alteration of a slice of mica schist in ultramafic Rock, Kvesjoen, Norwegian caledonides. Canadian Mineralogist, 43, 129–156.10.2113/gscanmin.43.1.129Suche in Google Scholar

Chowdhury, P., and Chakraborty, S. (2019) Slow cooling at high temperatures of high-P mafic granulites from the Southern Granulite Terrain, India: Implications for the presence and style of plate tectonics near the Archean-Proterozoic boundary. Journal of Petrology, 60, 441–486.10.1093/petrology/egz001Suche in Google Scholar

Chowdhury, P., Talukdar, M., Sengupta, P., Sanyal, S., and Mukhopadhyay, D. (2013) Controls of P-T path and element mobility on the formation of corundum pseudomorphs in Paleoproterozoic high-pressure anorthosite from Sittampundi, Tamil Nadu, India. American Mineralogist, 98, 1725–1737.10.2138/am.2013.4350Suche in Google Scholar

Clark, C., Collins, A.S., Timms, N.E., Kinny, P.D., Chetty, T.R.K., and Santosh, M. (2009) SHRIMP U–Pb age constraints on magmatism and high-grade metamorphism in the Salem Block, southern India. Gondwana Research, 16, 27–36.10.1016/j.gr.2008.11.001Suche in Google Scholar

Collins, A. S., Clark, C., and Plavsa, D. (2014) Peninsular India in Gondwana: The tectonothermal evolution of the Southern Granulite Terrain and its Gondwanan counterparts. Gondwana Research, 25, 190–203.10.1016/j.gr.2013.01.002Suche in Google Scholar

Connolly, J. (2005) Computation of phase equilibria by linear programming: a tool for geodynamic modeling and its application to subduction zone decarbonation. Earth and Planetary Science Letters, 236, 524–541.10.1016/j.epsl.2005.04.033Suche in Google Scholar

Connolly, J. (2009) The geodynamic equation of state: What and how. Geochemistry, Geophysics, Geosystems, 10, 1–19.10.1029/2009GC002540Suche in Google Scholar

Dale, J., Holland, T., and Powell, R. (2000) Hornblende±garnet±plagioclase thermobarometry: a natural assemblage calibration of the thermodynamics of hornblende. Contributions to Mineralogy and Petrology, 140, 353–362.10.1007/s004100000187Suche in Google Scholar

Das, E., Karmakar, S., Dey, A., Karmakar, S., and Sengupta, P. (2017) Reaction textures, pressure–temperature paths and chemical dates of monazite from a new suite of sapphirine–spinel granulites from parts of the Eastern Ghats Province, India: insights into the final amalgamation of India and East Antarctica during the formation of Rodinia. Geological Society, London, Special Publications, 457, 141–170.10.1144/SP457.12Suche in Google Scholar

Dutta, U., Bhui, U.K., Sengupta, P., Sanyal, S., and Mukhopadhyay, D. (2011) Magmatic and metamorphic imprints in 2.9 Ga chromitites from the Sittampundi layered complex, Tamil Nadu, India. Ore Geology Reviews, 40, 90–107.10.1016/j.oregeorev.2011.05.004Suche in Google Scholar

Feig, S.T., Koepke, J., and Snow, J.E. (2006) Effect of water on tholeiitic basalt phase equilibria: an experimental study under oxidizing conditions. Contributions to Mineralogy and Petrology, 152, 611–638.10.1007/s00410-006-0123-2Suche in Google Scholar

Fernando, G., Hauzenberger, C.A., and Hofmeister, W. (2001) Origin of corundums in Sri Lanka: Evidences from case studies of in-situ deposits. Journal of Geological Society of Sri Lanka, 10, 37–47.Suche in Google Scholar

Fernando, G.W.A.R., Dharmapriya, P.L., and Baumgartner, L.P. (2017) Silicaundersaturated reaction zones at a crust-mantle interface in the Highland Complex, Sri Lanka: Mass transfer and melt infiltration during high-temperature metasomatism. Lithos, 284-285, 237–256.10.1016/j.lithos.2017.04.011Suche in Google Scholar

Ghosh, J.G., de Wit, M.J., and Zartman, R.E. (2004) Age and tectonic evolution of Neoproterozoic ductile shear zones in the Southern Granulite Terrain of India, with implications for Gondwana studies. Tectonics, 23, https://doi.org/10.1029/2002TC00144410.1029/2002TC001444Suche in Google Scholar

Giret, A., Bonin, B., and Leger, J.-M. (1980) Amphibole compositional trends in oversaturated and undersaturated alkaline plutonic ring-composition. Canadian Mineralogist, 18, 481–495.Suche in Google Scholar

Glorie, S., De Grave, J., Singh, T., Payne, J.L., and Collins, A.S. (2014) Crustal root of the Eastern Dharwar Craton: Zircon U–Pb age and Lu–Hf isotopic evolution of the East Salem Block, southeast India. Precambrian Research, 249, 229–246.10.1016/j.precamres.2014.05.017Suche in Google Scholar

Goldsmith, J.R. (1980) The melting and breakdown reactions of anorthite at high pressures and temperatures. American Mineralogist, 65, 272–284.Suche in Google Scholar

Goldsmith, J.R. (1982) Plagioclase stability at elevated temperatures and water pressures. American Mineralogist, 67, 653–675.Suche in Google Scholar

Gordon, S.G. (2018) Desilicated granitic pegmatites. Proceedings of the Academy of Natural Sciences of Philadelphia, 73, 169–192.Suche in Google Scholar

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., and Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98, 785–811.10.2138/am.2013.4201Suche in Google Scholar

Hariya, Y., and Kennedy, G.C. (1968) Equilibrium study of anorthite under high pressure and high temperature. American Journal of Science, 266, 193–203.10.2475/ajs.266.3.193Suche in Google Scholar

Hawthorne, F.C., and Oberti, R. (2006) On the classification of amphiboles. Canadian Mineralogist, 44, 1–21.10.1515/9781501508523-003Suche in Google Scholar

Hawthorne, F.C., and Oberti, R. (2007) Classification of the amphiboles. Reviews in Mineralogy and Geochemistry, 67, 55–88.10.1515/9781501508523-003Suche in Google Scholar

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., and Welch, M.D. (2012) Nomenclature of the amphibole super-group. American Mineralogist, 97, 2031–2048.10.2138/am.2012.4276Suche in Google Scholar

Holland, T., and Powell, R. (1998) An internally consistent thermodynamic data set for phases of petrological interest. Journal of Metamorphic Geology, 16, 309–343.10.1111/j.1525-1314.1998.00140.xSuche in Google Scholar

Huang, H. (2018) Geochemistry of the Mesoarchean Fiskenaesset anorthosite complex and associated tonalite-trondhjemite-granodiorite (TTG) gneisses, southwestern Greenland, 1–199. Thesis, University of Windsor.Suche in Google Scholar

Huang, H., Fryer, B.J., Polat, A., and Pan, Y. (2014) Amphibole, plagioclase and clinopyroxene geochemistry of the Archean Fiskenæsset Complex at Majorqap qâva, southwestern Greenland: Implications for Archean petrogenetic and geodynamic processes. Precambrian Research, 247, 64–91.10.1016/j.precamres.2014.03.021Suche in Google Scholar

Jayananda, M., Moyen, J.F., Martin, H., Peucat, J.J., Auvray, B., and Mahabaleswar, B. (2000) Late Archaean (2550–2520 Ma) juvenile magmatism in the Eastern Dharwar craton, southern India: constraints from geochronology, Nd–Sr isotopes and whole rock geochemistry. Precambrian Research, 99, 225–254.10.1016/S0301-9268(99)00063-7Suche in Google Scholar

Karmakar, S., Mukherjee, S., Sanyal, S., and Sengupta, P. (2017) Origin of peraluminous minerals (corundum, spinel, and sapphirine) in a highly calcic anorthosite from the Sittampundi Layered Complex, Tamil Nadu, India. Contributions to Mineralogy and Petrology, 172, 1–23.10.1007/s00410-017-1383-8Suche in Google Scholar

Keeditse, M., Rajesh, H.M., Belyanin, G.A., Fukuyama, M., and Tsunogae, T. (2017) Primary magmatic amphibole in Archaean meta-pyroxenite from the central zone of the Limpopo Complex, South Africa. South African Journal of Geology, 119, 607–622.10.2113/gssajg.119.4.607Suche in Google Scholar

Keulen, N., and Kalvig, P. (2013) Fingerprinting of corundum (ruby) from Fiskanæsset, West Greenland. Geological Survey of Denmark and Greenland Bulletin, 28, 53–56.10.34194/geusb.v28.4724Suche in Google Scholar

Kohut, E.J., and Nielsen, R.L. (2003) Low-pressure phase equilibria of anhydrous anorthite-bearing mafic magmas. Geochemistry, Geophysics, Geosystems, 4, 27 p. doi:10.1029/2002GC000451.10.1029/2002GC000451Suche in Google Scholar

Kullerud, K., Nasipuri, P., Ravna, E.J.K., and Selbekk, R.S. (2012) Formation of corundum megacrysts during H2O-saturated incongruent melting of feldspar: P–T pseudosection-based modelling from the Skattøra migmatite complex, North Norwegian Caledonides. Contributions to Mineralogy and Petrology, 164, 627–641.10.1007/s00410-012-0765-1Suche in Google Scholar

Leake, B.E., Kato, A., Kisch, H.J., Krivovichev, V.G., Linthout, K., Laird, J.O., Maresch, W.V., Schumacher, J.C., Stephenson, N.C.N., and Whittaker, E. J.W. (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Canadian Mineralogist, 35, 219–246.Suche in Google Scholar

Leake, B.E., Woolley, A.R., Birch, W.D., and Burke, E. (2004) Nomenclature of amphiboles: Additions and revisions to the International Mineralogical Association’s amphibole nomenclature. American Mineralogist, 89, 883–887.Suche in Google Scholar

Liu, T.C., and Presnall, D.C. (1990) Liquidus phase relationships on the join anorthite-forsterite-quartz at 20 kbar with applications to basalt petrogenesis and igneous sapphirine. Contributions to Mineralogy and Petrology, 104, 735–742.10.1007/BF01167290Suche in Google Scholar

Médard, E., Schmidt, M.W., Schiano, P., and Ottolini, L. (2005) Melting of amphibole-bearing wehrlites: An experimental study on the origin of ultra-calcic nepheline-normative melts. Journal of Petrology, 47(3), 481–504.10.1093/petrology/egi083Suche in Google Scholar

Meissner, B., Deters, P., Srikantappa, C., and Köhler, H. (2002) Geochronological evolution of the Moyar, Bhavani and Palghat shear zones of southern India: Implications for east Gondwana correlations. Precambrian Research, 114, 149–175.10.1016/S0301-9268(01)00222-4Suche in Google Scholar

Mercier, A., Rakotondrazafy, M., and Ravolomiandrinarivo, B. (1999) Ruby mineralization in southwest Madagascar. Gondwana Research, 2(3), 433–438.10.1016/S1342-937X(05)70281-1Suche in Google Scholar

Mohan, M.R., Satyanarayanan, M., Santosh, M., Sylvester, P. J., Tubrett, M., and Lam, R. (2013) Neoarchean suprasubduction zone arc magmatism in southern India: Geochemistry, zircon U-Pb geochronology and Hf isotopes of the Sittampundi Anorthosite Complex. Gondwana Research, 23, 539–557.10.1016/j.gr.2012.04.004Suche in Google Scholar

Molina, J.F., Scarrow, J.H., Montero, P.G., and Bea, F. (2009) High-Ti amphibole as a petrogenetic indicator of magma chemistry: evidence for mildly alkalichybrid melts during evolution of Variscan basic–ultrabasic magmatism of Central Iberia. Contributions to Mineralogy and Petrology, 158, 69–98.10.1007/s00410-008-0371-4Suche in Google Scholar

Morishita, T. (2004) Possible non-melted remnants of subducted lithosphere: Experimental and geochemical evidence from corundum-bearing mafic rocks in the Horoman Peridotite Complex, Japan. Journal of Petrology, 45, 235–252.10.1093/petrology/egg105Suche in Google Scholar

Morishita, T., and Arai, S. (2001) Petrogenesis of corundum-bearing mafic rock in the Horoman Peridotite Complex, Japan. Journal of Petrology, 42, 1279–1299.10.1093/petrology/42.7.1279Suche in Google Scholar

Morishita, T., and Kodera, T. (1998) Finding of corundum-bearing gabbro boulder possibly derived from the Horoman Peridotite Complex, Hokkaido, northern Japan. Journal of Mineralogy, Petrology and Economic Geology, 93, 52–63.10.2465/ganko.93.52Suche in Google Scholar

Morishita, T., Arai, S., and Gervilla, F. (2001) High-pressure aluminous mafic rocks from the Ronda peridotite massif, southern Spain: significance of sapphirine-and corundum-bearing mineral assembleges. Lithos, 57, 143–161.10.1016/S0024-4937(01)00036-6Suche in Google Scholar

Müntener, O., Kelemen, P.B., and Grove, T.L. (2001) The role of H2O during crystallization of primitive arc magmas under uppermost mantle conditions and genesis of igneous pyroxenites: an experimental study. Contributions to Mineralogy and Petrology, 141, 643–658.10.1007/s004100100266Suche in Google Scholar

Nielsen, R.L., Crum, J., Bourgeois, R., Hascall, K., Forsythe, L.M., Fisk, M.R., and Christie, D.M. (1995) Melt inclusions in high-An plagioclase from the Gorda Ridge: an example of the local diversity of MORB parent magmas. Contributions to Mineralogy and Petrology, 122, 34–50.10.1007/s004100050111Suche in Google Scholar

Palke, A.C., Wong, J., Verdel, C., and Ávila, J.N. (2018) A common origin for Thai/ Cambodian rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.? American Mineralogist, 103, 469–479.10.2138/am-2018-6164Suche in Google Scholar

Panjasawatwong, Y., Danyushevsky, L.V., Crawford, A.J., and Harris, K.L. (1995) An experimental study of the effects of melt composition on plagioclase-melt equilibria at 5 and 10 kbar: implications for the origin of magmatic high-An plagioclase. Contributions to Mineralogy and Petrology, 118, 420–432.10.1007/s004100050024Suche in Google Scholar

Peucat, J.J., Vidal, P., Bernard-Griffiths, J., and Condie, K.C. (1989) Sr, Nd, and Pb isotopic systematics in the Archean low- to high-grade transition zone of southern India: Syn-Accretion vs. Post-Accretion granulites. The Journal of Geology, 97, 537–549.10.1086/629333Suche in Google Scholar

Peucat, J.J., Mahabaleswar, B., and Jayananda, M. (1993) Age of younger tonalitic magmatism and granulitic metamorphism in the South Indian transition zone (Krishnagiri area); comparison with older Peninsular gneisses from the Gorur– Hassan area. Journal of Metamorphic Geology, 11, 879–888.10.1111/j.1525-1314.1993.tb00197.xSuche in Google Scholar

Peucat, J.-J., Jayananda, M., Chardon, D., Capdevila, R., Fanning, C.M., and Paquette, J.-L. (2013) The lower crust of the Dharwar Craton, Southern India: Patchwork of Archean granulitic domains. Precambrian Research, 227, 4–28.10.1016/j.precamres.2012.06.009Suche in Google Scholar

Plavsa, D., Collins, A.S., Foden, J.D., and Clark, C. (2015) The evolution of a Gondwanan collisional orogen: A structural and geochronological appraisal from the Southern Granulite Terrane, South India. Tectonics, 34, 820–857.10.1002/2014TC003706Suche in Google Scholar

Polat, A., Fryer, B.J., Samson, I.M., Weisener, C., Appel, P.W.U., Frei, R., and Wind-ley, B.F. (2012) Geochemistry of ultramafic rocks and hornblendite veins in the Fiskenæsset layered anorthosite complex, SW Greenland: Evidence for hydrous upper mantle in the Archean. Precambrian Research, 214-215, 124–153.10.1016/j.precamres.2011.11.013Suche in Google Scholar

Pouchou, J.L., and Pichoir, F. (1984) A new model for quantitative X‑ray microanalysis. I.—application to the analysis of homogeneous samples. La Recherche Aérospatiale, 3, 167–192.Suche in Google Scholar

Raith, M.M., Srikantappa, C., Buhl, D., and Koehler, H. (1999) The Nilgiri enderbites, South India: nature and age constraints on protolith formation, high-grade metamorphism and cooling history. Precambrian Research, 98, 129–150.10.1016/S0301-9268(99)00045-5Suche in Google Scholar

Raith, M.M., Rakotondrazafy, R., and Sengupta, P. (2008) Petrology of corundumspinel-sapphirine-anorthite rocks (sakenites) from the type locality in southern Madagascar. Journal of Metamorphic Geology, 26, 647–667.10.1111/j.1525-1314.2008.00779.xSuche in Google Scholar

Raith, M.M., Sengupta, P., Spiering, B., and Srikantappa, C. (2010) Growth and breakdown of corundum in layered mafic complexes of the Palghat Cauvery Shear Zone, South India. Annual Meeting of Deutschen Mineralogischen Gesellschaft, Abstracts volume, 88, 331.Suche in Google Scholar

Raith, M.M., Brandt, S., Sengupta, P., Berndt, J., and Srikantappa, C. (2016) Element mobility and behaviour of zircon during HT metasomatism of ferroan basic granulite at Ayyarmalai, South India: Evidence for polyphase Neoarchaean crustal growth and multiple metamorphism in the northeastern Madurai Province. Journal of Petrology, 57, 1729–1774.10.1093/petrology/egw057Suche in Google Scholar

Rakotondrazafy, A.F.M., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatseheno, M., Offant, Y., Garnier, V., and others (2008) Gem corundum deposits of Madagascar: A review. Ore Geology Reviews, 34, 134–154.10.1016/j.oregeorev.2007.05.001Suche in Google Scholar

Ranson, W.A. (2000) Margarite-corundum phyllites from the Appalachian orogen of South Carolina: Mineralogy and metamorphic history. American Mineralogist, 85, 1617–1624.10.2138/am-2000-11-1205Suche in Google Scholar

Rapp, R.P., Watson, E.B., and Miller, C.F. (1991) Partial melting of amphibolite/ eclogite and the origin of Archean trondhjemites and tonalites. Precambrian Research, 51, 1–25.10.1016/0301-9268(91)90092-OSuche in Google Scholar

Rollinson, H., Reid, C., and Windley, B. (2010) Chromitites from the Fiskenæsset anorthositic complex, West Greenland: clues to late Archaean mantle processes. Geological Society, London, Special Publications, 338, 197–212.10.1144/SP338.10Suche in Google Scholar

Sack, R.O., and Ghiorso, M.S. (1991) An internally consistent model for the thermodynamic properties of Fe-Mg-titanomagnetite-aluminate spinels. Contributions to Mineralogy and Petrology, 107, 415.10.1007/BF00325108Suche in Google Scholar

Saitoh, Y., Tsunogae, T., Santosh, M., Chetty, T.R.K., and Horie, K. (2011) Neoarchean high-pressure metamorphism from the northern margin of the Palghat–Cauvery Suture Zone, southern India: Petrology and zircon SHRIMP geochronology. Journal of Asian Earth Sciences, 42, 268–285.10.1016/j.jseaes.2010.11.015Suche in Google Scholar

Schreyer, W., Werding, G., and Abraham, K. (1981) Corundum-fuchsite rocks in greenstone belts of southern Africa: Petrology, geochemistry, and possible origin. Journal of Petrology, 22, 191–231.10.1093/petrology/22.2.191Suche in Google Scholar

Sengupta, P., Sen, J., Dasgupta, S., Raith, M., Bhui, U.K., and Ehl, J. (1999) Ultrahigh temperature metamorphism of metapelitic granulites from Kondapalle, Eastern Ghats Belt: Implications for the Indo-Antarctic correlation. Journal of Petrology, 40, 1065–1087.10.1093/petroj/40.7.1065Suche in Google Scholar

Sengupta, P., Bhui, U.K., Braun, I., Dutta, U., and Mukhopadhyay, D. (2009) Chemical substitutions, paragenetic relations, and physical conditions of formation of hogbomite in the Sittampundi layered anorthosite complex, South India. American Mineralogist, 94, 1520–1534.10.2138/am.2009.3121Suche in Google Scholar

Sengupta, P., Raith, M.M., Kooijman, E., Talukdar, M., Chowdhury, P., Sanyal, S., Mezger, K., and Mukhopadhyay, D. (2015) Provenance, timing of sedimentation and metamorphism of metasedimentary rock suites from the Southern Granulite Terrane, India. Geological Society, London, Memoirs, 43, 297–308.10.1144/M43.20Suche in Google Scholar

Sinton, C.W., Christie, D.M., Coombs, V.L., Nielsen, R.L., and Fisk, M.R. (1993) Near-primary melt inclusions in anorthite phenocrysts from the Galapagos Platfrom. Earth and Planetary Science Letters, 119, 527–537.10.1016/0012-821X(93)90060-MSuche in Google Scholar

Sisson, T.W., and Grove, T.L. (1993) Experimental investigations of the role of H2O in calc-alkaline differentiation and subduction zone magmatism. Contributions to Mineralogy and Petrology, 113, 143–166.10.1007/BF00283225Suche in Google Scholar

Sours-Page, R., Johnson, K.T.M., Nielsen, R.L., and Karsten, J.L. (1999) Local and regional variation of MORB parent magmas: evidence from melt inclusions from the Endeavour Segment of the Juan de Fuca Ridge. Contributions to Mineralogy and Petrology, 134, 342–363.10.1007/s004100050489Suche in Google Scholar

Takagi, D., Sato, H., and Nakagawa, M. (2005) Experimental study of a low-alkali tholeiite at 1–5 kbar: Optimal condition for the crystallization of high-An plagioclase in hydrous arc tholeiite. Contributions to Mineralogy and Petrology, 149, 527–540.10.1007/s00410-005-0666-7Suche in Google Scholar

Tenthorey, E.A., Ryan, J.G., and Snow, E.A. (1996) Petrogenesis of sapphirine-bearing metatroctolites from the Buck Creek ultramafic body, southern Appalachians. Journal of Metamorphic Geology, 14, 103–114.Suche in Google Scholar

Torres-Roldan, R.L., Garcia-Casco, A., and Garcia-Sanchez, P.A. (2000) CSpace: An integrated workplace for the graphical and algebraic analysis of phase assemblages on 32-bit Wintel platforms. Computers & Geosciences, 26, 779–793.10.1016/S0098-3004(00)00006-6Suche in Google Scholar

Vernon, R.H. (2004) A Practical Guide to Rock Microstructure. Cambridge University Press.10.1017/CBO9780511807206Suche in Google Scholar

Waters, D. J. (1991) Hercynite-quartz granulites: phase relations, and implications for crustal processes. European Journal of Mineralogy, 3, 367–386.10.1127/ejm/3/2/0367Suche in Google Scholar

Watkins, J.M., Clemens, J.D., and Treloar, P.J. (2007) Archaean TTGs as sources of younger granitic magmas: melting of sodic metatonalites at 0.6–1.2 GPa. Contributions to Mineralogy and Petrology, 154, 91–110.10.1007/s00410-007-0181-0Suche in Google Scholar

Whitney, D.L., and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187.10.2138/am.2010.3371Suche in Google Scholar

Yakymchuk, C., and Szilas, K. (2018) Corundum formation by metasomatic reactions in Archean metapelite, SW Greenland: Exploration vectors for ruby deposits within high-grade greenstone belts. Geoscience Frontiers, 9, 727–749.10.1016/j.gsf.2017.07.008Suche in Google Scholar

Zhang, F.-F., Wang, X.-L., Sun, Z.-M., Chen, X., Zhou, X.-H., and Yang, T. (2018) Geochemistry and zircon-apatite U-Pb geochronology of mafic dykes in the Shuangxiwu area: Constraints on the initiation of Neoproterozoic rifting in South China. Precambrian Research, 309, 138–151.10.1016/j.precamres.2017.04.008Suche in Google Scholar

Received: 2019-05-08
Accepted: 2020-01-15
Published Online: 2020-08-11
Published in Print: 2020-08-26

© 2020 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Outlooks in Earth and Planetary Materials
  2. Are quasicrystals really so rare in the Universe?
  3. Reaction between Cu-bearing minerals and hydrothermal fluids at 800 °C and 200 MPa: Constraints from synthetic fluid inclusions
  4. Evaluation and application of the quartz-inclusions-in-epidote mineral barometer
  5. Let there be water: How hydration/dehydration reactions accompany key Earth and life processes
  6. Origin of corundum within anorthite megacrysts from anorthositic amphibolites,Granulite Terrane, Southern India
  7. Raman spectroscopy study of manganese oxides: Tunnel structures
  8. Experimental constraints on the partial melting of sediment-metasomatized lithospheric mantle in subduction zones
  9. Interlayer energy of pyrophyllite: Implications for macroscopic friction
  10. Thermodynamic and thermoelastic properties of wurtzite-ZnS by density functional theory
  11. The nature of Zn-phyllosilicates in the nonsulfide Mina Grande and Cristal zinc deposits (Bongará District, Northern Peru): The TEM-HRTEM and AEM perspective
  12. Orthovanadate wakefieldite-(Ce) in symplectites replacing vanadium-bearing omphacite in the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian Alps)
  13. A simple and effective capsule sealing technique for hydrothermal experiments
  14. Metamorphic amphiboles in the Ironwood Iron-Formation, Gogebic Iron Range, Wisconsin: Implications for potential resource development
  15. Letter
  16. The chlorine-isotopic composition of lunar KREEP from magnesian-suite troctolite 76535
  17. New Mineral Names
https://doi.org/10.2138/am-2020-7108
Schlagwörter für diesen Artikel
Metasomatic corundum; chemical potential; desilification decalcification; anorthite phenocryst; Granulite Terrane of South India

Artikel in diesem Heft

  1. Outlooks in Earth and Planetary Materials
  2. Are quasicrystals really so rare in the Universe?
  3. Reaction between Cu-bearing minerals and hydrothermal fluids at 800 °C and 200 MPa: Constraints from synthetic fluid inclusions
  4. Evaluation and application of the quartz-inclusions-in-epidote mineral barometer
  5. Let there be water: How hydration/dehydration reactions accompany key Earth and life processes
  6. Origin of corundum within anorthite megacrysts from anorthositic amphibolites,Granulite Terrane, Southern India
  7. Raman spectroscopy study of manganese oxides: Tunnel structures
  8. Experimental constraints on the partial melting of sediment-metasomatized lithospheric mantle in subduction zones
  9. Interlayer energy of pyrophyllite: Implications for macroscopic friction
  10. Thermodynamic and thermoelastic properties of wurtzite-ZnS by density functional theory
  11. The nature of Zn-phyllosilicates in the nonsulfide Mina Grande and Cristal zinc deposits (Bongará District, Northern Peru): The TEM-HRTEM and AEM perspective
  12. Orthovanadate wakefieldite-(Ce) in symplectites replacing vanadium-bearing omphacite in the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian Alps)
  13. A simple and effective capsule sealing technique for hydrothermal experiments
  14. Metamorphic amphiboles in the Ironwood Iron-Formation, Gogebic Iron Range, Wisconsin: Implications for potential resource development
  15. Letter
  16. The chlorine-isotopic composition of lunar KREEP from magnesian-suite troctolite 76535
  17. New Mineral Names
Jetzt anmelden und 20% sparen
Institutioneller Zugang
Wie funktioniert Authentifizierung?
Haben Sie eine Idee, wie wir unsere Website verbessern können?
Bitte schreiben Sie uns.
© 2025 De Gruyter Brill
Heruntergeladen am 20.10.2025 von https://www.degruyterbrill.com/document/doi/10.2138/am-2020-7108/html
Button zum nach oben scrollen