 | | Journal (article/letter/editorial) | | geology of Andaman and Nicobar islands. Geol. Surv. India, Misc. Publ. v. 41, pp. 110-125 Roy, T.K., (1983)...Corundum-bearing Granulites from Karur, Madurai Block, Southern India Toshiaki Tsunogael and M. Santosh2 Institute...Lachmanapatti and Malappatty in the northern part of Madurai Block. Sapphirine in these localities occurs either...compared with those in other localities in the Madurai Block. The sapphirine-corundum association reported...metamorphism and exhumation history of the northern Madurai Block as well as on the tectonic evolution of the |  | | Journal (article/letter/editorial) | | assemblage from the Southern Granulite Terrane, India: diagnostic evidence for ultrahigh-temperature metamorphism...(Rajapalaiyam, Ganguvarpatti and Panangad) in the Southern Granulite Terrane (SGT), India, provides unequivocal...in pelitic granulites from Rajapalaiyam in the Madurai Block occur as an intergrowth in poikiloblastic...coarse-grained sapphirine) in a Mg-Al-rich rock from Ganguvarpatti in the same block. The sapphirineâquartz association...SGT, according to which the metamorphism in the Madurai Block is related to heat (and ïŹuid) input from |  | TAMASHIRO, Iwao, SANTOSH, M., SAJEEV, K., MORIMOTO, Taro, TSUNOGAE, Toshiaki (2004) Multistage orthopyroxene formation in ultrahigh-temperature granulites of Ganguvarpatti, southern India: implications for complex metamorphic evolution during Gondwana assembly. Journal of Mineralogical and Petrological Sciences, 99 (5) 279-297 doi:10.2465/jmps.99.279 | Journal (article/letter/editorial) | | Multistage orthopyroxene in the UHT granulites of Ganguvarpatti, IndiaIssue 279 Multistage orthopyroxene formation...ultrahigh â temperature granulites of Ganguvarpatti, southern India: implications for complex metamorphic...quartz granulites of Ganguvarpatti (GVP) from the northern Madurai Block in southern India record ultrahigh...between 7.3 â 7.5 wt%. Late orthopyroxene rim on biotite shows the lowest Al2O3 range between 5.9 â 6.5...around 8 kbar. The late orthopyroxene rim around biotite yields temperatures around 850°C at 6 kbar. The |  | | Journal (article/letter/editorial) | | from the Palghat â Cauvery Shear System, southern India Saori KOSHIMOTO*, Toshiaki TSUNOGAE** and M. SANTOSH*...â Proterozoic collisional boundary in southern India. Sapphirine here occurs as medium â grained euhedral...Our results suggest that the whole of northern Madurai Block as well as parts of the Palghat â Cauvery...(Harley, 1998). The geological framework of southern India is broadly defined by an Archean granite â greenstone...orthopyroxene + sillimanite ± garnet assemblages from Madurai Block, indicating that at least some parts of the |  | | Journal (article/letter/editorial) | | the PalghatCauvery Shear Zone System, Southern India M. Santoshl, Toshiaki Tsunogae2and Saori Koshimotol...ArcheanProterozoic collision boundary in southern India. Key words: Sapphirine-corundum-spinel, mineral...metamorphism, Palghat-Cauvery Shear System, southern India. Introduction Granulite facies rocks subjected...localities from southern India including Panrimalai (Grew, 1984), Ganguvarpatti (Mohan and Windley, 1993;...Malappatty near Karur at the northern margin of the Madurai Block. Although earlier studies did not recognize |  | | Journal (article/letter/editorial) | | Sapphirine and Petrological + quartz Sciences, from Ganguvarpatti Volume 104, page 285 â 289, 2009 285 LETTER...from Ganguvarpatti: diagnostic evidence for ultrahigh-temperature metamorphism in central Madurai Block...Block, southern India Nozomi Kondou*, Toshiaki Tsunogae**,â , M. Santosh⥠and Hisako Shimizu** * College...orthopyroxene sapphirine granulite from Ganguvarpatti in southern India, providing diagnostic evidence for...temperature (UHT) metamorphism in the central Madurai Block. The sapphirine quartz bearing rock is composed |  | | Journal (article/letter/editorial) | | sillimanite granulites from Ganguvarpatti, Madurai block, southern India Received: 20 February 2003 /...Springer-Verlag 2004 Abstract The MgâAl granulites from Ganguvarpatti consist of orthopyroxeneâsillimaniteâgarnet...multi-phase symplectites, followed by cooling during biotite formation. Further late decompression is explained...explained from the orthopyroxene rims on biotite. This proposed PâT path thus suggests a unique and complex...evolution history for the UHT granulites of southern India. Present results are comparable with similar adjacent |  | | Journal (article/letter/editorial) | | evolution of granulites from central Madurai Block (southern India): reference to Ediacaran crustal evolution...evolution of granulites from central Madurai Block (southern India): reference to Ediacaran crustal evolution...evolution of granulites from central Madurai Block (southern India): reference to Ediacaran crustal evolution...Hindu University, Varanasi, India ABSTRACT ARTICLE HISTORY The Madurai Block, constituting part of...of the southern granulite terrain in southern India, has contributed significantly towards understanding |  | | Journal (article/letter/editorial) | | Report of Sapphirine+Quartz Assemblage from Southern India: Implications for Ultrahigh-temperature Metamorphism...University of Mysore, Manasa Gangotri, Mysore - 570 006, India * Corresponding author: E-mail: tsunogae@arsia.geo...quartzo-feldspathic and pelitic granulites from southern India. The sapphirine-bearing rocks occur as layered gneisses...charnockite in Rajapalaiyam area in the southern part of Madurai Block. Sapphirine occurs in three associations:...ultrahigh-temperature metamorphism and exhumation history of the Madurai Block as well as on the tectonic evolution of the |  | | Journal (article/letter/editorial) | | and Isotopic Evolution of Granulites of Southern India: Reference to Neoproterozoic Crustal Evolution A...Varanasi 22 I 005, India Department of Geology, Bangalore University, Bangalore 560 056, India ( M ~ ~ i z ~...southern India. Geothermobarometric traverse across different granulite blocks in southern India shows wide...recognised from parts of southern granulite terrain (Ganguvarpatti, Kiranur and Palani hill ranges etc.) show oriented...the East Gondwana framework. Key Words :Southern India granulites, Precambrian crustal evolution, reaction |  | | Journal (article/letter/editorial) | | First report of garnetâcorundum rocks from southern India: Implications for prograde high-pressure (eclogite-facies...Sevitturangampatti (Namakkal district) in the Palghat-Cauvery Shear Zone System (PCSS), southern India. The rocks contain...gedriteâMg-rich stauroliteâcorundumâsapphirine, biotiteâ corundumâsapphirine and sodic gedriteâsapphir...been recorded in previous studies from southern India. Phase analysis of quartzabsent MAS system also...exhumation path is the first report from southern India. The Namakkal area occurs within the central domain |  | | Journal (article/letter/editorial) | | granulites within continental collision zone in southern India M. Santosh a,â, K. Sajeev b a b Department of Natural...the PalghatâCauvery Shear Zone system in southern India. From petrologic characteristics, mineral chemistry...being reported for the first time from southern India and has important tectonic implications since these...Collision zone; PalghatâCauvery Shear Zone; Southern India 1. Introduction â Corresponding author. Tel./fax:...tectonic framework of southern India. Compiled from Geological Survey of India, 1995, with additional data |  | Santosh, M., Collins, A.S., Tamashiro, I., Koshimoto, S., Tsutsumi, Y., Yokoyama, K. (2006) The timing of ultrahigh-temperature metamorphism in Southern India: UâThâPb electron microprobe ages from zircon and monazite in sapphirine-bearing granulites. Gondwana Research, 10 (1) 128-155 doi:10.1016/j.gr.2005.12.005 | Journal (article/letter/editorial) | | ultrahigh-temperature metamorphism in Southern India: UâThâPb electron microprobe ages from zircon and...shear zone system and Ganguvarpatti in the northern Madurai Block of southern India. Mineral assemblages...displayed by the UHT granulites of Sengal and Ganguvarpatti, although detrital grains with ⌠2000 Ma ages...Mesoproterozoic ages in most cases. Zircon cores from Ganguvarpatti range from 2279 to 749 Ma and are interpreted...ultrahigh-temperature metamorphism in southern India as latest Neoproterozoic to Cambrian in both the |  | | Journal (article/letter/editorial) | | granulites from the Palni Hill Ranges, southern India M . R A I T H 1, S . K A R M A K A R2 AND M. B RO...Department of Geology, J. K. College, Purulia 723 101, India 3 Department of Geology, University of Maryland...new locality in the Palni Hill Ranges, southern India, occur in a small enclave of migmatitic, highly...heating, kyanite was converted to sillimanite, and biotite was involved in a series of vapour-phase-absent...the overthickened crust. (3) Development of late biotite through back-reaction of melt with residual garnet |  | Shazia, J.R., Harlov, D.E., Suzuki, K., Kim, S.W., Girish-Kumar, M., Hayasaka, Y., Ishwar-Kumar, C., Windley, B.F., Sajeev, K. (2015) Linking monazite geochronology with fluid infiltration and metamorphic histories: Nature and experiment. Lithos, 236. 1-15 doi:10.1016/j.lithos.2015.08.008 | Journal (article/letter/editorial) | | Indian Institute of Science, Bangalore 560 012, India GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473...Republic of Korea f Geological Survey of India, Bangalore, India g Department of Earth and Planetary Systems...from the Kodaikanal region, central Madurai Block, southern India have undergone ultrahigh-temperature...ultrahigh-temperature (UHT) rocks from southern India, speciïŹcally the Madurai Block, vary widely from 600 Ma to 450...concluded that a major thermal event affected the Madurai Block during the NeoproterozoicâCambrian (e.g. |  | Prakash, D., Yadav, R., Tewari, S., Frimmel, H. E., Koglin, N., Sachan, H. K., Yadav, M. K. (2018) Geochronology and phase equilibria modelling of ultra-high temperature sapphirineâ+âquartz-bearing granulite at Usilampatti, Madurai Block, Southern India. Geological Journal, 53 (1) 139-158 doi:10.1002/gj.2882 | Journal (article/letter/editorial) | | quartz-bearing granulite at Usilampatti, Madurai Block, Southern India D. PRAKASH1*, R. YADAV1, S. TEWARI1...Banaras Hindu University, Varanasi, Uttar Pradesh, India Institute of Geography and Geology, University of...Uttarakhand, India 2 Sapphirine-bearing granulite from Usilampatti in the Madurai block of southern India preserves...a three-stage metamorphic evolution. Corroded biotite, sillimanite and quartz inclusions within garnet...garnet, XMg orthopyroxene, XMg sapphirine and XMg biotite. The P-T conditions for Stage 1 thus obtained, |  | | Journal (article/letter/editorial) | | of sapphirine-bearing granulites from Ganguvarpatti, South India: evidence for an isothermal decompression...Geology, Banaras Hindu University, Varanasi-221 &IS, India 'Department of Geology, Leicester University, Leicester...Leicester L E I 7RH, UK ABSTRACT Ganguvarpatti is part of a Precambrian terrane characterized by granulite...reaction textures; sapphirine granulites; South India. INTRODUCTION The Southern Indian Shield is one...short (c. 50-100 Ma). The importance of the Ganguvarpatti area, constituting a portion of the southern |  | | Journal (article/letter/editorial) | | ultrahightemperature mafic granulites from Karur, southern India: evidence for decompressive and cooling retrograde...Springer-Verlag 2010 Abstract The Madurai Block, southern India, lies between the Palghat-Cauvery and...portion of the granulite-facies terrain of the Madurai block. Highpressure (HP) and ultrahigh-temperature...Hindu University, Varanasi 221 005 Uttar Pradesh, India e-mail: dprakashbhu@yahoo.com H. K. Sachan Wadia...33, General Mahadev Singh Road, Dehradun 24800, India undergoing decompression. The SHRIMP data presented |  | | Journal (article/letter/editorial) | | Quartz Assemblage from Kodaikanal in the Madurai Block, Southern India: Implications for Ultrahigh-Temperature...Quartz Assemblage from Kodaikanal in the Madurai Block, Southern India: Implications for Ultrahigh-Temperature...Quartz Assemblage from Kodaikanal in the Madurai Block, Southern India: Implications for Ultrahigh-Temperature...gneiss from the Kodaikanal region, Madurai Block, southern India. The petrogenetic grid in the KFMASH...Comparison of available P-T trajectories of the Madurai Block and adjacent areas suggests that the Kodaikanal |  | Endo, Takahiro, Tsunogae, Toshiaki, Santosh, M., Shaji, E. (2012) Phase equilibrium modeling of incipient charnockite formation in NCKFMASHTO and MnNCKFMASHTO systems: A case study from Rajapalaiyam, Madurai Block, southern India. Geoscience Frontiers, 3 (6) 801-811 doi:10.1016/j.gsf.2012.05.005 | Journal (article/letter/editorial) | | systems: A case study from Rajapalaiyam, Madurai Block, southern India Takahiro Endo a, Toshiaki Tsunogae a...University of Kerala, Kariyavattom, Trivandrum 695 581, India b Received 26 March 2012; received in revised form...Pseudosection; Reduced fluid; Petrology; Southern India Abstract Incipient charnockites represent granulite...charnockite locality at Rajapalaiyam in the Madurai Block, southern India, and discuss the petrogenesis based...analysis. Rajapalaiyam is a key locality in southern India from where diagnostic mineral assemblages for u |  | | Journal (article/letter/editorial) | | South India D. Prakash Departrnent of Geology, Banaras Hindu University, Varanasi 22 I 005, India (Mnniiscript...terrane of the Precambrian shield of the southern India (Fig. la). The investigated area comprises a variety...basic granulites occur in the northern portion of Tamil Nadu and southern Karnataka. Several workers including...granulites that occur in the southern block of Tamil Nadu (Harris et al., 1982; Mohan et al., 1985; Prakash...because of preferred orientation of hornblende and biotite and rarely pyroxenes. Anhydrous variety of basic |  | | Journal (article/letter/editorial) | | the eastern Trivandrum Granulite Block, southern India: implications for regional correlation of lower...the Trivandrum Granulite Block (TGB), southern India, and compare with the paths from the western part...the Palghat Cauvery Shear Zone system (PCSZ) and Madurai Granulite Block (MGB). The results therefore suggest...metamorphism, Trivandrum Granulite Block, Southern India, Gondwana supercontinent - INTRODUCTION - The...granulite (khondalite), quartzo feldspathic garnet biotite gneiss (leptynite), charnockite, and subordinate |  | | Journal (article/letter/editorial) | | inclusions in charnockites from Kodaikanal massif (South India): P-T record and implications for crustal uplift...University, Varanasi, India 2Wadia Institute of Himalayan Geology, Dehradun, India With 6 Figures Received...consistent with the following main reactions: i. Biotite + Quartz = Orthopyroxene + Alkali feldspar + Garnet...Garnet consuming reactions and the preservation of biotite-quartz-orthopyroxeneplagioclase symplectites are...granulite facies terrane of Palni hills in Tamil Nadu, southern India. The high-grade rocks of the southern |  | | Journal (article/letter/editorial) | | for the correlation of crustal blocks in southern India Shunsuke Ishii a , Toshiaki Tsunogae a,b,â, M. Santosh...2006 Abstract The Achankovil Zone of southern India, a NWâSE trending lineament of 8â10 km in width...feature, considered to mark the boundary between the Madurai Granulite Block in the north and the Trivandrum...spinel + ilmenite + magnetite ± orthopyroxene ± biotite ± K-feldspar ± sillimanite. The lithology preserves...with those reported in recent studies from the Madurai Granulite Block, but different from those documented |  | | Journal (article/letter/editorial) | | from the Palghat-Cauvery Suture Zone, southern India: Evidence for high-pressure and ultrahigh-temperature...Palghat-Cauvery Suture Zone (PCSZ) in southern India providing unequivocal evidence for extreme crustal...petrological data from the Madurai Block, one of the largest granulite blocks in southern India, indicate deep crustal... 2004). From the southern granulite terrane in India, sapphirine+ quartz assemblage has been reported...second one, recently from Ganguvarpatti (Kondou et al., 2009), both within the Madurai Block. In contrast, |
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