Academic literature on the topic 'Palghat- Cauvery Shear System'
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Journal articles on the topic "Palghat- Cauvery Shear System"
SANTOSH, M. "Gemstone Mineralization in the Palghat-Cauvery Shear Zone System (Karur-Kangayam Belt), Southern India." Gondwana Research 6, no. 4 (October 2003): 911–18. http://dx.doi.org/10.1016/s1342-937x(05)71035-2.
Full textKOSHIMOTO, Saori, Toshiaki TSUNOGAE, and M. SANTOSH. "Sapphirine and corundum bearing ultrahigh temperature rocks from the Palghat-Cauvery Shear System, southern India." Journal of Mineralogical and Petrological Sciences 99, no. 5 (2004): 298–310. http://dx.doi.org/10.2465/jmps.99.298.
Full textSantosh, M., Toshiaki Tsunogae, and Saori Koshimoto. "First Report of Sapphirine-bearing Rocks from the Palghat-Cauvery Shear Zone System, Southern India." Gondwana Research 7, no. 2 (April 2004): 620–26. http://dx.doi.org/10.1016/s1342-937x(05)70813-3.
Full textLasitha, S., D. Twinkle, P. John Kurian, and P. R. Harikrishnan. "Geophysical evidence for marine prolongation of the Palghat-Cauvery shear system into the offshore Cauvery basin, Eastern continental margin of India." Journal of Asian Earth Sciences 184 (October 2019): 103981. http://dx.doi.org/10.1016/j.jseaes.2019.103981.
Full textTSUNOGAE, Toshiaki, M. SANTOSH, and Makoto SHIMPO. "Sodicgedrite in ultrahigh-temperature Mg-Al-rich rocks from the Palghat-Cauvery Shear Zone system, southern India." Journal of Mineralogical and Petrological Sciences 102, no. 1 (2007): 39–43. http://dx.doi.org/10.2465/jmps.060824.
Full textCollins, Alan S., Chris Clark, K. Sajeev, M. Santosh, David E. Kelsey, and Martin Hand. "Passage through India: the Mozambique Ocean suture, high-pressure granulites and the Palghat-Cauvery shear zone system." Terra Nova 19, no. 2 (April 2007): 141–47. http://dx.doi.org/10.1111/j.1365-3121.2007.00729.x.
Full textNISHIMIYA, Yuki, Toshiaki TSUNOGAE, and M. SANTOSH. "Petrology and fluid inclusions of garnet-clinopyroxene rocks from Paramati in the Palghat-Cauvery Shear Zone System, southern India." Journal of Mineralogical and Petrological Sciences 103, no. 5 (2008): 354–60. http://dx.doi.org/10.2465/jmps.080617.
Full textCollins, Alan S., M. Santosh, Louise Kropinski, Martin P. Hand, Clark Chris, K. Saieev, Stacey McKenzie, and Peter D. Kinny. "The Mozambique Ocean Suture in Southern India: Age and Significance of Granulites in the Palghat-Cauvery Shear Zone System." ASEG Extended Abstracts 2006, no. 1 (December 2006): 1–3. http://dx.doi.org/10.1071/aseg2006ab027.
Full textTsunogae, T., and M. Santosh. "Ti-free högbomite in spinel- and sapphirine-bearing Mg-Al rock from the Palghat-Cauvery shear zone system, southern India." Mineralogical Magazine 69, no. 6 (December 2005): 937–49. http://dx.doi.org/10.1180/0026461056960300.
Full textClark, Chris, Alan S. Collins, M. Santosh, Richard Taylor, and Benjamin P. Wade. "The P-T-t architecture of a Gondwanan suture: REE, U–Pb and Ti-in-zircon thermometric constraints from the Palghat Cauvery shear system, South India." Precambrian Research 174, no. 1-2 (October 2009): 129–44. http://dx.doi.org/10.1016/j.precamres.2009.07.003.
Full textDissertations / Theses on the topic "Palghat- Cauvery Shear System"
Chowdhury, Priyadarshi [Verfasser], Sumit [Gutachter] Chakraborty, and Taras V. [Gutachter] Gerya. "Thermal and tectonic style of evolution of Precambrian crust : an example for Palghat-Cauvery Shear Zone, South India / Priyadarshi Chowdhury ; Gutachter: Sumit Chakraborty, Taras V. Gerya ; Fakultät für Geowissenschaften." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/1158499280/34.
Full textRowe, S. E. "Mechanism of formation and age of the Ayyarmalai A-type charnockite – granite association from the south-eastern Palghat- Cauvery Shear System, southern India." Thesis, 2010. http://hdl.handle.net/2440/104030.
Full textThe Ayyarmalai A-type charnockite and A-type alkali granite lies on the south-eastern margin of the Palghat-Cauvery Shear System and provides an example of co-magmatism that was later overprinted with granulite facies metamorphism at ~2.45-2.5Ga. The Palghat-Cauvery Shear System represents an intriguing zone with Neoproterozoic aged granulites (~800-500 Ma) to the south and Archaean granulites (~3000-2500 Ma) to the north; the origins of which are still often disputed. This study presents whole rock major and trace element compositions, mineral chemistry, pressure-temperature estimates and whole rock Sm-Nd, Rb-Sr, Pb-Pb and δ18O isotopic compositions of this A-type charnockite-granite association found at Ayyarmalai, Tamil Nadu, Southern India. The subsequent data from this study suggests that: (1) the Ayyarmalai charnockites from the Palghat-Cauvery Shear System have zircon ages that are synchronous with events in the Northern Granulite Terrain; (2) The Dharwar Craton is a strong candidate for the protolith of these rocks; (3) Evidence of a Neoproterozoic-Cambrian granulite metamorphic event (~520 Ma) appears to be absent in these rocks questioning the existence or location of a Neoproterozoic - Cambrian suture zone proposed for the Palghat-Cauvery Shear System recently. U-Pb zircon ages show zoned igneous cores ~2.65-2.68 Ga ages in both rock types defining the crystallisation age, while the large metamorphic rim overgrowths date the Archaean granulite metamorphic event at ~2.45 - 2.5 Ga. Geochemical data of the Ayyarmalai charnockites reveal a very primitive, unfractionated REE pattern with no Eu-anomaly, ferroan, high K-calc-alkaline, with moderate enrichment of LREE with respect to HREE and fall within the field of high Ba-Sr type granitoids. Extraction of Pyroxene- Hornblende rich cumulates resulted in an intermediate charnockites driving the crystallisation towards the final A-type alkali granite. The A-type alkali granites show a more fractionated REE pattern with a significant Eu-anomaly, ferroan, high-K- calc-alkaline, with enrichment of LREE and depletion in the low Ba-Sr type granitoids. εNd and Nd model ages indicate a highly evolved protolith (εNd(0) =-25.15 to -33.14) that encountered a crustal Archaean source (2.89-3.09 Ga) causing contamination as the magmas ascended. Harker diagrams, Nd data (isochron age, ~2519 Ma) and U-Pb zircon crystallisation ages suggest a co-magmatic relationship between the charnockite and alkali granite. Conventional geothermometry/barometry suggest minimum pressure-temperature conditions existed at 740 – 750°C and P=5.61 – 5.84 kbar. The data presented from this study is consistent with a magmatic origin of these charnockites favouring the early crystallisation of orthopyroxene. The correlation with the data from the Dharwar Craton suggest that the study region may have encountered Dharwar Craton on magmatic ascent causing crustal contamination
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2010
Metz, E. A. S. "Metamorphic and geochronological constraints from a proposed continental suture in southern India." Thesis, 2010. http://hdl.handle.net/2440/103991.
Full textThe Palghat-Cauvery Shear System (PCSS) has been proposed as a major suture in the assembly of Gondwana, delineating the site of closure of the Mozambique Ocean. Evidence of an 830 °C and 14 kbar peak metamorphic event has been identified in the Namakkal area, central PCSS. This event is associated with late Mesoproterozoic to early Neoproterozoic Sm-Nd age constraints recorded in the cores of 3000 and 5000 μm diameter garnets. Further P-T constraints, retrieved from structurally-defined younger mineral assemblages associated with partially reset Sm-Nd ages varying between 870.7±3.9 Ma and 683.3±3.0 Ma and moderately prolonged cooling periods of ~30 Myr, indicate that the central PCSS underwent a long-lived period of high-pressure amphibolite facies metamorphism, eventually heating to granulite facies, consistent with the Gondwana-forming suture hypothesis. This evidence supports the model for an early Neoproterozoic protolith metamorphosed during the Pan-African in a collision event for the Palghat-Cauvery Shear System.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2010