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| metapelites and metagreywackes in western Tianshan, China: metamorphic evolution and tectonic implications...of Earth and Space Sciences, Peking University, China (lfzhang@pku.edu.cn) 2 Institute of Mineralogy and...metamorphic belt of western Tianshan in northwestern China is a rarely preserved oceanic UHP terrane which...metapelites and metagreywackes from the Habutengsu Valley and adjacent area within this belt contain quartz...pseudomorphs of clinozoisite + paragonite after lawsonite are common, seldom also together with inclusions |
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| 724–743, 2019 Geochemical characteristics of lawsonite blueschists in tectonic mélange from the Tavşanlı...Chinese Academy of Sciences, Guangzhou 510640, China. Orcid 0000-0001-6560-0654 2 ARC Centre of Excellence...The petrology, mineralogy, and geochemistry of lawsonite blueschists from the Tavşanlı zone in northwest...best-preserved blueschist terranes in the world—have been comprehensively investigated. The blueschist samples...samples contain lawsonite + sodic amphibole + phengite + chlorite + titanite + apatite ± aragonite ± quartz |
 | Hunziker, D., Burg, J.-P., Moulas, E., Reusser, E., Omrani, J. (2017) Formation and preservation of fresh lawsonite: Geothermobarometry of the North Makran Blueschists, southeast Iran. Journal of Metamorphic Geology, 35 (8) 871-895 doi:10.1111/jmg.12259 | Journal (article/letter/editorial) |
| Article Formation and preservation of fresh lawsonite: Geothermobarometry of the North Makran Blueschists...Square, Meraj Avenue, Teheran, Iran Short Title: Lawsonite-blueschists in North Makran, Iran ABSTRACT A...lenses and a large klippe of low temperature, lawsonite-bearing blueschists formed during the Cretaceous...Cretaceous closure of the Tethys Ocean. The largest blueschist outcrop is a >1000 m thick coherent unit with...interlayered metabasalts and metavolcanoclastic rocks. Blueschist metamorphism is only incipient in coarse grained |
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| creating the abnormal conditions required for blueschist generation was still missing. This mechanism...problems in this region than in the Circum-Pacific blueschist complexes, where the dynamic, steady-state plate...precollisional paleogeographic setting do the blueschist protoliths represent: oceanic crust, continental...Alpine-Himalayan blueschist complexes in the frame work of the above questions. BLUESCHIST FACIES The blueschist...blueschist facies is characterized by a unique series of dense minerals comprising sodic amphibole, lawsonite |
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| Abstract. The compositions of sodic pyroxenes from blueschist metabasites in Northwest Turkey were investigated...compared with sodic pyroxenes from high-grade blueschist terrains and eclogites with special reference...the island of Syros in Greece. Pyroxenes from lawsonite zone metabasites in Northwest Turkey are chloromelanites...down to 30%. Epidote-garnet bearing high-grade blueschist metabasites of Syros on the other hand contain...metabasites and metacherts. The eastern part of the blueschist belt in the region of Mihallicik was studied |
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| lowpressure environment. Eclogites, blueschists, lawsonite schists and other metasediments occuring at different... Arrows point to the locations of some of the outcrops of the metamorphic aureole after Searle and Malpas...LIMESTONE. B A S A L C O N G L O M E R A T E A 3- LAWSONITE - CHLORITE - QUARTZ (This study) 4- PYROPHYLLITE...less (Searle & Malpas 1980; Spray 1984). In many outcrops, the sole rocks have been completely detached...overlying ophiolite (Boudier et al. 1985). In most outcrops, the metamorphic sole is dissected by several |
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| Petrology, and Phase Relations of Glaucophane-Lawsonite Zone Blueschists From the Tavsanh Region, Northwest...Cambridge CB2 3EW, England Abstract. Glaucophane-lawsonite facies blueschists representing a metamorphosed...generally high oxidation states of the blueschists. Lawsonite has a very uniform composition with up to 2.5...epidote is found in metacherts coexisting with lawsonite. Phengites arc distinctly higher in their Fe,...has been constructed involving projections from lawsonite, iron-oxide and quartz onto a tetrahedron with |
