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| Chinese Academy of Sciences, Guangzhou 510640, China. Orcid 0000-0001-6560-0654 2 ARC Centre of Excellence...best-preserved blueschist terranes in the world—have been comprehensively investigated. The blueschist samples...+ phengite + chlorite + titanite + apatite ± aragonite ± quartz ± relict igneous pyroxene ± Mn-rich garnet...and apatite strongly controls Sr. Two groups of blueschist have different origins—enriched continent-derived...initial Sr-Nd-Pb isotopic results. Lawsonite in blueschist with enriched origin exhibits strong Th/La fractionation |
 | 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) |
| 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...metamorphic recrystallization. The low variance blueschist peak assemblage is glaucophane, lawsonite, titanite...and rutile assemblages before entering into the blueschist facies and finally following a retrograde path...metamorphism; counterclockwise P-T path 1. INTRODUCTION Blueschist-facies rocks are markers of fossil subduction |
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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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| in the eastern part of the Northwest Turkish blueschist belt in the region of Mihalli~ik, and distinguished...in grade northwards. He also obtained ages for blueschist metamorphism of 60-80 M a (@o~ulu and K r u m...m menacher 1967). Ltinel (1967) studied a small area of glaucophane-lawsonite facies blueschists south...isolated small blueschist outcrops south of Tavsanh. Geology Throughout the NW Turkish blueschist/ultramafic...blueschist/ultramafic belt the outcrops are separated by an extensive Neogene cover. A large area (20 to 45 kin) of blueschists |
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| the Saih Hatat area, shown in Fig. 2. Arrows point to the locations of some of the outcrops of the metamorphic...Muscot % ii" Fig. 2. Geologic map of the Saih Hatat area (simplified from Le Metour et al. (1986). Solid...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...(Fig. 2; Le Metour et al. 1986). The Saih Hatat area is a structural dome flanked by the ophiolite and |
