 | Zhang, Yong, Pan, Tong, Zhang, Aikui, He, Shuyue, Qian, Ye, Bai, Yongshan (2023) Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun, China. Minerals, 13 (3) 330 doi:10.3390/min13030330 | Journal (article/letter/editorial) |
| minerals Article Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun...Qian, Y.; Bai, Y. Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun...between the Cu-Ni deposits and eclogite distribution. In this study, eclogite samples from the Xiarihamu...electron probe microanalysis (EPMA). Further, eclogite protolith properties, the formation environment...mechanism were also investigated. Geochemically, eclogite is rich in MgO and FeO and low in alkali and SiO2 |
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| conductivity of OH‑bearing omphacite and garnet in eclogite: the quantitative dependence on water content...Germany, part of Springer Nature 2019 Abstract Eclogite is potentially an important constituent in local...electrical conductivity of omphacite and garnet in eclogite has been measured at 1 GPa and 350–800 °C with...are used to model the bulk conductivity of an eclogite with different water contents and modal compositions...combination with reported data, the conductivity of the eclogite is similar to that of typical granulites above |
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| d laurosio(l/Europeon units Alpide blueschist-eclogite facies rocks Apulian units Alpide me tamorphosed...Rcgions shown in black indicate blueschist/eclogite outcrops irrespective of the degree of the later, lower...platform. In the Eastern Alps the Penninic zone outcrops in three large tectonic windows-Tauern, Engadine...Pognante & Kienast 1987). In this 500-km-long belt of eclogite facies metamorphism there are Pen ninic tectonic...volcanic rocks do not show any evidence for early eclogite facies metamorphism (Dal Piaz & Ernst 1978). The |
 | | Report (chapter) |
| garnet omphacite-rutile-quartz in glaucophane eclogite and garnet-omphacite-zoisiterutile _+kyanite _+phengite..._+phengite _+ankerite in barroisite eclogite. Most samples contain a significant amount of amphibole...barroisite in most samples, but in relatively Fe-rich eclogite it is glaucophane with significant Na in the A...evolution of the eclogite-bearing units of the Neelum valley just to the east of the Kaghan valley indicate that...that the eclogite occurrences of the Kaghan-Neelum area define an eclogite-bearing terrane of regional |
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| to account for the garnet peridotite and eclogite outcrops in the Alpe Arami peridotite mass near Bellinzona...6~ on the north side of Moldefjord in Romsdal district, some 45 miles N.W. of Tafjord. Lappin (1962,...PERIDOTITE 325 C) gg I0 PERIDOTITE 11 I OUTCROPS 2 I kms. r .0 ~'~J' c9 i 9 /i" UGELVI K...Garnet + Augite q-- Hornblende -k Biotite-l- Plagioclase-b rutile + sphene, 2. Garnet q- Augite -k Hornblende...Plagioclase -k Quartz qrutile -k sphene, 3. Garnet -k- Augite --k Hypersthene -k- Hornblende q- Biotite + Plagioclase |
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| indicate that distinct mantle sources existed for the eclogite protoliths 1.3 Ma ago, and that enrichment in...basic-ultrabasic complex; Champtoceaux Complex (Lower Loire valley); Horst des Essarts (in the VendBe)]. [I = 2 =...complex; (2) the Champtoceaux Complex (Lower Loire valley); (3) the Horst des Essarts (in the Vendbe). These...structural development. The sporadic occurrence of eclogite outcrops throughout these complexes is a notable feature...f 11 Ma; Paquette et al., 1984). Moreover, one eclogite (La Richaudais) has been recently dated, yielding |
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| University of Innsbruck, Innrain 52, A-6020 Innsbruck, Austria b CNR-Istituto di Geoscienze e Georisorse, Unità...University of Vienna, Althanstrasse 14, A-1090 Wien, Austria Received 20 April 2006; received in revised form...not changed significantly during the gabbro to eclogite transformation because trace elements are redistributed...Sc), rutile (Ti, Nb, Ta) and zircon (Zr, Hf ) at eclogite-facies conditions. Omphacite hosts most of the... All rights reserved. Keywords: Eastern Alps; Eclogite; Trace elements; Subduction; Rutile thermometry |
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| conductivity of xenoliths collected from the basaltic outcrops in the south Tien Shan Range. The Tien Shan mountains...closing of the Turkestan Basin and formation of eclogite in subduction zones occurred at a depth of about...[Simonov et al., 2008a, 2008b]. Now the Tien Shan eclogite complexes mark the suture zone of the closure...in the Tuoyun Basin in China, and in the Fergana valley to the east, basaltic flows and sills occur among...illustrating the locations of basaltic and eclogite outcrops and the magnetotelluric (MT) profile across |
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| Geol., 50: 201--222. A rare textural variety of eclogite characterized by a two-fold occurrence of omphacite...successive stages of metamorphic evolution: (1) Pre-eclogite stage, when the primary rocks developed the mineral...(greenschist facies). (2) Eclogite stage, when the rock gained typical eclogite mineral compositions as...unaccompanied by an increase in PH20 (eclogite facies). (3) Post-eclogite stage, when the garnet--omphacite...a fine-grained matrix of other minerals. This eclogite resembles megascopically carinthine-bearing rocks |
 | Carswell, D. A, Krabbendam, M., Cuthbert, S. J., Eide, E. A, Brueckner, H. K., Medaris Jr, L. G (2003) Guidebook to the Field Excursions in the Nordfjord-Stadlandet-Almklovdalen Area. Norges Geologiske Undersøkelse. Rapport 2003.056. Norges Geologiske Undersøkelse (NGU) | Report (issue) |
| conducted during the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June 21st-28th...high- and ultrahigh-pressure rocks. Keywords: Eclogite Gabbro Ultrahigh-pressure Peridotite Western...Microdiamond ALICE WAIN MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM JUNE 21st – 28th, 2003 in SELJE...spectroscopy, of an occurrence of coesite within an eclogite in the WGR. This coesite is preserved (armoured...Figure 1-1) within a small, partly retrograded, eclogite pod at Grytting, near Selje, in the SW part of |
 | Sheng, Ying-Ming, Xia, Qun-Ke, Dallai, Luigi, Yang, Xiao-Zhi, Hao, Yan-Tao (2007) H2O contents and D/H ratios of nominally anhydrous minerals from ultrahigh-pressure eclogites of the Dabie orogen, eastern China. Geochimica et Cosmochimica Acta, 71 (8) 2079-2103 doi:10.1016/j.gca.2007.01.018 | Journal (article/letter/editorial) |
| ultramafic rocks. Metamorphic grades range from UHP eclogite facies to greenschist facies. Eclogites occur...(3) the Central Dabie UHP eclogite facies unit, (4) the South Dabie HP eclogite facies unit, and (5) the...inferred for the Dabie eclogites are: (1) Prograde eclogite-facies metamorphism (phengite + omphacite inclusions...inclusions within garnet porphyroblasts), (2) Coesite eclogite-facies metamorphism (coesite + K-rich omphacite...inclusions within garnet), (3) Recrystallized eclogite-facies metamorphism represented by coarse-grained |
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| complex to create and preserve blueschist and eclogite, reflecting a cooling Earth. There may be a drastic...time shows three peaked periods of blueschist/eclogite formation, at 80 to 130 Ma, 400 to 500 Ma, and...transgression correspond to extensive blueschist/eclogite facies events and those of worldwide major regression...regression to less active periods of blueschist/eclogite formation. This relationship suggests that more...exhumation of blueschist/eclogite belts. The periodic pattern of blueschist/ eclogite formation is similar |
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| in b isolated outcrops or blocks at the surface of the Earth. Examples of such outcrops are the external...mountain-building. These isolated and patchily exposed outcrops or blocks make it difficult to understand the...metasediments, which was overprinted by high-pressure eclogite-grade metamorphism in the Silurian or Early Devonian...easily be traced further west into the Maderaner valley (Franks 1968, Schaltegger & Corfu 1995). However...Bietschhorn looking south-southeast across the Lötschen valley (Canton Valais, Switzerland). The contact between |
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| in b isolated outcrops or blocks at the surface of the Earth. Examples of such outcrops are the external...mountain-building. These isolated and patchily exposed outcrops or blocks make it difficult to understand the...metasediments, which was overprinted by high-pressure eclogite-grade metamorphism in the Silurian or Early Devonian...easily be traced further west into the Maderaner valley (Franks 1968, Schaltegger & Corfu 1995). However...Bietschhorn looking south-southeast across the Lötschen valley (Canton Valais, Switzerland). The contact between |
 | | Book (edition) |
| . . . . . . . . . . . . . . . . . . . . . 9.8 Eclogite Facies Metamorphism . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . 9.8.3 Eclogite Facies in Gabbroic Rocks . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . 10.3.4 Eclogite and Blueschist Facies Granitoids . . . . . . ...Introduction and General Aspects of Metamorphism Kyanite-eclogite from Verpeneset, Nordfjord, Norway. Omphacite...rocks in an extensional regime Typical Blueschist, eclogite, serpentinite, Slate, phyllite, schist, gneiss |
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| (amphibolite or granulite facies) exposed in surface outcrops (Bohlen and Mezger, 1989) and, in some cases,...Adirondacks, Variscan belt), granulitefacies and eclogite-facies rocks may be important constituents of...derived from the deep crust. These occur as surface outcrops of high-grade metamorphic terranes (e.g., Bohlen...be subordinate in middle-crustal sections and outcrops (described in the next section) compared to felsic...unusual when compared with Precambrian granulite outcrops because they contain a large proportion of mafic |
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| isotopes of nuclei on the proton-rich side of the valley of beta stability. Our subsequent discussions will...characteristic lifetime for b-unstable nuclei near the valley of b-stability, ensures that as captures proceed...neutron-capture path will itself remain close to the valley of b-stability. This defines the s-process. In...into the neutron-rich regions off the b-stable valley. Following the exhaustion of the neutron flux,...the capture products approach the position of the valley of b-stability by b-decay, forming the r-process |
 | | Report (volume) |
| concluded, on the basis of detailed mapping of eclogite outcrops within the granulite facies rocks, that the...19a shows a rock outcrop in which a dark vein of eclogite cross cuts the paler granulite. The vein is associated...19b shows an image of a garnet crystal from the eclogite-granulite interface. The dark part of this partially...composition, while the lighter regions are the eclogite composition replacement product. Electron back-scattered...crystal from the interface between granulite and eclogite. The dark parts of the partly pseudomorphed crystal |
