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Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/179564
Description: Podiform chromite deposits occur in the mantle sequences of many ophiolites that were formed in supra-subduction zone (SSZ) settings. We have measured the Re-Os isotopic compositions of the major chro ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/189578
Description: The Os-isotope compositions of platinum-group minerals (PGMs) in ophiolite chromitites are commonly regarded as resistant to fluid-related processes, and have been used to track the evolution of Earth ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208803
Description: Xenolithic eclogites are high-P/T garnet-clinopyroxene rocks brought to the surface by kimberlites and other primitive magmas. Their origins are controversial: do they represent subducted oceanic crus ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/184132
Description: Xenolithic eclogites are high-pressure, high-temperature garnet–clinopyroxene rocks brought fromthemantle to the surface by kimberlites and other primitivemagmas. Their origins have been controversial ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208899
Description: The refinement of analytical techniques of laser ablation is now opening a wider window of possibilities for measuring Os isotopes in situ on discrete mantle-derived phases such as platinum-group mine ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/176586
Description: In situ laser ablation MC-ICPMS was used to measure the Os-isotope compositions of single sulfide grains (≥ 5 μm in diameter) included in unaltered primary chromite from the podiform chromitite of Car ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/175722
Description: In order to distinguish the primary microstructures developed under mantle conditions from the secondary phenomena after xenolith entrainment in the host magma, this study intends to discuss the genes ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/211189
Description: The Qaidam basin preserves a denser, stronger and seismically faster lower crust with a shallower Moho than other Tibetan terranes. Its northern part is widely believed to have undergone an early Pale ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/199091
Description: Three leaching methods have been tested on garnet and clinopyroxene separates from Roberts Victor xenolithic eclogites, in an attempt to remove secondary materials and uncover the primary compositions ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/180296
Description: Hf model ages yielded by rutiles in a garnet-rich lower-crustal granulite xenolith from the McBride Province and whole-rock Nd and Hf model ages for the plagioclase- and garnet-rich Chudleigh and McBr ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/211790
Description: A U-Pb/Hf-isotope study of >16,000 zircons shows that 70% of Earth's continental crust probably formed in Archean time, and much probably is >3 Ga old. The model ages (TMA ) of ca 500 low-Re/Os sulfid ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/213956
Description: Study of mantle xenoliths from the kimberlite pipes allows to get an important information about the origin and transformations of the lithosphere substance. The most deep-seated rocks of the lithosph ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/211800
Description: Geochemical and geological evidence suggests that subduction processes, critical for the formation of many magmatic and hydrothermal ore deposits, have been active since about 3.9Ga. The emergence of ... More
Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/167755
Description: Petrology and major- and trace-element compositions of minerals of the peridotite xenoliths from the Liangcheng, Siziwangqi, Sanyitang and Datong suggest that the lithospheric mantle beneath the north ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/163963
Description: Many studies have addressed the Paleozoic to Triassic collisional processes along the southern margins of the North China Craton (NCC), but little is known about the evolution of this margin during Pr ... More
Reviewed: Reviewed