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Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/213786
Description: The rapid advances in in situ laser ablation (LA) inductively coupled plasma-mass spectrometry (ICP-MS) and multicollector (MC)-ICPMS have provided datasets in geochronology and geochemistry that have ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208578
Description: Polished plates of diamondites (polycrystalline diamond aggregates) from Africa and in eclogites from Lesotho, were prepared for study of internal structure and in-situ geochemical analysis, to unders ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208581
Description: Three types of garnet (Gnt) can be recognised in eclogites from the Udachnaya kimberlite pipe, with different major-, trace-element and O-isotope compositions and related to different stages of mantle ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208587
Description: There are few reliable analyses of Au in mantle sulfides. In this study, Au has been measured by LA-ICP-MS along with major and trace elements in sulfides in peridotite xenoliths from the Svalbard Arc ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/202335
Description: The Kuruman Kimberlite Province contains the oldest known kimberlites in the Kaapvaal Craton (∼1·6-1·8 Ga), but only limited geochronological and isotopic data exist for this province. To provide bett ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/204788
Description: Mantle xenoliths from the Kerguelen Archipelago record a complex multistage history involving a high degree (15 to 25%) partial melting that created a harzburgitic mantle completely stripped of Base M ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208665
Description: Chromite is a well-established indicator for the petrogenesis and geodynamic setting of ultramafic rocks. However, despite of its higher resistance to alteration relative to other minerals, its chemis ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208705
Description: Zircon U-Pb dating results indicate that late Neoarchean Badu Complex in the eastern Cathaysia Block, South China, experienced Paleoproterozoic high-grade metamorphism and was intruded by extensive co ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208708
Description: A large number of Mesozoic A-type granites occur along the E. coast of China; their origin and petrogenesis are controversial. A-type granites with depleted zircon oxygen isotopes (3.15.4) raise the m ... More
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