Macquarie University, Sydney Macquarie University ResearchOnline

Showing items 61 - 75 of 177.

Add to Quick Collection   All 177 Results

Sort:
 Add All Items to Quick Collection
Date: 2013
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/289057
Description: 1 page(s)
Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/262119
Description: Small (< 5m) chromitite bodies in the Ojén peridotite massif (southern Spain) were formed when small fractions of volatile-rich melts, residual after kilometric-scale infiltration through the subconti ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/201696
Description: Podiform chromite deposits occur in ultramafic-mafic bodies scattered along the Pacific coast of Mexico. However, some important features of these chromite deposits, such as the nature of their parent ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/197432
Description: Podiform chromitites in ophiolite usually are interpreted as the crystallization products of mafic magmas, contemporaneous with the generation of the ophiolite at mid-oceanic ridges or back-arc spread ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/208545
Description: The Western Yukon contains an assemblage of schists, basalts and ultramafic rocks. The basalts were recently dated (U-Pb zircon) as Lower Permian (282 Ma, Escayola et al, in prep). The ultramafic mass ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/202682
Description: Eclogites and gneisses from the Yuka and Xitieshan areas in the North Qaidam orogen, NE Tibet, experienced ultrahigh-pressure (UHP) metamorphism in the early Paleozoic, when the Qaidam block subducted ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/211533
Description: Detailed, quantitative electron backscatter diffraction (EBSD) analysis of polycrystalline diamond rocks (diamondites) provides insights into their formation and significance. The fine grain size of d ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/180315
Description: Pyrope garnet grains found in Cretaceous and Quaternary alluvial sediments in the El Kseibat area (Algeria) suggest the presence of kimberlites along the NE margin of the West African Craton. The garn ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/191023
Description: Detrital zircon U-Pb geochronology can make an extremely valuable contribution to provenance studies and paleogeographic reconstructions, but the technique cannot distinguish grains with similar ages ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/198347
Description: The Carboniferous tectonic setting of the Junggar terrane, northern Xinjiang, NW China, has long been a matter of debate. Voluminous Carboniferous volcanic rocks are widely distributed in the Karamail ... More
Reviewed: Reviewed
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: 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