Macquarie University, Sydney Macquarie University ResearchOnline

Showing items 16 - 30 of 56.

Add to Quick Collection   All 56 Results

Sort:
 Add All Items to Quick Collection
Date: 2013
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/288752
Description: 1 page(s)
Date: 2013
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/288751
Description: 1 page(s)
Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/262693
Description: Mixed-habit diamonds are a special type of crystal that form by simultaneous growth by two different mechanisms; octahedral and cuboid growth. This type of crystal growth is known to preferentially pa ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/289114
Description: 1 page(s)
Date: 2013
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/289109
Description: 1 page(s)
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/187004
Description: The Bockfjord area of NW Spitsbergen (Norwegian Arctic) exposes a long history of crustal evolution, culminating in the Caledonian (400–500 Ma) orogeny; prior to the opening of the N. Atlantic Ocean, ... More
Reviewed: Reviewed
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/1959.14/208803
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/1959.14/207051
Description: Fourier transform infrared mapping of diamonds can reveal detailed information on impurities, with a spatial context. We apply this technique, combined with in situ isotopic analysis of carbon, to the ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/214103
Description: A worldwide database of >16,000 U-Pb and Hf-isotope analyses of zircon, largely from detrital sources, has been interogated to analyse the processes of crustal evolution on a global scale, and to test ... More
Date: 2012
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/213953
Description: A U-Pb/Hf-isotope study of >16,000 zircons from sources worldwide has demonstrated that at least 70% of Earth's continental crust probably formed in Archean time, and much probably is >3 Ga old. The m ... More
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/200822
Description: Developments in technology are making the application of Fourier Transform infrared (FTIR) mapping to the study of minerals more feasible. In the case of diamonds, IR spectroscopy provides a simple me ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/170570
Description: Recent studies integrating mantle and lower crustal geochronology on xenolith samples, isotopic information from crustal zircons worldwide, and seismic tomographic imaging of deep lithosphere domains, ... More
Date: 2011
Subject Keyword: 040200 Geochemistry | 040300 Geology
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/134283
Description: How has the Earth's continental crust evolved? Most of our knowledge comes from surface exposures, but zircon xenocrysts in volcanic rocks can provide samples of deeper crustal levels. The U-Pb and Hf ... More
Reviewed: Reviewed
Date: 2011
Language: eng
Resource Type: conference paper abstract
Identifier: http://hdl.handle.net/1959.14/170614
Description: Archean cratons are underlain by highly depleted subcontinental lithospheric mantle (SCLM). However, xenolith and xenocryst data [1; references therein] suggest that Archean SCLM has been extensively ... More