Age and Origin of Siberian diamonds: a Re-Os isotope study of sulphide inclusions

Dataset description

Knowing the age of diamonds is critical to understanding their formation and likely distribution in the mantle. Re-Os isotope analyses of synergetic sulphide inclusions allows dating of individual diamonds by isochron and model age methods. This method will be applied to a suite of well-characterised Siberian diamond inclusions from several different kimberlite pipes. We will aim to determine the ages of eclogite-suite and periodite-suite diamonds, which may provide clues as to their different modes of origin. Shrimp ii Pb-Pb isotope and S-isotopic measurements will further constrain the age and origin of the sulphides and hence the diamonds. N-aggregation studies on the host diamonds will independently assess mantle residence times. We will examine absolute age differences between cores and rims of diamonds by laser cutting fragments of diamonds with multiple inclusions.

Further information

For more information please contact:

Enquiries

Environmental Science Centre, Nicker Hill, Keyworth
Nottingham
NG12 5GG

Tel : +44 (0)115 936 3143
Fax :+44 (0)115 936 3276
Email :enquiries@bgs.ac.uk

 

Dataset details

Author(s) Pearson, Professor D G
Principal Investigator(s) Pearson, Professor D G
Earth Sciences
University of Durham
Language English
Curator British Geological Survey
Supply media/format Microsoft Excel; Version:
Storage format Not available
Frequency of update not applicable
Start of capture {ts '1998-02-01 00:00:00'} Not known
End of capture {ts '2000-05-01 00:00:00'} May 2000
Contact details
Department Enquiries
Organisation British Geological Survey
Address Environmental Science Centre, Nicker Hill, Keyworth
City Nottingham
County Nottinghamshire
Country United Kingdom
Postcode NG12 5GG
E-mail enquiries@bgs.ac.uk
Telephone +44 (0)115 936 3143
Fax +44 (0)115 936 3276
Keywords
Topic category code (ISO) geoscientificInformation (information pertaining to earth sciences)
Keywords DIAMONDS
EARTH MANTLE
Keyword source BGS Keyphrases
Spatial details
Spatial Reference System Not available
Dataset extent
Coverage (Lat/Long) North boundary : 
East boundary  : 
South boundary : 
West boundary  : 
Metadata
Metadata language English
Metadata last updated 30th March 2012
Metadata standard compliance NERC profile of ISO19115:2003
Copyright and IPR
The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.