Experimental logs and analysis of olivine polymorphs and MORB (Mid-Ocean Ridge Basalt) composition garnetite samples recovered from high-pressure faulting experiments
Multi-anvil experiments were performed both in static and deformation geometries on olivine polymorphs and MORB (Mid-Ocean Ridge Basalt) -composition garnetite. Faults were induced by uniaxial compression in both garnetite and wadsleyite but only the garnetite showed evidence of thermal run away to melting. These results suggest that strain localisation by thermal feedback might be an important mechanism for triggering deep earthquakes in the crustal portion of subducted slabs in the deeper transition zone (~500-660 km depth).
Simple
- Date (Creation)
- 2024-09-26
- Citation identifier
- http://data.bgs.ac.uk/id/dataHolding/13608306
- Point of contact
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Organisation name Individual name Electronic mail address Role University College London
Prof David Dobson
not available
Originator University College London
Longian Xie
not available
Originator University College London
Fang Xu
not available
Originator University of Oxford
Katharina Marquardt
not available
Originator British Geological Survey
Enquiries
not available
Distributor British Geological Survey
Enquiries
not available
Point of contact
- Maintenance and update frequency
- notApplicable
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GEMET - INSPIRE themes, version 1.0
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BGS Thesaurus of Geosciences
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Deep seismic surveys
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Basalt
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MORB
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Garnetite
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NGDC Deposited Data
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- dataCentre
- Keywords
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NERC_DDC
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- Access constraints
- Other restrictions
- Other constraints
- licenceOGL
- Use constraints
- Other restrictions
- Other constraints
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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.
- Other constraints
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Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
- Language
- English
- Topic category
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- Geoscientific information
- Begin date
- 2022-11-01
- End date
- 2024-10-12
Reference System Information
- Distribution format
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Name Version pptx
docx
xlsx
tiff
jpg
txt
- Distributor contact
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Organisation name Individual name Electronic mail address Role British Geological Survey
Enquiries
not available
Distributor
- OnLine resource
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Protocol Linkage Name https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item186488 Data
- OnLine resource
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Protocol Linkage Name https://doi.org/10.5285/7b24d391-ce38-42e2-a9d7-f2704d4ccf1f Digital Object Identifier (DOI)
- Hierarchy level
- Non geographic dataset
- Other
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non geographic dataset
Conformance result
- Title
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INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology
- Date (Publication)
- 2011
- Explanation
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See the referenced specification
- Pass
- No
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Explanation
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See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
- Pass
- No
- Statement
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Samples were pre-synthesised at 15 GPa and 1473 K from synthetic glass of MORB composition, or from San-Carlos olivine, in platinum foil capsules. Recovered synthetic samples were prepared for deformation experiments using the deformation-T-cup press at UCL (see Hunt et al Rev. Sci. Instr. 85, 085103, 2014. doi: 10.1063/1.4891338). Ductile deformation was performed at 15 GPa and 1473 K in axial shortening mode. Further brittle faults were introduced into the sample during decompression. Recovered deformed sample was sectioned perpendicular to the faults and polished for SEM and chemical analyses at UCL. TEM foils were prepared and TEM analysis was performed at Imperial College.
Metadata
- File identifier
- 26547278-cfd8-1491-e063-0937940a3eb3 XML
- Metadata language
- English
- Hierarchy level
- Non geographic dataset
- Hierarchy level name
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non geographic dataset
- Date stamp
- 2024-12-02
- Metadata standard name
- UK GEMINI
- Metadata standard version
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2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role British Geological Survey
Point of contact
- Dataset URI