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Electron backscatter diffraction data and sample analysis from the Nusfjord Shear Zone, Lofoten, Norway (NERC Grant NE/P001548/1)

Field and microstructural analysis of pseudotachylytes formed at lower crustal depths and now lying exposed in the Flakstadøy Anorthosite, Lofoten, Norway. Electron backscatter diffraction (EBSD) analysis : 10 EBSD datasets (cpr files) - unfiltered. These characterise deformation in pyroxenes spatially associated with pseudotachylyte faults in the Nusfjord anorthosite. Grain size analysis - backscattered electron (BSE) images and processed equivalents (segmented manually or with ImageJ software) of fragmented orthopyroxene for grain size analysis. Results are processed in the spreadsheet 'Grain size distributions for fragmented OPX'. Samples involved: LC1724 and N22 Grain growth modelling - spreadsheet calculating grain growth rates for orthopyroxene in samples LC1724 and N22 Strain analysis - used to estimate strain via clast analysis of mylonitised pseudotachylyte, sample 269c

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Identification info

Metadata Language
English (en)
Dataset Reference Date ()
2021-11-08
Identifier
http://data.bgs.ac.uk/id/dataHolding/13607842
  University of Plymouth - Luca Menegon ( School of Geography, Earth and Environmental Sciences )
Drake Circus , Plymouth , Devon , PL4 8AA ,
  University of Hull - Lucy Campbell ( Department of Geography, Geology and Environment )
Cottingham Road , Hull , HU6 7RX ,
  British Geological Survey - Enquiries
  British Geological Survey - Enquiries
Maintenance and update frequency
notApplicable
GEMET - INSPIRE themes
  • Geology
BGS Thesaurus of Geosciences
  • Shear zone
  • Faults
  • Seismicity
  • Earthquakes
Keywords
  • NERC_DDC
Limitations on Public Access
otherRestrictions
Other constraints
licenceOGL
Other constraints
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Use constraints
otherRestrictions
Other constraints
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
There are no restrictions on the use that may be made of the dataset, although an appropriate copyright acknowledgement must be made when any part of the dataset is reproduced. Either no third party data / information is contained in the dataset or BGS has secured written permission from the owner of any third party data / information contained in the dataset to make the dataset freely available without any use constraints - inclusion of any third party data / information will affect the copyright acknowledgement that needs to be made.
Spatial representation type
vector
Topic category
  • Geoscientific information
Extent
LOFOTEN [id=133032]

Dataset Reference Date ()
1979

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Begin date
2021-11-01
End date
2021-11-08
 

Spatial Reference System

No information provided.

Distribution Information

Data format
  • MS Excel ()

  • EBSD files .cpr ()

  • Image files .tiff ()

  • Images files .jpg ()

Resource Locator
Data
Resource Locator
Digital Object Identifier (DOI)
Resource Locator
Data
Resource Locator
Digital Object Identifier (DOI)
 
Quality Scope
dataset
Other
dataset

Report

Dataset Reference Date ()
2011
Explanation
See the referenced specification
Degree

Report

Dataset Reference Date ()
2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
Degree
Statement
EBSD data and BSE images: acquired from polished sections of the sampled pseudotachylytes at the Electron Microscopy Centre, Unversity of Plymouth using JEOL 7001 FEG-SEM (Nordlys Nano detector) and a JEOL 6610 low vacuum SEM (Nprdlys Max detector). Working distances, step sizes and accelerating voltages are contained within individual .cpr files. Grain growth modelling uses the empirical growth laws sourced from: Skemer, P., & Karato, S. (2007). Effects of solute segregation on the grain-growth kinetics of orthopyroxene with implications for the deformation of the upper mantle. Physics of the Earth and Planetary Interiors, 164(3), 186–196. https://doi.org/https://doi.org/10.1016/j.pepi.2007.06.011

Metadata

File identifier
d0954a48-8d9d-1684-e054-002128a47908 XML
Metadata Language
English (en)
Resource type
dataset
Metadata Date
2023-03-22
Metadata standard name
UK GEMINI
Metadata standard version
2.3
  British Geological Survey
Environmental Science Centre,Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
+44 115 936 3100
 
 

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