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Geomechanical properties of the Carboniferous Middle Coal Measures (Boreholes GGC01 and GGA08)

A brief description of ten core plug samples collected from borehole GGC01 (Glasgow, United Kingdom) is provided, as well as for twelve 15-50 g cuttings samples from 1m intervals within borehole GGA08. Samples were also collected from borehole GGA02 but not used for further analyses. Data comprise results from geomechanical tests, permeability and porosity measurements, and X-Ray Diffraction analyses performed on drillcore samples of sandstones, siltstones, mudstones and coals from eleven depth intervals within the GGC01 borehole. Geomechanical data include triaxial compressional strength, tensile strength, and frictional strength. Frictional strength data was also collected for cuttings samples of sandstones, siltstones, mudstones and coals from the GGA08 borehole. In total twenty-three tensile strength tests were performed on ten sampled intervals, and seven porosity measurements pre-and post-failure were taken. Nine triaxial compressive strength tests and twenty-one frictional strength tests were performed, with permeability measured both before and after failure or shear respectively. From compressive strength tests we also determined the Young’s modulus and Poisson’s ratio. Samples and data are derived from the UK Geoenergy Observatories Programme funded by the UKRI Natural Environment Research Council and delivered by the British Geological Survey.

Simple

Date (Creation)
2021-10-08
Citation identifier
http://data.bgs.ac.uk/id/dataHolding/13607824
Point of contact
Organisation name Individual name Electronic mail address Role

University of Liverpool

Steven Beynon

not available

Originator

British Geological Survey

Enquiries

not available

Distributor

British Geological Survey

Enquiries

not available

Point of contact
Maintenance and update frequency
notApplicable

GEMET - INSPIRE themes, version 1.0

  • Geology

BGS Thesaurus of Geosciences

  • Compression tests

  • Sandstone

  • Mudstone

  • Rock deformation

  • Tensile strength

  • NGDC Deposited Data

  • Permeability

  • Porosity

  • Abrasion

  • Clays

  • Geomechanics

  • Siltstone

dataCentre
  • UKGEOS
  • NGDC Deposited Data
Keywords
  • NERC_DDC

Access constraints
Other restrictions
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
Other restrictions
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

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
  • Geoscientific information
Begin date
2019-10-03
End date
2020-03-31

Reference System Information

No information provided.
Distribution format
Name Version

MS Excel

PDF

Distributor contact
Organisation name Individual name Electronic mail address Role

British Geological Survey

Enquiries

not available

Distributor
OnLine resource
Protocol Linkage Name
https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item168850

Data

Hierarchy level
Non geographic dataset
Other

non geographic dataset

Conformance result

Title

INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology

Date (Publication)
2011
Explanation

See the referenced specification

Pass
No

Conformance result

Title

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

See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF

Pass
No
Statement

Core plugs, 19.75mm in diameter, were cut to lengths appropriate for rock deformation laboratory tests (Paterson & Wong, 2005; ASTM D7012-14, 2014; ASTM D3967-16, 2016). Specimens were dried at ~30 °C for >24 hours prior to any testing. Samples were axially compressed in a triaxial deformation apparatus at the University of Liverpool (Faulkner & Armitage, 2013). Tensile strength experiments were conducted using a uniaxial press and a Brazilian test jig. X-Ray Diffraction (XRD) Analyses were performed on eleven samples of crushed core material from the GGC01 borehole. Sample material was prepared using a mill crusher and agate ball crusher so that a size fraction of <125 µm was obtained for each test sample. Porosity of each GGC01 core plug sample was measured using a Quantochrome Multipycnometer, and permeability (k) was determined using the pulse-transient method (Brace et al., 1968).

Metadata

File identifier
ce3e594b-cfb4-0300-e054-002128a47908 XML
Metadata language
English
Hierarchy level
Non geographic dataset
Hierarchy level name

non geographic dataset

Date stamp
2025-05-07
Metadata standard name
UK GEMINI
Metadata standard version

2.3

Metadata author
Organisation name Individual name Electronic mail address Role

British Geological Survey

enquiries@bgs.ac.uk

Point of contact
Dataset URI

http://data.bgs.ac.uk/id/dataHolding/13607824

 
 

Overviews

overview

Keywords

NGDC Deposited Data UKGEOS


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