Identification

Title

Scanning electron microscopy (SEM) and X-ray microtomography of fluidal pyroclasts (X-ray microtomography) (NERC grant NE/L013932/1)

Abstract

Scanning electron microscopy (SEM) and X-ray microtomography of fluidal pyroclasts (X-ray microtomography). Data are referenced in Clarke et al., 2019: Fluidal pyroclasts reveal the intensity of peralkaline rhyolite pumice cone eruptions; https://doi.org/10.1038/s41467-019-09947-8.

Resource type

dataset

Resource locator

https://doi.org/10.1038/s41467-019-09947-8

function: information

https://www.bgs.ac.uk/services/ngdc/accessions/index.html#item130145

name: Data

function: download

Unique resource identifier

code

http://data.bgs.ac.uk/id/dataHolding/13607513

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

Volcanic ejecta

Peralkaline

Pyroclastic rocks

Rift zone

Volcanism

NGDC Deposited Data

Electron microscopes

originating controlled vocabulary

title

reference date

date type

revision

effective date

2022

Keyword set

keyword value

Keyword set

keyword value

NERC_DDC

Geographic location

West bounding longitude

38.7500

East bounding longitude

38.8500

North bounding latitude

7.8500

South bounding latitude

7.7500

Extent

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

ET

Extent group

authority code

title

reference date

date type

revision

effective date

2009

code identifying the extent

ETH

Extent group

authority code

title

reference date

date type

creation

effective date

1979

code identifying the extent

ETHIOPIA [id=692000]

Temporal reference

Temporal extent

Begin position

2016-02-11

End position

2016-09-27

Dataset reference date

date type

creation

effective date

2019-09-26

Frequency of update

notApplicable

Quality and validity

Lineage

Secondary electron backscatter analysis was carried out using the Carl Zeiss SIGMA HD VP Field Emission SEM at the University of Edinburgh . X-ray microtomography was undertaken using an in-house constructed XCT scanner at the University of Edinburgh. Clasts were measured and the X-ray source-sample distance was adapted for each clast to ensure a whole-clast analysis whilst attaining an optimum resolution. Each sample was rotated around 180° and a series of exposures taken. These images were reconstructed and corrected for beam hardening using Octopus v8.7. For qualitative 3D analysis of the internal structure, these images were loaded into Avizo 9 and a threshold was applied.

Conformity

Conformity report

specification

title

reference date

date type

publication

effective date

2011

degree

false

explanation

See the referenced specification

Conformity report

specification

title

reference date

date type

publication

effective date

2010-12-08

degree

false

explanation

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

Data format

name of format

tiff files

version of format

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Limitations on public access

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.

Responsible organisations

Responsible party

organisation name

University of Edinburgh

email address

kathy.whaler@ed.ac.uk

responsible party role

principalInvestigator

Responsible party

contact position

Department of Earth Sciences

organisation name

University of Cambridge

full postal address

Downing Street

Cambridge

CB2 3EQ

email address

not available

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact

organisation name

British Geological Survey

full postal address

Environmental Science Centre,Keyworth

NOTTINGHAM

NG12 5GG

United Kingdom

telephone number

+44 115 936 3100

email address

enquiries@bgs.ac.uk

responsible party role

pointOfContact

Metadata date

2025-03-03

Metadata language