Identification

Title

Rockall Consortium (RCK) Geophysical and Sampling Survey 1998/1_RCK: West Shetland, Northern Rockall Trough, Hatton Bank (28/05/1998 to 17/06/1998)

Abstract

This Rockall Consortium marine geophysical and sampling survey took place in May/June 1998 in the area of West Shetland, Northern Rockall Trough and Hatton Bank on board RRS Challenger. Subsurface seismic data were collected with an airgun and sparker. Bathymetry data was collected with a Simrad EA500. Seabed samples were collected with a gravity corer. Technical details of the survey are contained in BGS Report WB/92/42C, https://nora.nerc.ac.uk/id/eprint/529921/. https://mapapps2.bgs.ac.uk/geoindex_offshore/home.html?cruise=1998/1_RCK&.

Resource type

dataset

Resource locator

http://mapapps2.bgs.ac.uk/geoindex_offshore/home.html?cruise=1998/1_RCK

protocol: HTTP

name: BGS Offshore Geoindex

description: GeoIndex allows users to search for information about BGS data collections covering the UK and other areas world wide. Access is free, the interface is easy to use, and it has been developed to enable users to check coverage of different types of data and find out some background information about the data. More detailed information can be obtained by further enquiry through the website.

function: search

Unique resource identifier

code

BGS_CMD_REF280

codeSpace

British Geological Survey

Dataset language

eng

Spatial reference system

authority code

OGP

code identifying the spatial reference system

urn:ogc:def:crs:EPSG::4326

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

publication

effective date

2008-06-01

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2010-05-18

Keyword set

keyword value

originating controlled vocabulary

title

reference date

date type

revision

effective date

2011-07-27

Geographic location

West bounding longitude

-20.0211

East bounding longitude

-2.4147

North bounding latitude

61.1056

South bounding latitude

57.2211

Extent

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Kennedy

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Rosemary Bank

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Darwin

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Sula Sgeir

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Rona

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Faroe Bank

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Wyville Thomson

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Judd

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Foula

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Flett

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Faroe Shetland Basin

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

North Rockall Basin

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

North Hatton

Extent group

authority code

title

reference date

date type

revision

effective date

2024-04-11

code identifying the extent

Central Hatton

Extent group

authority code

title

reference date

date type

creation

effective date

2009-06-18

code identifying the extent

Scottish Continental Shelf

Extent group

authority code

title

reference date

date type

creation

effective date

2009-06-18

code identifying the extent

Atlantic North-West Approaches, Rockall Trough and Faeroe/Shetland Channel

Extent group

authority code

title

reference date

date type

creation

effective date

1954-01-01

code identifying the extent

NORTHEAST ATLANTIC OCEAN (40W)

Temporal reference

Temporal extent

Begin position

1998-05-28

End position

1998-06-17

Dataset reference date

date type

publication

effective date

1998-06-17

Frequency of update

notPlanned

Quality and validity

Lineage

Geophysical equipment types used included: Airgun/Sleeve Gun, Echo Sounder and Sparker. Sample equipment types used included: Corer: Sediment Gravity. The survey was undertaken by Rockall Consortium. NAVIGATION (Positioning System): A VERIPOS DGPS system was used. The system comprised two Sercel NR103 DGPS receivers with corrections from either an HF radio link or via satellite using a link into the vessel's satcom aerial. Data from the NR103 receivers was processed and logged by a Qubit TRAC IV navigation processor/logger. BATHYMETRY: This was a vessel installed Simrad EA500. SEISMIC SYSTEMS: AIRGUN: The source was a cluster array of four 40 cu inch Bolt 600B guns with wave shape kilts, towed at a depth of 2m. For the majority of the time, including all but one line of the survey, two guns were used. The hydrophone was a 30m, two channel Geomechanique, with both channels summed to give a single output. The raw data was recorded and processed using a CODA DA200 system. The processed data were recorded on Exabyte tape. The processes applied included TVG and TVF. SPARKER: The source consisted of an EG&G nine candle sparkarray fitted with multi-tip candles arranged in groups of three, with an energy of 500J available throught each group. For shallower sites 1000J firing through six candles was used, increasing to 1500J through nine candles at deeper sites. The firing rates varied with water depth to obtain the optimum configuration of airgun/sparker. The sparker was given priority for the site surveys, this priority being reversed for the regioanl survey over Hatton Bank. The hydrophone was a 10m, 7 channel Teledyne with a number of channels (normally 6) summed to give optimum output. The raw data was recorded and processed using a CODA DA200 system. The processed data were recorded on Exabyte tape. The processes applied included TVG and TVF. SEDIMENT SAMPLING: A gravity corer with 1 ton weight and 3m core barrel was used to collect sediment samples. For more detailed information see the Report, https://nora.nerc.ac.uk/id/eprint/529921/.

Conformity

Conformity report

specification

title

reference date

date type

publication

effective date

2011

degree

false

explanation

See the referenced specification

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Constraint set

Use constraints

unrestricted use, copyright acknowledgement - Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced British Geological Survey materials "Contains British Geological Survey materials ©UKRI [year]"

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

British Geological Survey (BGS)

full postal address

The Lyell Centre, Research Avenue South

Edinburgh

EH14 4AP

UK

telephone number

+44 (0)131 667 1000

facsimile number

+44 (0)131 668 4140

email address

enquiries@bgs.ac.uk

responsible party role

custodian

Responsible party

organisation name

Rockall Consortium

email address

offshoredata@bgs.ac.uk

responsible party role

originator

Metadata on metadata

Metadata point of contact

organisation name

British Geological Survey (BGS)

full postal address

The Lyell Centre, Research Avenue South

Edinburgh

EH14 4AP

UK

telephone number

+44 (0)131 667 1000

facsimile number

+44 (0)131 668 4140

email address

enquiries@bgs.ac.uk

responsible party role

pointOfContact

Metadata date

2024-04-11

Metadata language