Processed seismic data of Cruise ANT-IV/3 1986
On the F.S. POLARSTERN cruise ANT-IV/3 (6th December, 1985 - 13th March, 1986) multichannel seismic measurements were carried out in parallel with magnetic and gravimetric measurements on 33 lines with a total length of 6,263 km. 3,350 km of the multichannel seismic lines have been processed aboard. The geophysical studies were designed to investigate the structure and geological development of the Weddell Sea continental margin from meridians zero to 60°W, and to define suitable and safe drilling locations for Leg 113 of the Ocean Drilling Program. The main results of the geophysical studies are: (1) The discovery of an approximately N50°E trending failed drift basin, following the trend of a negative magnetic anomaly and a positive gravity anomaly. (2) The discovery of two extensive wedge-shaped and symmetric basement units around a failed drift basin between longitudes 40°W and 20°W. The seismic characteristics, i.e. seismic velocities of 4 km/s and an internally divergent pattern of reflectors suggest that both wedges are formed from extrusive/intrusive volcanic rocks. (3) The confirmation of a major plate tectonic boundary trending approximately N80°E to N60°E, i.e. the EXPLORA-ANDENES escarpment. (4) The confirmation of a glaciogenic progradational wedge beneath the shelf of the Weddell Sea Embayment, made up of several thousand metres of sediments. (5) The definition of 13 suitable and safe drilling locations for ODP-Leg 113.
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Citation proposal
. Processed seismic data of Cruise ANT-IV/3 1986. https://gdk.gdi-de.org/geonetwork/srv/api/records/ea39c67d-1539-4ace-8669-e294c71ae54f |
- Identification
- Distribution
- Quality
- Spatial rep.
- Ref. system
- Content
- Portrayal
- Metadata
- Md. constraints
- Md. maintenance
- Schema info
Identification
Data identification
Citation
- Alternate title
- ANT-IV/3 1986
- Date ( Creation )
- 1986-03-13
- Identifier
- 1692894b-6270-2a57-cccb-13a301e91531
- Status
- completed Completed
Point of contact
- GEMET - INSPIRE themes, version 1.0 ( Theme )
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- Geologie
- geology
- GEMET - Concepts, version 2.4 ( Theme )
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- geophysics
- Geophysik
- raw material
- Rohstoff
- Keywords ( Theme )
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- Marine geology
- Meeresgeologie
- Seismics
- Seismik
- Two-dimensional seismic reflection
- zweidimensionale Reflektionsseismik
- Keywords ( Place )
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- Weddell Sea
- Weddell-Meer
Legal constraints
- Access constraints
- Other restrictions
Legal constraints
- Use constraints
- Other restrictions
- Other constraints
- Allgemeine Geschäftsbedingungen, siehe http://www.bgr.bund.de/AGB - General terms and conditions, see http://www.bgr.bund.de/AGB_en. Die bereitgestellten Informationen sind bei Weiterverwendung wie folgt zu zitieren: Datenquelle: ANT-IV/3 1986, (c) BGR, Hannover, 2019
- Spatial representation type
- Vector
- Metadata language
- English
- Character set
- UTF8
- Topic category
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- Geoscientific information
N
S
E
W
Distribution
Distribution
- Distribution format
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- Shapefile (n/a )
Digital transfer options
- Transfer size
- 2
- OnLine resource
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ANT-IV/3 1986 (Shapefile)
ANT-IV/3 1986 im Format ESRI Shape
- OnLine resource
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Profile ANT4-01
Profile ANT4-01
- OnLine resource
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Profile ANT4-02
Profile ANT4-02
- OnLine resource
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Profile ANT4-03
Profile ANT4-03
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Profile ANT4-04
Profile ANT4-04
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Profile ANT4-05
Profile ANT4-05
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Profile ANT4-06
Profile ANT4-06
- OnLine resource
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Profile ANT4-07
Profile ANT4-07
- OnLine resource
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Profile ANT4-08
Profile ANT4-08
- OnLine resource
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Profile ANT4-09
Profile ANT4-09
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Profile ANT4-10
Profile ANT4-10
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Profile ANT4-11
Profile ANT4-11
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Profile ANT4-12
Profile ANT4-12
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Profile ANT4-13
Profile ANT4-13
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Profile ANT4-14
Profile ANT4-14
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Profile ANT4-15
Profile ANT4-15
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Profile ANT4-16
Profile ANT4-16
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Profile ANT4-17
Profile ANT4-17
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Profile ANT4-18
Profile ANT4-18
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Profile ANT4-19
Profile ANT4-19
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Profile ANT4-21
Profile ANT4-21
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Profile ANT4-22
Profile ANT4-22
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Profile ANT4-23
Profile ANT4-23
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Profile ANT4-25
Profile ANT4-25
- OnLine resource
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Profile ANT4-26
Profile ANT4-26
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Profile ANT4-27
Profile ANT4-27
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Profile ANT4-28
Profile ANT4-28
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Profile ANT4-29
Profile ANT4-29
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Profile ANT4-30
Profile ANT4-30
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Profile ANT4-31
Profile ANT4-31
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Profile ANT4-32
Profile ANT4-32
- OnLine resource
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Profile ANT4-33
Profile ANT4-33
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Karte im BGR-Geoviewer
Karte im BGR-Geoviewer
Quality
Data quality
Scope
- Hierarchy level
- Dataset
Conformance result
Citation
- Date ( Publication )
- 2010-12-08
- Explanation
- siehe dazu die angegebene Durchführungsbestimmung
- Statement
- During the period from 6th December 1985 to 13th March 1986 BGR acquired seismic lines in the Weddell Sea. The lines ANT4-11A, ANT4-20 and ANT4-24 consist of raw data. The lines ANT4-10, ANT4-11, ANT4-16, ANT4-23, ANT4-26 and ANT4-30 are stacked data. The lines ANT4-01, ANT4-02, ANT4-03, ANT4-04, ANT4-05, ANT4-06, ANT4-07, ANT4-08, ANT4-09, ANT4-12, ANT4-13, ANT4-14, ANT4-15, ANT4-17, ANT4-18, ANT4-19, ANT4-21, ANT4-22, ANT4-25, ANT4-27, ANT4-28, ANT4-29, ANT4-31, ANT4-32 and ANT4-33 are migrated data.
Metadata
Metadata
- File identifier
- ea39c67d-1539-4ace-8669-e294c71ae54f XML
- Metadata language
- English
- Character set
- UTF8
- Parent identifier
- 06a73c56-06a2-40d8-b806-466222b0760d
- Hierarchy level
- Dataset
- Hierarchy level name
- Geophysik
- Date stamp
- 2023-11-14
- Metadata standard name
- INSPIRE Metadata Implementing Rules: Technical Guidelines based on EN ISO 19115 and EN ISO 19119
- Metadata standard version
- n/a
Point of contact
Overviews
Provided by
Views
ea39c67d-1539-4ace-8669-e294c71ae54f
Access to the portal
Read here the full details and access to the data.
Associated resources
Not available