Processed seismic data of Cruise BGR96 1996

The BGR Antarctic cruise 1996 from 29th December 1995 to 6th February 1996 with M.S. AKADEMIK NEMCHINOV was designed to acquire new marine geophysical data for a better understanding of the geological processes, timing, occurrence and location of rifts of the initial break-up of southern Gondwanaland. A total of 3,836 km of multichannel seismic reflection data have been collected in the areas of the Cosmonaut Sea, the Astrid Ridge, the Lazarev Sea and the southern Agulhas Plateau in parallel with magnetic and gravity measurements. In addition magnetic and gravity measurements were carried out on transit. Major new observations of the collected MCS data include: (1) Volcanic rocks play a major part in the construction of the Astrid Ridge and also of the Agulhas Plateau. (2) The early opening of the Lazarev Sea was associated with excessive volcanism resulting in the emplacement of a voluminous volcanic body characterized by an internally divergent pattern of seaward-dipping reflectors. (3) The Astrid Fracture Zone continues in form of a sediment-filled basement depression flanked by distinct basement highs into the Lazarev Sea, and apparently swings to the west parallel to the coast of Queen Maud Land. (4) The thickness of sediments in the Cosmonaut Sea overlying oceanic crust of inferred Early Cretaceous age is in excess of 4s (twt), i.e. about 6,000 m. Three regional seismic markers of inferred Cretaceous, Late Eocene-Oligocene and Middle Miocene ages subdivide the sedimentary column.

INSPIRE

Identification

File identifier
b5e7177d-7cab-44cc-bb72-b4c24fcf3f5e XML
Hierarchy level
Dataset
Online resource
Resource identifier
code

cd0d505f-aeaf-a69c-274b-c26e54fef34e
Metadata language
English
Spatial representation type
Vector
Encoding
Format

Shapefile
Version

n/a
Projection
code
EPSG:4326
 

Classification of data and services

Topic category
  • Geoscientific information
 

Classification of data and services

Coupled resource

Coupled resource
 
 

Classification of data and services

Coupled resource

Coupled resource
 
 

Keywords

GEMET - INSPIRE themes, version 1.0

  • Geologie

  • geology

GEMET - Concepts, version 2.4

  • geophysics

  • Geophysik

  • raw material

  • Rohstoff

Other keywords

Theme

  • Marine geology

  • Meeresgeologie

  • Seismics

  • Seismik

  • Two-dimensional seismic reflection

  • zweidimensionale Reflektionsseismik
Place

  • Agulhas Plateau

  • Lazarev Sea

  • Lasarew See
 
 

Geographic coverage

N
S
E
W
thumbnail


 

Temporal reference

Temporal extent
Temporal extent
Date (Creation)
1996-02-06
 

Quality and validity

Lineage

During the period from 29th December 1995 to 6th February 1996 BGR acquired seismic lines at the Agulhas Plateau and in the Lazarev Sea. The lines BGR96-002A, BGR96-003 and BGR96-005 consist of raw data. The lines BGR96-001, BGR96-002, BGR96-004, BGR96-005A, BGR96-006, BGR96-007, BGR96-008, BGR96-009, BGR96-010, BGR96-011, BGR96-012, BGR96-013, BGR96-013A, BGR96-014, BGR96-015, BGR96-015A, BGR96-016 and BGR96-100 are stacked data.
 

Conformity

Conformity
Conformity
 

Conformity

Conformity
Conformity
Explanation

siehe dazu die angegebene Durchführungsbestimmung
 

Restrictions on access and use

Access constraints
Es gelten keine Zugriffsbeschränkungen
Access 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: BGR96 1996, (c) BGR, Hannover, 2019

 

Responsible organization (s)

Contact for the resource
Organisation name

Federal Institute for Geosciences and Natural Resources
Email

Marine_Seismik@bgr.de

 

Responsible organization (s)

Contact for the resource
Organisation name

Federal Institute for Geosciences and Natural Resources
Email

Marine_Seismik@bgr.de

 

Metadata information

Contact for the metadata
Organisation name

Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)
Email

geodatenmanagement@bgr.de

Date stamp
2023-11-14
Metadata language
English
Character set
UTF8
 
 

SDS

Conformance class 1: invocable

Access Point URL
Endpoint URL
Technical specification
 

Conformance class 2: interoperable

Access constraints

Limitation
 

Use constraints

Limitation
 

Responsible custodian

Contact for the resource
 
 
 

Overviews

overview

Spatial extent

N
S
E
W
thumbnail


Keywords

Marine geology Meeresgeologie Seismics Seismik Two-dimensional seismic reflection zweidimensionale Reflektionsseismik
GEMET - Concepts, version 2.4
Geophysik Rohstoff geophysics raw material
GEMET - INSPIRE themes, version 1.0
Geologie geology

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Associated resources

Not available