Geological mapping at a 1:50,000 scale was conducted in South Victoria Land, Antarctica, to synthesize previous mapping efforts. The work, performed by SCIOPS, delineates six major rock groups including the Koettlitz Group, Granite Harbour Intrusives, and Ferrar Group. Field surveys were supplemented by geochemical, petrological, and paleontological analysis.
Use Cases
- Analyze the spatial distribution of the six mapped rock groups (e.g., Koettlitz Group, Ferrar Group) to understand regional geology.
- Study the intrusion relationships between Granite Harbour Intrusives and the Koettlitz Group metasediment.
- Map the extent of Neogene glacial and surficial deposits, particularly in valley floors, for geomorphological studies.
- Correlate Beacon Supergroup sediments (Taylor Group and Victoria Group) across the eastern, southern, western, and northern map areas.
- Identify locations of possible Ferrar Group extrusive rocks near Mt Dearborn and Vishniac Peak for volcanic studies.
Strengths
- Map integrates multiple previous mapping campaigns from 1982 to 1991.
- Identifies six major rock groups with specific age ranges (Precambrian to Neogene).
- Field data was supplemented by laboratory analyses (geochemical, petrological, paleontological).
Limitations
- Specific row count, column details, and sample data are unavailable.
- The dataset's exact temporal coverage and last update date are unknown.
- Geographic scope is limited to a specific region between two mountain ranges in Antarctica.
Provenance
- Source
- SCIOPS, accessed via NASA EarthData.
- Collection Method
- Field geological mapping supplemented by laboratory analysis.
- Time Range
- Field campaigns referenced span from 1982/83 to 1991.
- Freshness
- null
- Geography
- South Victoria Land, Antarctica, specifically the area between the Asgaard and Clare Ranges.