Rock Formations and Geological Correlations on Tabarin Peninsula

New outcrops of the Hope Bay Formation and Larsen Basin rocks have been exposed by recent ice retreat on the Tabarin Peninsula, Northern Antarctic Peninsula. The data describes quartzose metasedimentary rocks, dioritic batholith rocks, and sedimentary rocks correlated with the lower Gustav Group. The record was compiled by the organization SCIOPS.

Use Cases

• Correlate sedimentary rock features from Rebulis Nunatak with the lower Gustav Group of the Larsen Basin.
• Map the extent of the Larsen Basin over the southern Tabarin Peninsula magmatic arc using geological formation data.
• Analyze the distribution of Permian-Triassic Hope Bay Formation rocks exposed at Balegno Nunataks.
• Study the relationship between dioritic rocks assigned to the Antarctic Peninsula batholith and surrounding formations.
• Investigate the impact of recent ice retreat on exposing new outcrops of the Hope Bay Formation and Larsen Basin rocks.

Strengths

• Documents new geological exposures linked to a concrete environmental event (recent ice retreat).
• Provides specific geological correlations (e.g., rocks correlated with the lower Gustav Group, Barremian-Coniacian).
• Identifies specific locations (Tabarin Peninsula, Balegno Nunataks, Rebulis Nunatak, Troilo Nunatak).

Limitations

• No quantitative data on sample size, row count, or measurement metrics is provided.
• The dataset's specific format, structure, and accessible features are unknown.
• Temporal coverage for the underlying observations and data collection date is unspecified.

Provenance

Source

SCIOPS, accessed via NASA EarthData.

Collection Method

Field geology observations and analysis of newly exposed rock outcrops.

Geography

Tabarin Peninsula, Northern Antarctic Peninsula, specific sites include Balegno Nunataks and Rebulis Nunatak.