Permian-Triassic Sedimentary Rock Mapping in the Transantarctic Mountains

Five days of field work were conducted for geological mapping and sampling of the Feather Conglomerate and Lashly Formation strata. The dataset, created by SCIOPS, documents detailed petrological studies of sandstone samples to analyze mineralogical changes and textural relationships within these Triassic sequences. The data was last updated in January 1980.

Use Cases

• Analyze sandstone texture variations in relation to sedimentary structures documented in the Lashly Formation.
• Map the spatial distribution and stratigraphic relationship between the Feather Conglomerate and overlying Lashly Formation units.
• Study mineralogical composition changes throughout the Triassic sequence using petrological data from collected samples.
• Correlate field observations from Horseshoe Mountain with reconnaissance data from Shapeless Mountain to understand regional geology.

Strengths

• Field mapping conducted over five days, providing a focused geological survey.
• Includes detailed petrological studies on collected sandstone samples.
• Covers two distinct geological formations (Feather Conglomerate and Lashly Formation) and two mountain locations.

Limitations

• Sample size from the reconnaissance at Shapeless Mountain is described as 'a small amount'.
• Data is temporally stale, with the last update recorded in 1980.
• Specific quantitative metrics like row count, sample count, and file formats are unknown.

Provenance

Source

SCIOPS via NASA EarthData.

Collection Method

Field geological mapping, sample collection, and subsequent petrological laboratory analysis.

Time Range

Late Permian to Late Triassic (geological age of strata). Fieldwork date unspecified.

Geography

Horseshoe Mountain and Shapeless Mountain, likely in the Transantarctic Mountains, Antarctica.