Permian-Triassic Sediment And Paleomagnetic Data From Antarctic Basins

A collaborative sedimentological, palynological, and paleomagnetic study of Permian and Lower Triassic strata in southern Victoria Land and the Darwin Mountains region of Antarctica. Data and samples are stored at the University of Wisconsin-Milwaukee and Ohio State University, with results appearing in scientific literature. The project aims to constrain the paleoenvironmental and tectonic history of southern Pangea from 320 to 210 million years ago.

Use Cases

• Modeling icehouse-to-greenhouse climate transitions using sedimentologic data on glacial, fluvial, and coal deposits.
• Refining Gondwana paleogeographic reconstructions by analyzing paleomagnetic signatures from petrified wood and coal.
• Correlating regional glacial histories by comparing stratigraphic sequences from southern Victoria Land with other Gondwana areas.
• Calibrating the timing of Permian-Triassic depositional events using palynological analyses for biochronology.

Strengths

• Multidisciplinary data integrating sedimentology, palynology, and paleomagnetism.
• Focus on a critical 110-million-year period from the Permian to Triassic.
• Samples and data curated by major research institutions (University of Wisconsin-Milwaukee, Ohio State University).

Limitations

• Specific sample counts, row counts, and file formats are not provided.
• Data accessibility may be limited as physical samples are stored in university repositories.
• Temporal coverage is ancient (320-210 Ma), limiting direct modern climate comparisons.

Provenance

Source

Collaborative research project led by John Isbell (University of Wisconsin-Milwaukee), Rosemary Askin, and Anne Grunow (Ohio State University).

Collection Method

Field collection and laboratory analysis of sedimentologic, palynologic, and paleomagnetic samples.

Time Range

Approximately 320 to 210 million years ago (Permian to Lower Triassic).

Freshness

null

Geography

Southern Victoria Land and the Darwin Glacier region, Antarctica.