Vanda Dike Swarm in Antarctica's Dry Valleys, 2009

Field and laboratory data from the Vanda dike swarm in Antarctica's Dry Valleys capture the transition from subduction to extensional magmatism. The dataset, produced by AMD_USAPDC, was last updated in June 2009. Its exceptional exposure and bimodal felsic and mafic compositions offer insights into a key phase of Antarctic tectonic history.

Use Cases

• Modeling the transition from subduction to extensional magmatism based on dike compositions and field relations.
• Analyzing bimodal felsic and mafic rock compositions to understand magmatic source processes.
• Studying the shallow roots of a convergent plate margin based on the exceptional exposure in the Dry Valleys.
• Correlating dike crosscutting relationships with the tectonic timeline of the Ross Orogeny.

Strengths

• Focuses on a specific, well-exposed geological feature (the Vanda dike swarm) with potential for significant tectonic insights.
• Data is associated with a field-based research project involving collaboration between undergraduate and research institutions.

Limitations

• Last updated 2009-06-30 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file formats are unknown, which may limit suitability assessment.

Provenance

Source

AMD_USAPDC

Collection Method

Field and laboratory based investigation.

Time Range

Data reflects field work circa 2009 or earlier.

Freshness

Last updated 2009-06-30 23:59:59.999000.

Geography

Dry Valleys of Antarctica.