SHRIMP U-Pb analyses of zircon from 21 rock samples collected in Antarctica. Data were collected on SHRIMP I and SHRIMP II instruments at the Australian National University in 2000. Samples include detrital zircon from sandstone and zircon from igneous and metamorphic rocks.
Use Cases
- Determine the depositional age of sandstone units based on detrital zircon age distributions.
- Analyze the crystallization history of igneous rocks based on zircon U-Pb ages.
- Investigate metamorphic events in Antarctic basement rocks based on zircon data.
- Compare geological timelines across different Antarctic regions (Beardmore Group, Byrd Group, Nimrod Group).
Strengths
- Data from 21 distinct rock samples provides multiple points of comparison.
- Analyses performed on specialized SHRIMP instruments at a recognized research institution.
- Samples cover multiple geological groups across central Transantarctic Mountains and southern Victoria Land.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- Research School of Earth Sciences, Australian National University
- Collection Method
- SHRIMP U-Pb analyses performed on SHRIMP I and SHRIMP II instruments.
- Time Range
- Data collection year is 2000.
- Geography
- Central Transantarctic Mountains, Pensacola Mountains, southern Victoria Land, Antarctica.