Menzie Creek Formation volcanic rocks in central Yukon provide data on seamount systems from ca. 484 million years ago. Whole-rock geochemical and Nd-Hf isotope compositions constrain melting depths of ~75–100 km. The dataset likely contains geochemical, isotopic, and lithofacies data from bedrock mapping and volcanic facies analysis.
Use Cases
- Reconstructing depositional environments based on volcanic facies analysis
- Constraining mantle source regions based on whole-rock geochemical data
- Determining eruption timing based on zircon U-Pb age studies
- Analyzing rift-related fault activity based on seamount linear arrays
Strengths
- High-precision CA-TIMS dates of ca. 484 Ma provide precise eruption timing
- Geochemical compositions constrain partial melting at ~75–100 km depth
- Lithofacies analysis allows comparison with modern seamount systems
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Data may reflect geographic bias inherent to the specific Yukon study area
Provenance
- Source
- Government of Yukon
- Collection Method
- New bedrock mapping, volcanic facies analysis, whole-rock geochemistry, and zircon U-Pb age studies
- Time Range
- Early Ordovician (Tremadocian, ca. 484 Ma)
- Freshness
- Last updated 2026-04-17 16:02:06.954767; freshness should be verified
- Geography
- Central Yukon, Canadian Cordillera