Placer mining on Reed Creek in the 1980s produced coarse, angular gold nuggets with adhering gangue material resembling quartz-carbonate alteration. The gangue is predominantly a white mixture of quartz, calcite and clay, with some nuggets associated with distinctive black calcareous and graphitic material. Shear zones with oblique slip movement cut low-grade metavolcanic rocks, suggesting potential for a significant shear-zone hosted gold deposit.
Use Cases
- Identify potential shear-zone hosted gold deposits based on descriptions of shear zones cutting metavolcanic rocks.
- Analyze gangue material composition for mineral exploration based on descriptions of quartz, calcite, clay, and graphitic material.
- Correlate placer mining evidence with bedrock alteration based on descriptions of nuggets resembling canyon wall outcrops.
Strengths
- Description provides specific geological details including mineral composition (quartz, calcite, clay, graphite) and rock types (metavolcanic).
- Includes temporal context (1980s) and spatial context (Reed Creek property, southwestern Yukon).
- Links surface placer evidence to subsurface structural features (shear zones) for deposit modeling.
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/temporal bias inherent to open_canada.
Provenance
- Source
- Government of Yukon | Gouvernement du Yukon
- Time Range
- 1980s
- Freshness
- Last updated 2026-04-17 15:57:38.584180; freshness should be verified.
- Geography
- Reed Creek property, southwestern Yukon