Silver-Bearing Veins and Deposits of the Rancheria District

Numerous silver-rich veins and stratabound lenses are documented on both sides of the Yukon-British Columbia border. The report describes deposit characteristics and argues for a distinct genetic type related to Late Cretaceous and Early Tertiary fault systems. Row and column counts are unknown.

Use Cases

• Analyze the spatial relationship between deposit locations and geological features like the Cassiar Batholith or Paleozoic carbonate rocks.
• Model genetic classifications of deposits based on described characteristics such as association with steeply dipping faults, mafic dykes, or felsic dykes.
• Study the temporal framework of mineralization by correlating deposits with Late Cretaceous and Early Tertiary dextral transcurrent fault activity.
• Compare the epigenetic nature of stratabound lenses far from large intrusions against other deposit models in the district.

Strengths

• Report provides detailed geological descriptions of numerous silver-bearing veins and replacement deposits.
• Analysis includes specific geological contexts: deposits within the Cassiar Batholith, near it in Paleozoic rocks, and far from exposed Cretaceous batholiths.
• Proposes a unified genetic model linking deposits to regionally extensive, northwest-trending faults active in the Late Cretaceous and Early Tertiary.

Limitations

• Dataset scope is limited to a descriptive geological report; no structured tabular data with rows and columns is provided.
• Information is contained within an HTML document, requiring manual extraction for quantitative analysis.
• Theoretical genetic model is presented but may require validation with additional geochemical or geochronological data.

Provenance

Source

Government of Yukon

Collection Method

Geological field study and synthesis report.

Time Range

Focus on Late Cretaceous and Early Tertiary geological activity.

Freshness

null

Geography

Rancheria District, spanning the Yukon-British Columbia border.