Ag-Pb-Zn Mineralization and Volcanic Rock Chemistry in St. Cyr Range

A sequence of Mississippian felsic volcanic rocks up to 600 meters thick occurs in an 80 km long by 25 km wide belt within the Pelly-Cassiar Platform. Chemical analyses indicate the rocks are alkali-rich and potassic, with mineralization styles including stratabound and vein-type deposits of silver, lead, zinc, and barium.

Use Cases

• Analyze chemical composition data to classify alkali-rich and potassic volcanic rock types.
• Model the spatial distribution of stratabound-type versus vein-type mineralization styles.
• Correlate mineralization (argentiferous galena, sphalerite, barite) with proposed exhalative centre locations.
• Map the geological extent of the 80 km by 25 km volcanic belt within the Pelly-Cassiar Platform.

Strengths

• Describes a substantial geological belt 80 kilometers long and up to 25 kilometers wide.
• Provides specific rock thickness data, with volcanic sequences up to 600 meters thick.
• Distinguishes between two main mineralization styles: stratabound-type and vein-type.

Limitations

• No structured tabular data or column definitions are provided, limiting quantitative analysis.
• Sample data and row counts are unavailable, preventing statistical or machine learning applications.
• Data is presented in descriptive HTML format, not in a ready-to-use analytical structure.

Provenance

Source

Government of Yukon

Collection Method

Geological field study and chemical analysis.

Time Range

Mississippian period (geological).

Freshness

Last updated March 2026.

Geography

St. Cyr Range, Pelly Mountains, Pelly-Cassiar Platform, Yukon, Canada.