Placer Gold Signatures from Yukon Porphyry Deposits

Placer gold alloy compositions and mineral inclusions from the Dawson Range in Yukon link surface deposits to specific porphyry and epithermal mineralization sources. The data, published by the Government of Yukon, establishes a generic Bi-Pb-Te-S signature for gold in Cu-Mo (-Au) porphyry systems. This signature can be applied to mineral exploration in areas where the relationship between placer and lode gold is unclear.

Use Cases

• Modeling placer-lode relationships based on gold alloy compositions and mineral inclusion assemblages.
• Identifying source porphyry deposits based on the Bi-Pb-Te-S mineral association signature.
• Supporting mineral exploration targeting in areas with unclear placer-lode relationships.
• Differentiating between gold derived from porphyry and peripheral epithermal mineralization.

Strengths

• Data is linked to specific, named geological areas (Casino, Revenue/Nucleus, Sonora Gulch).
• Establishes a clear, generic mineralogical signature (Bi-Pb-Te-S) for exploration.
• Published by a government geological organization (Government of Yukon).

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 study areas in the Dawson Range.

Provenance

Source

Government of Yukon | Gouvernement du Yukon

Collection Method

Likely contains results from geological study of gold alloy compositions and mineral inclusion assemblages.

Time Range

Study focuses on early Late Cretaceous (ca. 76-74 Ma) mineralization.

Freshness

Last updated 2026-04-17 16:08:12.940149; freshness should be verified.

Geography

Central and eastern Dawson Range in west-central Yukon, Canada (Casino, Revenue/Nucleus, Sonora Gulch areas).