Basis for focus area |
Circular buffer around points in either MRDS or from Mosier and others (2009). |
Identified resources |
Historical production of lead and zinc. Identified resources for silver and gold. |
Production |
Unknown. |
Status |
Past mining. Exploration for silver in the 2000s. |
Estimated resources |
Identified resources (1992): 24,407,600 metric tons at 43.890 g/t Ag and 0.34 g/t Au. |
Geologic maps |
Gates (1977), scale 1:62,500. |
Geophysical data |
Inadequate Rank 5 aeromagnetic and aeroradiometric coverage. |
Favorable rocks and structures |
Silurian Leighton Formation, mafic to felsic volcanic rock member. |
Deposits |
Barrett prospect (Big Hill) (MRDS dep_id: 10084606), Pembroke mine (MRDS dep_id: 10306872). |
Evidence from mineral occurrences |
MRDS; Mosier and others (2009); Stephens and others (1984). |
Geochemical evidence |
Favorable mineralogy. |
Geophysical evidence |
Unknown. |
Evidence from other sources |
Current (2021) exploration by Wolfden Resources. |
Cover thickness and description |
Thin till and glaciomarine deposits cover about 90% of the area. |
Authors |
Gregory J. Walsh. |
New data needs |
Geophysical surveys and detailed geologic mapping. |
Geologic mapping and modeling needs |
Detailed geologic mapping and geochemistry needed. |
Geophysical survey and modeling needs |
High resolution aeromagnetic and aeroradiometric coverage. |
Digital elevation data needs |
Lidar complete. |