| Basis for focus area |
Limestone of probable Paleozoic or Mesozoic age from the California state geologic map that hosts the Meeke mine and occurrences. Shown as PZm marble on 1:24,000-scale maps of the area. Skarn mineralization in marble pendants and stoped blocks within the Cretaceous Tejon Lookout Granite. |
| Identified resources |
Identified resources of tin |
| Production |
None. |
| Status |
Unknown. |
| Estimated resources |
Placer reserves total 800 yd3 of 0.5 to 1% Sn; 2,460 yd3 of 0.1 to 0.5% Sn; and 10,000 yd3 containing of 0.05% Sn (Wiese and Page, 1945). |
| Geologic maps |
Olson and Swanson (2017), scale 1:24,000; Olson and Swanson (2019), scale 1:24,000. |
| Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
| Favorable rocks and structures |
Several areas of soil were identified as potential areas for placer tin (Wiese and Page, 1945). |
| Deposits |
Possible placers near Meeke mine area. |
| Evidence from mineral occurrences |
Wiese and Page (1945). |
| Geochemical evidence |
District was discovered in 1940 when cassiterite was identified in gravels at the head of Alamos Creek. |
| Geophysical evidence |
Unknown. |
| Evidence from other sources |
Unknown. |
| Cover thickness and description |
Exposed. |
| Authors |
Jane M. Hammarstrom. |
| New data needs |
None requested at this time. |
| Geologic mapping and modeling needs |
None requested at this time. |
| Geophysical survey and modeling needs |
None requested at this time. |
| Digital elevation data needs |
Lidar complete. |
