| Host rock: | Vinini Formation;Unknown Western Or Transitional Facies Carbonate |
| Host type: | Sandstone,Limestone,Chert |
| Structure: | Roberts Mountain Thrust, Fault Marked By Jasperoid |
| Tectonic: | Antler Orogen Overprinted By High Angle Basin And Range Extension. |
| Alteration processes: | Silicification, Fe Oxidation |