Silver City, looking southeast; note mine spoil at upper right

Road Trip: Silver City, Idaho


The Owhyee Mountains in southwestern Idaho and eastern Oregon aren’t the product of a single geologic event, or even the same series of events. In the case of the parts of the Owhyees around Silver City, Idaho, it’s more of a damaged geologic layer cake: Cretaceous granodiorite, which penetrates Paleozoic sedimentary rock, all overlain with…