|
|
|||
|
Skarn Deposits in the Ketchikan Mining District |
||
Clicking the name on the deposit map accesses a description, photographs, and site maps, when available.
Legend |
||
|
|
||
Intrusives |
Stratified |
||
 |
Granodiorite (Cretaceous) |
 |
Hazelton Group sedimentary and volcanic rocks (Jurassic to Mississippian) |
 |
Diorite (Cretaceous) |
 |
Sedimentary rocks (Silurian) |
 |
Granodiorite (Triassic) |
 |
Descon Formation sedimentary and volcanic rocks (Silurian and Ordovician) |
 |
Quartz diorite (Silurian and Ordovician) |
 |
Wales Group metasedimentary and metavolcanic rocks (pre-Odovician) |
| U.S. Department of the Interior |
|||
Skarn
deposits