| State | Idaho |
|---|---|
| Name | Alluvial-fan deposits. |
| Geologic age | Quaternary |
| Lithologic constituents |
Major
Unconsolidated > Coarse-detrital > Gravel (Alluvial)
Minor
Unconsolidated > Fine-detrital > Silt (Alluvial)
Unconsolidated > Coarse-detrital > Sand (Alluvial)
|
| References | Lewis, Reed S., Link, Paul K., Stanford, Loudon R., and Long, Sean P., Geologic Map of Idaho, 2012, Idaho Geological Survey, Geologic Map 9 (M-9); Scale 1:500,000. |
| NGMDB product | |
| Counties | Ada - Adams - Bannock - Bear Lake - Bingham - Blaine - Boise - Bonneville - Butte - Camas - Canyon - Caribou - Cassia - Clark - Custer - Elmore - Franklin - Fremont - Gem - Idaho - Jefferson - Lemhi - Nez Perce - Oneida - Payette - Power - Teton - Twin Falls - Valley - Washington |