Geologic units containing Lake or marine sediment

Lake or marine sediment
A sedimentary deposit laid down conformably on the floor of, or along the shore of, a lake, sea, or ocean, usually consisting of coarse material near the shore and sometimes passing into clay and limestone in deeper water...
This category is also used for Lake sediments and lake or marine deposit (non-glacial).
Beach sand
Mud flat

California - Idaho - North Carolina - New Mexico - Nevada - Utah - Washington - Wyoming