Mineral Resources On-Line Spatial Data
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Geologic units containing residuum
An accumulation or rock debris formed by weathering and remaining essentially in place after all but the least soluble constituents have been removed...
- Claiborne/Jackson Group; Residuum (Eocene-Oligocene)
- Residuum - (Claiborne/Jackson Group), White to moderate-reddish-orange locally mottled sandy clay and residual clay with scattered layers of gravelly medium to coarse sand, fossiliferous chert and limestone boulders and limonitic sand masses. Derived from solution and collapse of limestone in the Jackson Group and Oligocene Series and the slumping of Pliocene and Miocene sediments.
- Gravel, sand, and clay; Quaternary-Tertiary colluvium and fanglomerate; western Idaho (Pleistocene and Pliocene)
- Pleistocene and Pliocene fanglomerate, colluvium, and poorly sorted gravel deposits.