Geologic units containing terrace

Mineral Resources On-Line Spatial Data

Terrace

A narrow shelf, partly cut and partly built, produced along a lake shore...and later exposed when the water level falls, or ...a wave-cut platform that has been exposed by uplift along a seacoast or by the lowering of sea level, and from 3 m to more than 40 m above mean sea level; an elevated marine-cut bench.

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Alabama

High terrace deposits (Pleistocene): High terrace deposits - Varicolored lenticular beds of poorly sorted sand, ferruginous sand, silt, clay, and gravelly sand. Sand consists primarily of very fine to very coarse poorly sorted quartz grains; gravel composed of quartz, quartzite, and chert pebbles.

California

Quaternary alluvium and marine deposits (Pliocene to Holocene): Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Idaho

Gravel, sand, and silt; glacial outburst flood deposits, outwash, fanglomerate, and alluvium, undivided; Pleistocene (Pleistocene): Pleistocene outwash, fanglomerate, flood and terrace gravels; sudivisions are: (Qpug, Qpmg, and Qplg).
Gravel, sand, and silt; Quaternary basin-filling alluvium; Snake River Plain, Basin and Range provinces (Quaternary): Quaternary detritus; generally basin-filling deposits of central and southern Idaho.

North Carolina

Terrace Deposits and Upland Sediment (Tertiary): Terrace Deposits and Upland Sediment - gravel, clayey sand, and sand, minor iron-oxide cemented sandstone.

Oregon

Terrace, pediment, and lag gravels (Holocene and Pleistocene) (Pleistocene to Holocene): Unconsolidated deposits of gravel, cobbles, and boulders intermixed and locally interlayered with clay, silt, and sand. Mostly on terraces and pediments above present flood plains. Includes older alluvium of Smith and others (1982) in the Klamath Mountains and both high- and low-level terraces along Oregon coast. Includes dissected alluvial fan deposits northeast of Lebanon, and Linn and Leffler Gravels of Allison and Felts (1956)

Texas

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene): Terrace deposits

Virginia

Terrace Deposits (Tertiary): Terrace Deposits - Poorly sorted clay, sand, and rounded pebbles and cobbles, deeply weathered

Washington

Terrace deposits (Pleistocene): Unconsolidated to partly consolidated fluvial and glaciofluvial sand and gravel with minor amounts of silt and clay. Includes marine terrace along west coast of the Olympic Peninsula.