How To Use siltstone In A Sentence
- The tuffs are associated with subordinate sandstones and siltstones and minor lava.
- The mountainous Mid-Coastal Sedimentary ecoregion lies outside of the coastal fog zone and is typically underlain by massive beds of sandstone and siltstone in contrast to the volcanics of Ecoregion 1d. Ecoregions of Oregon (EPA)
- Angular depressions at the base of siltstone laminae represent casts of halite that was dissolved by lower-salinity waters that introduced silt.
- Aaron Slate, phyllite, metasiltstone, metatuff, felsic volcanic rocks, and Virgilina Greenstone underlie Ecoregion 45c in Virginia. Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)
- The fossiliferous horizons occur in greenish to greyish siltstones and brown to black fissile shales associated with mollusc shells.
- The lower (Permian) unit consists of glacio-marine sequences including tillite, sandstone, siltstone, mudstone and limestone horizons. Tasmanian Wilderness, Australia
- The fossils are found in siltstone and mudstone under limestone.
- The canyon system cuts down through marine sandstone, siltstone and dolostone.
- The formation is composed of red siltstones, containing discontinuous calcrete horizons, channelized sandstones and thin beds of current-rippled fine sandstone.
- The red siltstone most likely represents deposition in shallow lacustrine and sabkha environments.