Wave-formed ripples — [ water ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah] In sedimentology, wave formed ripples or wave formed ripple marks are a feature of sediments (sandstones, limestones, siltstones) and dunes. These ripple… … Wikipedia
rip|ple — rip|ple1 «RIHP uhl», noun, verb, pled, pling. –n. 1. a very little wave: »Throw a stone into still water and watch the ripples spread in rings. SYNONYM(S): See syn. under wave. (Cf. ↑wave) 2. anything that seems like a tin … Useful english dictionary
South Ossetia — Republic of South Ossetia Республикæ Хуссар Ирыстон / Respublikæ Xussar Iryston (Ossetic) სამხრეთი ოსეთი / Samkhret Oseti (Georgian) Республика Южная Осетия / Respublika Yuzhnaya Osetiya (Russian) … Wikipedia
Ripple marks — Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah … Wikipedia
Loch Ness Monster — For other uses, see Loch Ness Monster (disambiguation). Nessie redirects here. For other uses, see Nessie (disambiguation). the Loch Ness Monster (Nessie, Niseag[1] … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
sand dune — Hill, mound, or ridge of windblown sand or other loose material such as clay particles. Dunes are commonly associated with desert regions and seacoasts, and there are large areas of dunes in nonglacial parts of Antarctica. * * * Introduction any … Universalium
Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… … Wikipedia
Cross-bedding — Crossbedding of sandstone near Mt. Carmel road, Zion Canyon, indicating wind action and sand dune formation prior to formation of rock (NPS photo by George A. Grant, 1929) … Wikipedia
fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… … Universalium