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
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
Way up structure — A Way up structure is a characteristic relationship observed in a sedimentary or volcanic rock, or sequence of rocks, that makes it possible to determine whether they are the right way up (i.e in the attitude in which they were originally… … Wikipedia
CARBONIFÈRE — Compris entre le Dévonien et le Permien, le Carbonifère (terme proposé par William Daniel Conybeare en 1822 pour l’ensemble des terrains qui, en Angleterre, renferment de la houille) s’étend sur environ 100 millions d’années (Ma) si l’on y inclut … Encyclopédie Universelle
Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian … Wikipedia
Turbidite — geological formations have their origins in turbidity current deposits, which are deposits from a form of underwater avalanche that are responsible for distributing vast amounts of clastic sediment into the deep ocean. The ideal turbidite… … Wikipedia
Narryer Gneiss Terrane — Stratigraphic range: > 3.3 Ga Satellite image of Jack Hills in the Narryer Gneiss Terrane Type Geological complex Sub units … Wikipedia
wacke — /wak euh/, n. a poorly sorted sandstone containing fragments of rock and minerals in a clayey matrix. Cf. graywacke. [1795 1805; < G: a kind of stone] * * * ▪ sandstone also called dirty sandstone sedimentary rock composed of sand sized… … Universalium
Philip Henry Kuenen — (* 22. Juli 1902 in Dundee; † 17. Dezember 1976 in Leiden) war ein niederländischer Geologe. Inhaltsverzeichnis 1 Leben und Wirken 2 Werke (Auswahl) 3 Literatur … Deutsch Wikipedia
Geology of Jersey — The geology of Jersey is characterised by the Late Proterozoic Brioverian volcanics, the Cadomian Orogeny, and only small signs of later deposits from the Cambrian and Quaternary periods. The kind of rocks go from conglomerate to shale, volcanic … Wikipedia
