(geol also)
1Dipl.-Geol. — Siehe auch Hauptartikel: Akademischer Grad Inhaltsverzeichnis 1 Bachelorgrad 2 Lizentiat 3 Magistergrad 4 Diplomgrad 4.1 Fachhochschule …
2oil shale — Geol. a black or dark brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. [1870 75] * * * Any fine grained sedimentary rock that contains solid organic matter (kerogen) and yields significant… …
3salt dome — Geol. a domelike rock structure that is formed beneath the earth s surface by the upward movement of a mass of salt, may reach thousands of feet in vertical extent, and is more or less circular in plan: often associated with oil and gas pools. Cf …
4strain gauge — Geol. a type of extensometer designed for geophysical use. Also called strainmeter /strayn mee teuhr/, strainometer /stray nom i teuhr/. [1905 10] * * * Device for measuring the changes in distances between points in solid bodies that occur when… …
5ash fall — Geol. 1. a rain of airborne ash resulting from a volcanic eruption. 2. the deposit produced by such an event. Also, ashfall. * * * …
6cap rock — Geol. 1. a mass of anhydrite, gypsum, or limestone immediately above the salt of a salt dome. 2. an impervious stratum overlying an oil or gas bearing structure. Also, caprock. [1865 70, Amer.] * * * …
7cinder cone — Geol. a small, conical volcano built of ash and cinders. [1840 50] * * * or ash cone Deposit around a volcanic vent, formed by rock fragments or cinders that accumulate and gradually build a conical hill with a bowl shaped crater at the top.… …
8clay stone — Geol. argillite. Also, claystone. [1770 80] * * * …
9continental drift — Geol. the lateral movement of continents resulting from the motion of crustal plates. Cf. plate tectonics. [1925 30] * * * Large scale movements of continents over the course of geologic time. The first complete theory of continental drift was… …
10crustal plate — Geol. a large block or tabular section of the lithosphere that reacts to tectonic forces as a unit and moves as such. Also called plate. * * * …
