sedimentary peat
21arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …
22Geology 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 …
23biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
24North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
25petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… …
26Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of …
27Dartmoor — For the pony, see Dartmoor Pony; for the prison, see Dartmoor (HM Prison); for the Victorian hamlet in Australia, see Dartmoor, Victoria Coordinates: 50°34′N 4°0′W / 50.567° …
28Geology of Somerset — Somerset is a rural county in the southwest of England, covering convert|4171|km2|sqmi|0. It is bounded on the north west by the Bristol Channel, on the north by Bristol and Gloucestershire, on the north east by Wiltshire, on the south east by… …
29Lewis — Infobox UK place official name= Lewis gaelic name= Leòdhas map type= nomap static static image caption= Lewis shown within the Outer Hebrides | population= 18,489 latitude= 58.220163 longitude= 6.38301 country= Scotland os grid reference=… …
30Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …
