lacustrine clay
1berg till — ˈbərgˌtil noun Etymology: berg (I) : lacustrine clay with boulders and other glacial debris dropped in it by melting icebergs …
2sedimentary 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… …
3Oil 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 …
4playa — /pluy euh/, n. Western U.S. the sandy, salty, or mud caked flat floor of a desert basin having interior drainage, usually occupied by a shallow lake during or after prolonged, heavy rains. Cf. dry lake. [1850 55, Amer.; < Sp: shore < LL plagia;… …
5Marl — For other uses see Marl (disambiguation). For the red algal growth form, see Maerl. Exposure of marl from the Matmor Formation (Jurassic) of southern Israel …
6Kotelny/Faddeyevsky Island — Kotelny Island ( ru. Остров Котельный) and Faddeyevsky Island (О. Фаддеевский) are part of the Anzhu Islands subgroup of the New Siberian Islands located between the Laptev Sea and the East Siberian Sea in the Russian Arctic. They are usually… …
7Jurassic Period — Interval of geologic time, 206–144 million years ago, that is one of the three major divisions of the Mesozoic Era, preceded by the Triassic Period and followed by the Cretaceous. During the Jurassic, Pangea began to break up into the present day …
8Intermontane Plateaus — Physiographic regions of the U.S. Interior See:legend For purposes of description, the physical geography of the United States is split into several major physiographic divisions, one being the Intermontane Plateaus. Please refer to the Geography …
9Lop Desert — Satellite picture of the Lop Desert with the basin of the former Lop Nur Sea. The Lop Desert or Lop Nur or Lop Nor, is a desert extending from Korla eastwards along the foot of the Kuruktagh to the formerly terminal Tarim Basin in the Xinjiang… …
10Sedimentary 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… …
