- Silurian rock
- Строительство: силурийская порода
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Silurian — Geological period from=444 middle=429 to=416 o2=14 co2=4500 temp=17The Silurian is a geologic period and system that extends from the end of the Ordovician period, about 443.7 ± 1.5 Ma (million years ago), to the beginning of the Devonian period … 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
Ordovician–Silurian extinction event — … Wikipedia
metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… … Universalium
Hanging Rock National Natural Landmark — is a one acre site in Wabash County, Indiana that was designated a National Natural Landmark in May, 1986. The site, located on the southern bank of the Wabash River near the town of Lagro, contains an impressive natural exposure of fossilized… … Wikipedia
Red Mountain (Birmingham, Alabama) — Red Mountain is a long ridge running southwest northeast and dividing Jones Valley from Shades Valley south of Birmingham, Alabama, United States. It is part of the Ridge and Valley province of the Appalachian mountains. The Red Mountain… … Wikipedia
Galtee Mountains — The Galtee Mountains or Galty Mountains ( ga. Na Gaibhlte or Sléibhte na gCoillte) are a mountain range in Munster, located in Ireland s Golden Vale across parts of counties Limerick, Tipperary and Cork. The name Galtee is thought to be a… … Wikipedia
North Fork Mountain — Coordinates: 38°40′03″N 79°26′16″W / 38.6675°N 79.43778°W / 38.6675; 79.43778 … Wikipedia
Boulder clay — Boulder clay, in geology, is a deposit of clay, often full of boulders, which is formed in and beneath glaciers and ice sheets wherever they are found, but is in a special sense the typical deposit of the Glacial Period in northern Europe and… … Wikipedia
Aullwood Audubon Center and Farm — is a natural area and educational farm in Montgomery County in southwestern Ohio, United States, about 10 miles (16 km) northwest of downtown Dayton.HistoryThe ground on which Aullwood lies was once covered by a warm shallow ocean, but remain… … Wikipedia