shell breccia

Mira otros diccionarios:

• Breccia marble — Marble Mar ble (m[aum]r b l), n. [OE. marbel, marbre, F. marbre, L. marmor, fr. Gr. ma rmaros, fr. marmai rein to sparkle, flash. Cf. {Marmoreal}.] 1. A massive, compact limestone; a variety of calcite, capable of being polished and used for… …   The Collaborative International Dictionary of English

• Shell marble — Marble Mar ble (m[aum]r b l), n. [OE. marbel, marbre, F. marbre, L. marmor, fr. Gr. ma rmaros, fr. marmai rein to sparkle, flash. Cf. {Marmoreal}.] 1. A massive, compact limestone; a variety of calcite, capable of being polished and used for… …   The Collaborative International Dictionary of English

• 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

• impact crater — Astron., Geol. crater (def. 2). [1890 95] * * * ▪ landform Introduction       any feature on the continents that has been created by the impact of cosmic bodies (meteorites, asteroids (asteroid), or comets (comet)) on the Earth s surface. In fact …   Universalium

• Fred Meissner — Fred F. Meissner, PE (10 November 1931 – 18 September 2007) was an American Geologist and Engineer who contributed to the fields of Geology, Geophysics, Engineering, Petroleum Engineering, Geochemistry, Mineralogy, Physics, Mining, Economic… …   Wikipedia

• igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …   Universalium

• Westminster Cathedral — • A national expression of religious faith given by Roman Catholics to England Catholic Encyclopedia. Kevin Knight. 2006. Westminster Cathedral     Westminster Cathedral      …   Catholic encyclopedia

• Oncolite — Oncolites from the upper Burgsvik beds (Silurian), with shell fragments as nuclei. Large flower is 2 cm in diameter …   Wikipedia

• Glossary of geology terms — Here is a glossary of Geological terms.A*Abyssal plain Flat or very gently sloping areas of the deep ocean basin floor. *Absolute dating the process of determining a specific date (in years or some other unit of time) for an archaeological,… …   Wikipedia

• 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

• volcanic dome — ▪ geology also called  Lava Dome,   any steep sided mound that is formed when lava reaching the Earth s surface is so viscous that it cannot flow away readily and accumulates around the vent. Sometimes domes are produced by repeated outpourings… …   Universalium