Dike earth science definition
WebDike: a relatively narrow tabular discordant body, often nearly vertical Laccolith: concordant body with roughly flat base and convex top, usually with a feeder pipe below Lopolith: concordant body with roughly flat top … WebDefine earth dike. earth dike synonyms, earth dike pronunciation, earth dike translation, English dictionary definition of earth dike. also dyke n. 1. a. An embankment of earth …
Dike earth science definition
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WebThe Earth hosts hundreds of radiating, arcuate, or linear mafic dike swarms (Ernst et al., 1996) whose mapping has contributed to improved geodynamic models of the Earth. In southern Africa alone, one digital database ( Mubu, 1995) has enumerated 14 000 dikes, mapped in large part because of their magnetic expression. WebMar 17, 2024 · earth science: [noun] any of the sciences (such as geology, meteorology, or oceanography) that deal with the earth or with one or more of its parts — compare geoscience.
Webdike noun [C] (ROCK LAYER) earth science a layer of newer rock that is created when melted rock flows into spaces in older rock and then hardens dike noun [C] (WALL) a … Webdike 1 or dyke (daɪk) n., v. diked, dik•ing. n. 1. an embankment for controlling or holding back the waters of the sea or a river. 2. ditch. 3. a bank of earth formed of material being excavated. 4. causeway. 5. an obstacle; barrier. 6. a. a long, narrow, cross-cutting mass of igneous rock intruded into a fissure in older rock.
Web12. "Basalt" per definition is a fine grained rock (that is, you can't see the individual crystals with the naked eye, aka aphanitic) with a certain chemical composition. The coarse grained form of this rock is called a "gabbro". A … Webdike, also called dyke or geological dike, in geology, tabular or sheetlike igneous body that is often oriented vertically or steeply inclined to the …
WebA diabase (or dolerite) is something in between, but let's ignore it for the meanwhile for the sake of simplicity. So quoting from your question: I've always understood that basalt is an extrusive rock (formed by eruption), …
WebDiabase (/ ˈ d aɪ. ə ˌ b eɪ s /), also called dolerite (/ ˈ d ɒ l. ə ˌ r aɪ t /) or microgabbro, is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro.Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine-grained to aphanitic chilled margins which may contain tachylite (dark mafic glass).. … btsf national contact pointsWebOct 13, 2024 · "a trench made by digging," especially a trench for draining wet land," Middle English diche, from Old English dic "ditch, dike," a variant of dike (q.v.), which at first meant "an excavation," but later in Middle English was applied to the ridge or bank of earth thrown up in excavating. Middle English diche also could mean "a defensive wall.". As the earth … bts fm0613 2015日本語WebDike definition, an embankment for controlling or holding back the waters of the sea or a river: They built a temporary dike of sandbags to keep the river from flooding the town. … bts fm0613Webdike definition: 1. another spelling of dyke 2. another spelling of dyke 3. a layer of newer rock that is created…. Learn more. bts flying adviceWebA dike is a structure made of earth or stone that's used to hold back water. If you visit the Netherlands, you can see their elaborate system of dikes, without which much of the … bts flying guidanceWebMay 20, 2024 · A dike is a barrier used to regulate or hold back water from a river, lake, or even the ocean. In geology, a dike is a large slab of rock … bts fm0613 2015Webdike - WordReference English dictionary, questions, discussion and forums. All Free. ... Civil Engineering a bank of earth formed of material being excavated. Civil Engineering a causeway. British Terms a low wall or fence, esp. of earth or stone, for dividing or enclosing land. an obstacle; bts fns歌謡祭 2021