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diabase    音标拼音: [d'ɑɪəb,es]
n. 辉绿岩

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  • Diabase - Wikipedia
    Diabase is usually found in smaller, relatively shallow intrusive bodies such as dikes and sills Diabase dikes occur in regions of crustal extension and often occur in dike swarms of hundreds of individual dikes or sills radiating from a single volcanic center
  • Diabase: A dark-colored, fine-grained intrusive igneous rock
    Diabase is an intrusive igneous rock of basaltic composition It has been used as a construction stone for thousands of years Its most famous use is in the standing stones of Stonehenge
  • Diabase or Dolerite - Geology Science
    Diabase, also known as dolerite, is a type of igneous rock that holds significance in the field of geology due to its unique characteristics and formation process It is an intrusive rock, which means it forms from molten magma that cools and solidifies beneath the Earth’s surface
  • Diabase Rock: Formation, Texture Importance in Geology
    What is diabase? Diabase (dolerite) is a dark-colored hypabyssal igneous rock that is compositionally equivalent to gabbro and basalt, but texturally intermediate between them It typically forms in shallow intrusive bodies such as dikes and sills of basaltic composition
  • Diabase | Igneous, Intrusive, Basaltic | Britannica
    Diabase, fine- to medium-grained, dark gray to black intrusive igneous rock It is extremely hard and tough and is commonly quarried for crushed stone, under the name of trap
  • Diabase FAQ - Golden Gate National Recreation Area (U. S. National Park . . .
    Diabase is an intrusive igneous rock with the same mineral composition as basalt It cools under basaltic volcanoes, like those at mid-ocean ridges Diabase cools moderately quickly when magma moves up into fractures and weak zones below a volcano
  • Diabase or Dolerite Properties and Composition | Earth Know
    Diabase is a massive, dense, hard, dark-colored rock with a specific gravity of 2 9-3 3g cm 3 and a Mohs hardness scale of 6-7 This rock is usually dark gray to black but can have a bluish or greenish tinge However, it may appear tan, brown, or reddish brown on a weathered surface
  • Diabase - Rock Identifier
    Diabase (Diabase) Diabase ( ˈdaɪ əbeɪs ) or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro
  • DIABASEDIKESOFTHEEASTERN PIEDMONTOFNORTHCAROLINA
    Hermes, O D , 1963, A quantitative petrographic study of diabase in the Deep River Triassic basin, North Carolina (M S thesis): Chapel Hill, Univ of North Carolina at Chapel Hill, 37 p
  • Diabase or dolerite – Geology is the Way
    Diabase (or dolerite) is a medium-grained igneous rock with basaltic composition The term is also synonym of microgabbro The name comes from the Greek diabasis, meaning 'crossin





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