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gabbro    音标拼音: [g'æbro]
辉长岩

辉长岩

gabbro
n 1: one of a family of granular intrusive rocks


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  • Gabbro - Wikipedia
    Slow-cooling, coarse-grained gabbro has the same chemical composition and mineralogy as rapid-cooling, fine-grained basalt Much of the Earth's oceanic crust is made of gabbro, formed at mid-ocean ridges Gabbro is also found as plutons associated with continental volcanism
  • Gabbro: Igneous Rock - Pictures, Definition More
    What is Gabbro? Gabbro is a coarse-grained, dark-colored, intrusive igneous rock It is usually black or dark green in color and composed mainly of the minerals plagioclase and augite It is the most abundant rock in the deep oceanic crust Gabbro has a variety of uses in the construction industry
  • Gabbro | Properties, Formation, Composition, Uses - Geology Science
    Gabbro is a type of intrusive igneous rock that is coarse-grained and dark-colored, typically composed of calcium-rich plagioclase feldspar, pyroxene, and sometimes olivine It is similar in composition to basalt, which is its extrusive equivalent
  • Gabbro: Composition, Types, Properties, Uses – Geology In
    Gabbro is the intrusive equivalent of basalt, which is its extrusive counterpart formed from the same type of magma but cooled rapidly at the surface Much of the Earth's oceanic crust is made of gabbro, formed at mid-ocean ridges
  • Gabbro | Igneous Rock, Mafic Minerals Plutonic Intrusions - Britannica
    Gabbro, any of several medium- or coarse-grained rocks that consist primarily of plagioclase feldspar and pyroxene Essentially, gabbro is the intrusive (plutonic) equivalent of basalt, but whereas basalt is often remarkably homogeneous in mineralogy and composition, gabbros are exceedingly
  • Gabbro Rock: Formation, Texture Uses - Sandatlas
    What Is Gabbro? Gabbro is a coarse-grained and typically dark-colored igneous rock It is one of the most common intrusive igneous rocks and plays a key role in the composition of the lower continental and oceanic crust
  • Gabbro: A Coarse-grained, Dark-Colored Plutonic Rock
    Gabbro is a dense, coarse-grained, dark-colored, mostly plutonic rock Its essential minerals are calcic plagioclase and pyroxene, but it may have minor amounts of amphibole, olivine, and other minerals
  • Gabbro: The Intriguing Coarse-Grained Igneous Rock . . . - Rock Seeker
    Gabbro is a dense, coarse-grained igneous rock that forms deep beneath the Earth’s surface as slow-cooling magma solidifies It shares the same composition as basalt but cools slowly enough for its minerals to grow large and become visible to the naked eye
  • 32 Facts About Gabbro
    What is Gabbro? Gabbro is a coarse-grained, dark-colored igneous rock It forms deep beneath the Earth's surface when magma cools slowly This rock is rich in minerals like pyroxene, plagioclase, and sometimes olivine Gabbro is often used in construction due to its durability and strength
  • Gabbro - Geology is the Way
    Gabbro is a plutonic igneous rock and the intrusive counterpart of basalt The name ‘gabbro’ derives from the Italian town of Gabbro (Rosignano Marittimo, Tuscany) and was first coined by the Italian geologist Tozzetti in 1768 Tozzetti used the term to refer to a suite of ophiolitic rocks





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