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scoria    
n. 铁渣子,矿渣,烧石

铁渣子,矿渣,烧石

scoria
n 1: the scum formed by oxidation at the surface of molten
metals [synonym: {slag}, {scoria}, {dross}]

Scoria \Sco"ri*a\, n.; pl. {Scoriae}. [L., fr. Gr. ?, fr. ?
dung, ordure.]
1. The recrement of metals in fusion, or the slag rejected
after the reduction of metallic ores; dross.
[1913 Webster]

2. Cellular slaggy lava; volcanic cinders.
[1913 Webster]


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  • Scoria - Wikipedia
    Scoria's holes or vesicles form when gases dissolved in the original magma come out of solution as it erupts, creating bubbles in the molten rock, some of which are frozen in place as the rock cools and solidifies Most scoria is composed of glassy fragments and may contain phenocrysts
  • Scoria: Igneous Rock - Pictures, Definition More - Geology. com
    What is Scoria? Scoria is a dark-colored igneous rock with abundant round bubble-like cavities known as vesicles It ranges in color from black or dark gray to deep reddish brown Scoria usually has a composition similar to basalt, but it can also have a composition similar to andesite
  • Scoria: Properties, Uses, Types of Scoria - Geology In
    Scoria is a highly vesicular pyroclastic rock, meaning it's formed from volcanic fragments ejected during an eruption It's highly vesicular, meaning it has numerous holes or cavities called vesicles, which give it a sponge-like texture Scoria is typically dark-colored, ranging from black or brown to reddish-brown
  • Scoria | Properties, Composition, Formation, Uses - Geology Science
    Scoria is a type of volcanic rock that forms from the solidification of molten lava It is commonly found around and on the surface of active and dormant volcanoes Scoria has distinctive characteristics that make it unique and recognizable among other types of volcanic rocks
  • Scoria | Volcanic, Igneous, Basaltic | Britannica
    Foamlike scoria, in which the bubbles are very thin shells of solidified basaltic magma, occurs as a product of explosive eruptions (as on Hawaii) and as frothy crusts on some pahoehoe
  • Scoria: Identification, Pictures, Info for Rockhounds
    Scoria is an extrusive igneous rock composed of highly vesicular volcanic glass, formed from violent eruption, depressurization, and rapid cooling of lava It is almost always dark in color with a mafic or intermediate composition
  • Scoria and Pumice - University of Pittsburgh
    Scoria and pumice take vesiculation to the extreme Scoria is an extremely vesicular basaltic lava with very small (< 1mm) vesicles You can find scoria all over North America: The red variety of scoria (it also comes in black) is commonly used as landscaping pebbles at Taco Bell Landscapers know this rock as lava rock
  • What Type of Rock Is Scoria and How Does It Form?
    Scoria is a type of volcanic rock that forms during explosive eruptions or from lava flows It is recognized by its distinct bubbly texture and dark coloration Scoria is an extrusive igneous rock, meaning it originates from molten rock, or lava, that erupts and cools on the Earth’s surface
  • Scoria Cones on Earth and Mars - Science@NASA
    On Earth, scoria cones form when gas-rich magmas soar high into the air and solidify into small particles of material called scoria that accumulate in steep-sided structures
  • Scoria Properties, Composition, Formation and Uses
    Scoria is a textural term for any highly vesicular, dark-colored extrusive igneous rock whose composition is mafic to intermediate This term is therefore a textural term, not a rock of a certain composition, like granite, gabbro, or basalt The name scoria is of Greek origin





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