| 释义 |
anorthositeenUK
an·or·tho·site A0322300 (ăn-ôr′thə-sīt′)n. An igneous rock consisting almost entirely of plagioclase feldspar, especially the labradorite variety.
[French anorthose, a kind of feldspar (Greek an-, not; see a-1 + Greek orthos, straight) + -ite.]
an·or′tho·sit′ic (-sĭt′ĭk) adj.anorthosite (ænˈɔːθəˌsaɪt) n (Geological Science) a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar[C19: from French anorthose (see an-, ortho-) + -ite1]an•or•tho•site (ænˈɔr θəˌsaɪt)
n. a granular plutonic rock composed largely of labradorite or a more calcic feldspar. [1860–65; < French anorthose (an- an-1 + Greek orthós straight) + -ite1] an•or`tho•sit′ic (-ˈsɪt ɪk) adj. anorthositeenUK
anorthosite[ə′nȯr·thə‚sīt] (petrology) A visibly crystalline plutonic rock composed almost entirely of plagioclase feldspar (andesine to anorthite) with minor amounts of pyroxene and olivine. AcronymsSeeANRS |