| 释义 |
arkose
ar·kose A5446500 (är′kōs)n. A usually pinkish or red sandstone consisting primarily of quartz and feldspar and forming from the cementation of particles generated by the rapid erosion of granite.
[French, perhaps from alteration of Greek arkhaios, ancient.]arkose (ˈɑːkəʊs) n (Geological Science) a sandstone consisting of grains of feldspar and quartz cemented by a mixture of quartz and clay minerals[C19: from French]arkose
arkose[′är‚kōs] (petrology) A sedimentary rock composed of sand-size fragments that contain a high proportion of feldspar in addition to quartz and other detrital minerals. arkoseSandstone containing 25% or more feldspar grains in abundance; used as building stone.AcronymsSeeARKS |