| 单词 | quartzose arkose |
| 释义 | quartzose arkose [`kwȯrt´sōs `är´kōs] PETROLOGY A sandstone containing 50-85% quartz, chert, and metamorphic quartzite, 15-25% feldspars and feldspathic crystalline rock fragments, and 0-25% micas and micaceous metamorphic rock fragments. |
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