英语词汇“feldspathic graywacke”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	feldspathic graywacke
释义	feldspathic graywacke feldspathic graywacke [fel′spath·ik ′grā‚wak·ə] (petrology) Sandstone containing less than 75% quartz and chert and 15-75% detrital clay matrix, and having feldspar grains in greater abundance than rock fragments. Also known as arkosic wacke; high-rank graywacke.
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