常見例句雙語例句The ore bodies are confined to Yanshanian metamorphosed rhyolite porphyry and felsite.礦體賦存在燕山期變質(zhì)流紋斑巖、霏細(xì)巖中。The Cretaceous rhyolite-porphyry is the main parent rock Of the deposit, extending inNE-orientation.白堊紀(jì)流紋斑巖為其主要的成礦母巖，可能為NE向展布。Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite - porphyry and rhyolitic agmatite-lava.南梁巖體主要由斑狀花崗巖、流紋斑巖、花斑巖及流紋質(zhì)角礫熔巖組成。 返回 rhyolite porphyry