porphyritic rock 中文意思是什麼

porphyritic rock 解釋
斑巖
  • porphyritic : adj. 【地質學;地理學】斑巖的,斑狀的。
  • rock : n 1 巖,巖石,磐石,巖壁;卵石;〈常 pl 〉〈美口〉石子兒;暗礁,巖礁。2 〈the R 〉直布羅陀 (Gibr...
  1. Four major rock types are found within the reserve. from the oldest to the youngest, they are the tuffs with volcanic bombs, granodiorites, porphyritic rhyolites and basaltic dykes, respectively. geomorphologically, the marine reserve has typical exposed rocky shore of south - easterly - directed capes and headlands in hong kong

    鶴咀海岸保護區內可以找到四種主要巖石種類,以巖石形成的年代計算,最古老的是火山爆發形成的凝灰巖,然後依次是花崗閃長巖,流紋斑巖及玄武巖。
分享友人