a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
造句
用作名詞(n.)
Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes. 含角閃石的變種填補了帶狀和脈狀角閃巖的中間相。
The mineralization and the alteration types are clearly distributed around the hornblende quartz diorite porphyry intrusion. 其礦化圍繞含眼球狀石英斑晶的角閃石石英閃長玢巖及其環帶狀蝕變帶分布。