弱礦化蝕變晶屑凝灰岩(Weakly mineralized altered crystalline tuff)是採集於鷹潭市貴溪市的岩石標本。特徵描述岩石呈黑綠色,凝灰結構,塊狀構造,礦物組成:岩石由晶屑和中基性火山灰組...