The subaerial and subaqueous volcanic rocks have significant differences in lithology, texture and structure, alteration, occurence, contact with underlying strata, pore and fissure development.

• 摘要陆上与水下喷发火山岩在岩性、结构构造、蚀变特征、产状、与下伏地层接触关系、孔隙和裂缝发育特点等6方面有显著区别。