Typical features of subaqueous volcanic rocks include perlite with glassy structure and pillow structure, lamellar tuff, hentonite.

 
  • 水下噴發(fā)火山巖典型標志為珍珠巖、玻璃質(zhì)結構、枕狀構造、紋層狀凝灰巖和膨潤土。
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