Typical characteristics of subaerial volcanic rocks include rhyolitic structure, culurrinar joints car bonized wood/silicified wood, angular unconformity contact with underlying strata.

 
  • 其陆上喷发火山岩的典型标志为流纹构造、柱状节理,含炭化木/硅化木,与下伏地层呈角度不整合接触。
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