volcanic rocks

• Sequence stratigraphy with fills of volcanic rocks in xujiaweizi faulted depression of songliao basin , northeast china
  徐家围子断陷火山岩充填的层序地层
• The reservoirs in permian is consist of carbonate rock , tuff , clastic rock and volcanic rock
  二叠系储集层主要由碳酸盐岩、沉凝灰岩、碎屑岩和火山岩组成。
• Petrogenesis of the mesozoic potash rich volcanic rocks in the luzong basin , anhui province : geochemical constraints
  安徽庐枞中生代富钾火山岩成因的地球化学制约
• Establish and genesis of oceanic island basic volcanic rock early carboniferous in northern of daxing ' anling
  大兴安岭北段早石炭世洋岛型玄武岩的确立及成因意义
• Characteristics of the early proterozoic volcanic rocks and its dynamic background of formation in the liaodong area
  辽东地区早元古代火山岩特征及其形成的动力学背景
• Thick volcanic rock layers ( tuff ) occurred along the coast and on offshore islands of eastern hong kong
  浓厚的火山岩层（凝灰岩）出现于本港沿岸及东面的离岸岛屿。
• The sand on red beach gets its reddish color from the red volcanic rocks that make up the cliffs around the beach
  红海滩沙子的红色来自形成海滩周围悬崖的红色火山岩。
• These volcanic rocks occur as stratified or stratoid beds , and are in conformable contact with the elastic rocks
  火山岩呈层状、似层状产出，与碎屑岩均呈整合接触关系。
• Favorable reservoirs may be composed of sandstones , conglomerates basement metamorphic buried hills , and volcanic rocks
  砂岩、砾岩、基底变质岩潜山，火山岩均可形成良好储层。