火山岩主要岩石类型为粗安岩，少量粗面岩、玄武粗安岩、白榴石玄武粗安岩；
The main rock type of the volcanic rock is trachyandesite with small amounts of trachyte, basaltic-trachyandesite and leucite basaltic-trachyandesite.
黄骅坳陷风化店中生界火山岩油藏的岩石类型主要为粗面英安岩、粗面岩及少量英安岩和粗面安山岩。
The Mesozoic volcanic rocks in Fenghuadian, Huanghua depression , mainly consist of rhyolites, trachydacites, trachytes and minor trachyandesites and dacites.
欧利坨子地区沙三下亚段火山岩类型以火山碎屑岩为主，次为玄武岩及粗面岩。
The volcanic rocks of the Lower Es3 in Oulituozi region are mainly volcaniclastic rock, basalt and trachyte.
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