Alkaline rocks in the area are mainly composed of gray-black trachyte, and some breccia lava, syenite porphyry and syenite aplite.
碱性岩的岩性组合主要以灰黑色粗面岩为主、并含有角砾熔岩,正长斑岩、正长细晶岩等。
The Late Jurassic-Early Cretaceous activity produced basaltic and basaltic andesitic lavas ( 146Ma, 137Ma), followed by gabbro intrusion ( 135Ma) and aplite dyke ( 129Ma).
侏罗纪末~早白垩世初的火山活动除有熔岩(146Ma,137Ma)喷出外,还发育有辉长岩侵入体(135Ma)和辉绿岩岩墙(129Ma)等次火山岩。
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