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。

  • 互联网摘选 2025-01-19 23:26:57

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