In the overlapped fault volcan ic basin there occurred extensive magmatic rock consisting of potassium_rich int ermediate_basic to alkaline volcanic rocks and lamprophyre.

 
  • 在上叠构造断陷_火山盆地单元内,广泛分布幔源岩浆 岩,包括中基性到碱性的侵入岩、富钾火山岩和煌斑岩;
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