JURASSIC AMMONITES IN ANOXIC BLACK SHALES FROM SEWA AND AMDO,NORTHERN TIBET
JURASSIC AMMONITES IN ANOXIC BLACK SHALES FROM SEWA AND AMDO,NORTHERN TIBET
西藏北部色哇-安多地区侏罗纪菊石类与缺氧黑色页岩相
JURASSIC AMMONITES IN ANOXIC BLACK SHALES FROM SEWA AND AMDO,NORTHERN TIBET
西藏北部色哇-安多地区侏罗纪菊石类与缺氧黑色页岩相