The progeny of vocahic spurting inJinningian is studied through isotopic era, which belonys to the morning of new proterozoic era.
The progeny of vocahic spurting inJinningian is studied through isotopic era, which belonys to the morning of new proterozoic era.
经同位素年龄研究属晋宁期火山喷发产物，时代归属为新元古代早期。