Researchers have determined this based on a microscopic analysis of quartz crystals in pumice from the Bishop Tuff in California, the site of a super-eruption 760,000 years ago.
通过对加利福尼亚主教凝灰岩（76万年前此地曾发生过一场超级火山喷发）浮石中的石英晶体进行显微分析，研究者们确定了这一结论。
Researchers have determined this based on a microscopic analysis of quartz crystals in pumice from the Bishop Tuff in California, the site of a super-eruption 760,000 years ago.
通过对加利福尼亚主教凝灰岩（76万年前此地曾发生过一场超级火山喷发）浮石中的石英晶体进行显微分析，研究者们确定了这一结论。
应用推荐