搜索结果: 1-1 共查到“火山学 correlation”相关记录1条 . 查询时间(0.14 秒)
Use of immobile trace elements for the correlation of Telychian bentonites on Saaremaa Island,Estonia,and mapping of volcanic ash clouds
bentonites K-bentonites Telychian correlation isopach schemes East Baltic
2009/10/21
Thirty suspected altered volcanic ash (bentonite) samples from the Nässumaa-825 and Orissaare-859 sections were analysed by the X-ray fluorescence method. Twenty of these samples revealed chemica...