megacryst相关论文
In the light of major element geochemistry, mineral chemistry and REE and isotopic data, the small but apparent isotopic......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
胶州大西庄晚白垩世碱性玄武岩中发现有单斜辉石巨晶,其矿物化学成分较为均一,S iO2含量在46.2%~47.6%之间,A l2O3为8.4%~9.0%,M g......