paleovolcanology

The geochemical characteristics and ore-prospecting effects in Yiyang palaeovolcanic rock area of Hunan Province;根据地球化学特征在古火山岩区寻找金矿mTn汉语字典

The geochemical feature and forming tectonic environment of Zhangchun group palaeovolcanic rock, Northeast Jiangxi;赣东北张村岩群古火山岩地球化学特征及形成构造环境mTn汉语字典

Long-standing ancient remains, rare paleovolcanoes-The thinking f or establishing the national geologic park of the Shanmen, Siping-Yitong volcano es;悠悠古遗址 珍稀古火山——关于建立四平山门—伊通火山国家地质公园的若干思考mTn汉语字典

Researches in paleovolcanic geology and metallogeny to Zheyaoshan Cu-Zn deposit area of Baiyin Ore-field suggest that the area is a large paleovolcanic crater well-developed with a suite of erupted,erupt-flooded and flooded phases,volcanic stump,subvolcanic intrusions and extrusives as well as erupt-sedemantary phases.古火山地质学和矿床学研究表明，白银矿田折腰山Ｃｕ－Ｚｎ矿床地段，是一个火山岩岩相发育齐全（包括喷发－爆发相、喷发－溢流相、溢流相、火山颈相、次火山侵入相、火山侵出相以及喷发－沉积相）、空间展布有序、相序关系清楚的大型古火山口。mTn汉语字典

anthologic, petrographic and paleovolacanic apparatus study of volcanic and subvolcanic rocks of Dahalajunshan Formation in Axi mining district on the northern side of Ili basin, and study of paleovolcanic apparatus are conducted to probe into how gold deposits are controlled by paleovolcanic apparadus and sub-volcanic rock facies.通过对盆地北缘阿希金矿区下石炭统大哈拉军山组火山岩、次火山岩岩石学、岩相学及古火山机体的详细研究，探讨了古火山机体和次火山岩相对金矿床的控制作用。mTn汉语字典

The role of ancient volcanic crater of ore-controlling structure and exploration direction in south of Song county;嵩县南部古火山机构控矿作用及找矿方向