greenstone造句
2024年05月01日 23:22:37
The redelimited Jiapigou gold - concentrated area is composed of Archean granitoid -
greenstone belts and high grade metamorphism areas.
重新界定的夾皮溝金礦集中區(qū)包括了太古宙花崗 - 綠巖帶和高級變質(zhì)區(qū)兩個組成部分.
Evidence from isotopic dating suggests that the
greenstone belts vary considerably in age.
來自同位素年齡鑒定的證據(jù)指出,綠巖帶在年齡上彼此變化相當(dāng)大.
Both the well - preserved
greenstone belt and TTG - reworked granite -
greenstone belt are favorable for gold deposit formation.
無論是保存相對完好的綠巖帶還是被 TTG 改造后的花崗 — 綠巖帶,均有利于金礦形成.
Granite
greenstone - hosted , meta - clastics - hosted , volcanics - subvolcanics hosted and sedimentary rock - hosted micro - disseminated gold deposits are of industrial value.
具有工業(yè)價值的金礦類型以花崗巖 - 綠巖型、變碎屑巖型 、 微細(xì) 浸染型 、 火山-次火山巖型為主.