greenstone造句
2024年06月15日 12:47:54
Evidence from isotopic dating suggests that the
greenstone belts vary considerably in age.
來(lái)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(wú)論是保存相對(duì)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(jià)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.