变质砂岩 meaning in English

metasandstone

4 . the ore type is multitudinous in zhulazaga gold deposit , including exhaust - sediment type , alteration volcanic rock type , alteration metamorphic sandstone type , metasomatic rock type and sulfide quartz vein type , of which the strongest one contributed to deposit was the alteration metamorphic sandstone type , and the secondary one is alteration volcanic rock and metasomatic rock type
4 、朱拉扎嘎金矿的矿石类型众多，有喷流沉积型、蚀变火山岩型、蚀变变质砂岩型、交代岩型和硫化物石英脉型，其中对矿床或矿体贡献最大的是蚀变变质砂岩型，其次是蚀变火山岩型和交代岩型。