第二次成矿作用是次生富集作用。
络阴离子团的地球化学性质，控制着红土型金矿床的垂向分带与金的次生富集。
The geochemical nature of the complex anion group controlled the vertical zoning and secondary enrichment of gold in the laterite gold deposits.
但由于原含矿地质体金矿化及构造裂隙分布的不均匀性，使金的次生富集局部出现波动。
The gold enrichment from the lower part to the upper part of the weathering granite is obvious, but the distribution is heterogeneous.
研究影响斑岩型铜矿氧化带次生富集带发育的因素等，并指出青海南部玉树—扎多—乌丽一带是我国寻找斑岩型富铜矿的最有利地区。
Besides, It is pointed out that the belt of Yushu-Zaduo-Naoliin south Qinghai province is the favourable district of prospecting enriched porphyry copper deposits.
谢凤桥构造捕获并保存了两次生成的油气，油气富集程度最高。
Xie Fengqiao structure had captured and preserved the primary and secondary hydrocarbons, thus its enrichment level is the highest.
金主要富集在铁帽亚带及次生硫化物带。
二氧化碳富集的地区常常是次生溶蚀作用较强的地区，因此也是寻找深部次生优质油气储层的有利地区。
The areas of carbon dioxide concentrating were commonly ones of deep dissolution, so as to be favorable areas to look for good oil and gas reservoirs.
二氧化碳富集的地区常常是次生溶蚀作用较强的地区，因此也是寻找深部次生优质油气储层的有利地区。
The areas of carbon dioxide concentrating were commonly ones of deep dissolution, so as to be favorable areas to look for good oil and gas reservoirs.
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