在中威尔士矿田中,许多已发现和开采的矿床都是出露在地表的。该区大部分被冰川沉积、泥炭或厚层土壤覆盖,而这些地区则是发现隐覆矿的潜在靶区,在这类地区并非一般的化探方法都能适用。由于大部分覆盖物的运积性质,所以贱金属元素的地球化学异常一般在地表受到一定限制,或者是难以检测出来。那些可以形成大 Many of the discovered and mined deposits are exposed on the surface in the Welsh field. Most of the area is covered by glacial sediments, peat or thick soil, and these areas are potential target areas for the discovery of hidden ores, which are not common to geochemical exploration methods in these areas. Geochemical anomalies of base metal elements are generally limited at the surface or are difficult to detect due to the transport properties of most of the coverings. Those can form big