最近几年,一些火山岩型铀矿床的发现已引起不少国家,特别是火山岩发育的国家的关注。其中较重要的发现地区有美国内华达、墨西哥的奇瓦瓦、南美洲科迪勒拉——安第斯山脉地区(包括厄瓜多尔、秘鲁、玻利维亚、阿根廷)、意大利阿尔卑斯山脉地区 In recent years, the discovery of some volcanic rock-type uranium deposits has attracted the attention of many countries, especially the countries where volcanic rocks have developed. Among the more important discoveries are Nevada, USA, Chihuahua, Mexico, Cordillera, South America, Andes (including Ecuador, Peru, Bolivia, Argentina), and the Italian Alps.