Much has been written about the age of the Chihsia Limestone, little is however made known of its stratigraphical bound......

新山铁多金属矿矿床规模大、品位高、共（伴）生有铜铅锌银等多种有用组份。经历了火山（海相）喷发、生物化学沉积、成岩作用、地下热水循......