早古生代 ( Early Paleozoic Era )即显生宙古生代的早期,包括寒武纪()、奥陶纪(O)和志留纪(S)三个纪。
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The exhalation-spout type deposits of the early Paleozoic era and the orogenic type deposits of the late Paleozoic to early Mesozoic era are the most important deposit groups.
早古生代时期的喷气喷流型矿床组合和晚古生代—早中生代时期的造山型矿床组合最为重要。
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