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Abstract:
罗卜岭铜钼矿床是位于紫金山矿田北东侧的一个大型斑岩型铜钼矿床,铜钼矿体产于四方花岗闪长岩和罗卜岭花岗闪长斑岩体内.通过对该矿床11件代表性辉钼矿样品进行Re-Os同位素定年,获得的模式年龄为104.7±1.6~106.5±1.5 Ma,等时线年龄为104.9±1.6 Ma,与赋矿围岩的成岩年龄一致,表明罗卜岭铜钼矿床形成于早白垩世,属燕山晚期构造—岩浆活动产物.由于斑岩铜钼矿床为紫金山矿田成矿流体早期演化的产物,故认为紫金山矿田成矿流体演化起始于105Ma左右.
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地质学报
ISSN: 0001-5717
CN: 11-1951/P
Year: 2012
Issue: 7
Volume: 86
Page: 1113-1118
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 4
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