云南瑞丽锡矿块体特征

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图2-7-11 瑞丽锡地球化学块体分布图
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49
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8236.64
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8200.52
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1.00
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49-1
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7064.27
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7545.60
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1.07
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491-1
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491-2
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491-3
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1464.75
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674.73
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2583.88
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1652.99
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600.03
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3576.83
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1.13
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0.89
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1.38
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4911-1
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4913-1
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512.93
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1567.05
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884.41
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2502.89
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1.72
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1.60
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49111-1
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49131-1
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106.42
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381.62
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201.75
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815.28
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1.90
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2.14
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图2-7-12 瑞丽锡地球化学块体谱系树枝图
云南瑞丽锡矿资源潜力分析
瑞丽锡块体位于怒江以西六库-潞西地区,属冈底斯-念青唐古拉成矿带,发育有加里东、燕山晚期和喜马拉雅期多旋回复式花岗岩穹隆,并以加里东期的平河复式花岗岩为主体,喜马拉雅期中细粒花岗岩侵入到平河花岗岩内,并富含Sn、Be等元素。预测块体内潜在锡资源量为32万吨。