| 印尼苏拉威西超大型红土型镍矿找矿标志 |
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| 引用本文： | 张俊熙,杨玉华.印尼苏拉威西超大型红土型镍矿找矿标志[J].云南地质,2014(1):28-31,35. |
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| 作者姓名： | 张俊熙 杨玉华 |
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| 作者单位： | 云南省有色地质局308队,云南个旧661000 |
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| 摘 要： | 超大型红土型镍矿主要控矿因素,板块边界三联点构造控制的白垩纪、三叠纪、二叠纪蛇绿岩底部镁质超基性岩,基岩MgO/Fe0比值14～18,通过风化作用后,形成结构分带较好的风化壳,风化壳对数Mgo/全铁比值0.4～1,地貌20～400米标高、5～ 20度坡度角,中、低山面型地貌.
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| 关 键 词： | 控矿因素 地貌 超大型 红土型镍矿 找矿标志 印尼苏拉威西 |
PROSPECTING CRITERIA OF SUPER-LARGE LATERITE NI DEPOSIT IN SULAWESI,INDONESIA |
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| ZHANG Jun-xi,YANG Yu-hua.PROSPECTING CRITERIA OF SUPER-LARGE LATERITE NI DEPOSIT IN SULAWESI,INDONESIA[J].Yunnan Geology,2014(1):28-31,35. |
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| Authors: | ZHANG Jun-xi YANG Yu-hua |
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| Institution: | (Geological Team 308, Yunnan Bureau of Nonferrous Geology, Gefiu 661000) |
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| Abstract: | The main ore control factor of super-large scale laterite Ni deposit, Cretaceous, Triassic, Permi- an ophiolite floor magnesian ultrabasic rock of plate boundary 3-conjunction point of structure control, bed rock MgO/FeO ratio 14 - 18, after the weathering, the weathering crust with good structure zonation is formed, the weathering crust logarithm MgO/TFe ratio 0. 4 - 1, geomorphology, elevation 20 -400m, slope angle 5 -20°, middle-low mountain areal geomorphology. |
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| Keywords: | Ore Control Factor Geomorphology Super-Large Scale Laterite Ni Deposit Sulawesi In-donesia |
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