新疆普昌岩浆型钒钛磁铁矿

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新疆普昌岩浆型帆钛磁铁矿
成矿区带:塔里木陆块北缘成矿带(皿-13)+
建造构造:石炭纪基性侵入岩体,岩性主要为辉长岩,其次为斜长岩,并含少量橄榄辉长岩、苏长辉长岩、易剥辉长岩+
成矿时代:石炭纪+
成矿组分:Fe,(Ti,V)。
矿床实例:(新)阿图什市普昌飢钛磁铁矿床+
简要特征:钛磁铁矿呈似层状、囊状产于中粒辉长岩相中+矿石中金属氧化物主要有钛磁铁矿、钛磁赤铁矿、钛铁矿;金属硫化物主要为磁黄铁矿,次有黄铜矿、黄铁矿+矿石构造主要为条带状、浸染状构,次为块状+矿床平均品位TFe为26.70%,TiO:为4.17%,伴生匕。5为0.17%+
成因认识:晚古生代裂谷环境,富铁质基性岩浆分异成矿+
霍纳
(中国地质调查局西安地质调查中心杨合)

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