中国煤炭地质
中國煤炭地質
중국매탄지질
COAL GEOLOGY OF CHINA
2013年
12期
106-111
,共6页
西澳大利亚%BIF型铁矿床%CID型铁矿床
西澳大利亞%BIF型鐵礦床%CID型鐵礦床
서오대리아%BIF형철광상%CID형철광상
Western Australia%BIF type iron ore deposit%CID type iron ore deposit
西澳大利亚州铁矿资源主要分布在北部皮尔巴拉和南部的伊尔岗两个太古宙克拉通。皮尔巴拉克拉通BIF型铁矿在汤姆普赖斯山、恰那和布鲁克曼的矿石矿物组合为假象赤铁矿-微板状赤铁矿,马拉曼巴的为赤铁矿-针铁矿,CID型铁矿在罗布河和杨迪矿石类型主要为褐铁矿;伊尔岗克拉通BIF型铁矿在库里阿诺的矿石矿物组合为针铁矿-假象赤铁,比温和曼迪尕的为磁铁矿±假象赤铁矿和针铁矿±赤铁矿。BIF型铁矿为浅生-变质成矿,而CID型铁矿则是先前形成的BIF经侵蚀、搬运、沉积和埋藏作用形成。
西澳大利亞州鐵礦資源主要分佈在北部皮爾巴拉和南部的伊爾崗兩箇太古宙剋拉通。皮爾巴拉剋拉通BIF型鐵礦在湯姆普賴斯山、恰那和佈魯剋曼的礦石礦物組閤為假象赤鐵礦-微闆狀赤鐵礦,馬拉曼巴的為赤鐵礦-針鐵礦,CID型鐵礦在囉佈河和楊迪礦石類型主要為褐鐵礦;伊爾崗剋拉通BIF型鐵礦在庫裏阿諾的礦石礦物組閤為針鐵礦-假象赤鐵,比溫和曼迪尕的為磁鐵礦±假象赤鐵礦和針鐵礦±赤鐵礦。BIF型鐵礦為淺生-變質成礦,而CID型鐵礦則是先前形成的BIF經侵蝕、搬運、沉積和埋藏作用形成。
서오대리아주철광자원주요분포재북부피이파랍화남부적이이강량개태고주극랍통。피이파랍극랍통BIF형철광재탕모보뢰사산、흡나화포로극만적광석광물조합위가상적철광-미판상적철광,마랍만파적위적철광-침철광,CID형철광재라포하화양적광석류형주요위갈철광;이이강극랍통BIF형철광재고리아낙적광석광물조합위침철광-가상적철,비온화만적소적위자철광±가상적철광화침철광±적철광。BIF형철광위천생-변질성광,이CID형철광칙시선전형성적BIF경침식、반운、침적화매장작용형성。
Iron ore resources in the Western Australia State are mainly distributed in two Archean craton:Pilbara in the north and Yil-garn in the south. The Pilbara craton BIF type iron ore deposit mineral assemblage in Tom Price, Channar and Brockman is martite-mi-croplaty hematite, while in Marra Mamba is hematite-goethite;CID type iron ore deposit in Robe River and Yandi is mainly limonite. In Yilgarn craton, BIF type ore deposit mineral assemblage in Koolyanobbing is goethite-martite, while in Beebyn and Madoonga is magnetite ± martite and goethite ± hematite. The ore forming process of BIF type iron ore deposit is hypergene and metamorphism, while the CID type iron ore deposit is formed on preceding BIF type basis after erosion, transportation, deposition and burying.