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Banded Iron Formation | Western Australian Museum

The banded iron formations of the Hamersley Province in the Pilbara region of Western Australia, are the thickest and most extensive rocks of this type in the world. It is estimated that after they were originally deposited, about 2470 to 2450 million years ago, they covered some 150 000 km2 and contained about 300 trillion tonnes of iron.

Geology of Western Australia

PO Box 1677 West Perth WA 6872 Box 6001 Dural Delivery Centre NSW 2158 [email protected] [email protected] INTRODUCTION Magnetite and hematite are common iron-oxides, being found in sedimentary, metamorphic and igneous environments and being associated with a wide variety of deposits styles,

Electrical Properties of Magnetite

Oreskes, N. and Einaudi, M.T. (1990): Origin of Rare Earth-enriched Hematite Breccias at the Olympic Dam Deposit, Roxby Downs, South Australia; Economic Geology, Volume 85, pages 1-28. Parak, T. (1975) : Kiruna Iron Ores are not "Intrusive-magmatic Ores of the Kiruna Type"; Economic Geology, Volume 68, pages 210 -221.

Olympic Dam: a giant Australian ore deposit

ing and mining proceeds, and the final picture may be quite different from the original idea. The Olympic Dam deposit in Australia's outback is one of the largest metallic mineral deposits to be discovered in recent times (Fig. 1). It took 13 years to evaluate and develop this enormous deposit of copper, uranium, gold

Chapter 6 Kiruna

Igneous Origin Hematite Deposits perth australia. Hematite: A primary ore of iron and a pigment mineral Geology. Learn about the uses and properties of the mineral hematite. It is a common rockforming mineral found in sedimentary, metamorphic, and igneous rocks at . Ore Deposits Formed by Metamorphism Angelfire

Chapter 6 Kiruna

The Nabarlek deposit is an unusually high-grade uranium orebody (1.84% U 3 O 8, 12,000 metric tons) hosted by amphibolite and semipelitic schist of lower Proterozoic age.It is unusual in the Alligator Rivers uranium field in being hosted by amphibolite.

Banded Iron Formation | Western Australian Museum

The Middleback Ranges is a major iron ore belt in the southeastern region of the Gawler Craton, South Australia, interpreted to be of BIF origin. Iron ore deposits are hosted within ∼2550 Ma ...

2.4 Iron oxide copper

Iron oxide copper gold ore deposits (IOCG) are important and highly valuable concentrations of copper, gold and uranium ores hosted within iron oxide dominant gangue assemblages which share a common genetic origin. These ore bodies range from around 10 million to >4,000 million tonnes of contained ore, and have a grade of between 0.2% and 5% copper, with gold …

Supergene modification of magnetite and hematite shear ...

Hematite iron ore deposits are currently exploited on all continents, with the largest intensity of exploitation in South America, Australia and Asia. Most large hematite iron ore deposits are sourced from met somatically altered banded iron formations and rarely igneous accumulations.The most important deposits of hematite are sedimentary in ...

Iron Oxide Breccias & Veins

Apr 26, 2015· Ore deposits can exclusively be formed under sedimentation process like iron ore as Banded Iron Formation (BIF), and Banded Hematite Quartzite (BHQ), zinc-lead deposits in dolomite, copper-gold in quartzite, diamond in conglomerate and limestones. Metamorphic rocks host important ore deposits …

Geology of the Nabarlek uranium deposit, Northern ...

Australia rifted from Antarctica in the Cretaceous, 84 million years ago, and has now begun to collide with Asia. A wealth of mineral deposits and petroleum resources formed during the 4.4 billion year geological history of Western Australia. World-class mineral deposits include gold, iron, nickel, heavy mineral sands, diamonds and bauxite.

A synvolcanic origin for magnetite

The Prominent Hill iron oxide copper-gold (IOCG) deposit is located approximately 150 km north-west of Olympic Dam and 650 km NNW of Adelaide in northern South Australia (#Location: 29° 43' 14"S, 135° 34' 38"E). Prominent Hill, Carrapateena, Olympic Dam, Moonta-Wallaroo and Hillside, and all of the other significant known IOCG mineralised systems of the Gawler craton, …

Classification of sedimentary rocks

Aug 01, 2019· The Mt Richardson deposit contains high-grade (>57 wt% Fe total) iron ore zones hosted by several banded iron-formations (BIFs) in the c. 3504 Ma Illaara greenstone belt.The BIFs and intervening mafic igneous rocks are exposed along a 700 m-wide, 140 m-high, NNW-trending ridge that demarks the eastern limb of a greenstone belt-scale tight, upright, …

Australia

Igneous origin hematite deposits. Igneous origin hematite deposits perth australia hematite a primary ore of iron and a pigment mineral - geology learn about the uses and properties of the mineral hematite, it is a common rock-forming mineral found in sedimentary, metamorphic, and igneo. More Details

Mineral Position Of Hematite Iron Ore

Igneous Origin Hematite Deposits In Perth … Igneous Origin Hematite Deposits In Perth Australia. Chili 120-150tph Station de concassage mobile de pierre de rivière. Chili 120-150tph Station de concassage mobile de pierre de rivière. Ligne de concassage de minerai de fer du Chili. Papouasie Nouvelle … Get Price

Banded Iron Formation | Western Australian Museum

The Geology and Genesis of High-Grade Hematite Iron Ore Deposits N J Beukes1, J Gutzmer1 and J Mukhopadhyay1,2 INTRODUCTION Most world-class high-grade (60 - 67 wt per cent Fe) hematite

Leaching of silica bands and concentration of magnetite in ...

Australia rifted from Antarctica in the Cretaceous, 84 million years ago, and has now begun to collide with Asia. A wealth of mineral deposits and petroleum resources formed during the 4.4 billion year geological history of Western Australia. World-class mineral deposits include gold, iron, nickel, heavy mineral sands, diamonds and bauxite.

Geology of Western Australia

Hematite breccias, the host rocks to Cu-U-Au-Ag ore at the Olympic Dam deposit, occur as steeply dipping, northwest-striking, dikelike bodies within fractured granite. The breccia complex has a strike length of over 5 km and extends to depths greater than 1 km.

The Geology and Genesis of High

The banded iron formations of the Hamersley Province in the Pilbara region of Western Australia, are the thickest and most extensive rocks of this type in the world. It is estimated that after they were originally deposited, about 2470 to 2450 million years ago, they covered some 150 000 km2 and contained about 300 trillion tonnes of iron.

Nelsonite and Kiruna

Resistivity and IP technique for mapping hematite Ida H, F., Anton K., Shahriar J. ASEG-PESA 2015 – Perth, Australia 2 Line1 Geological setting. Generally, the area is composed of massive intrusive igneous

Geology of the Nabarlek uranium deposit, Northern ...

2.1. Deposit Geology The Olympic Dam Cu–U–Au–Ag deposit, South Australia (10,400 Mt at 0.77% Cu, 0.25 kg/t, 0.32 g/t Au and 1 g/t Ag; [22]), is one of the world's largest orebodies and is anomalously rich in REY relative to crustal values [19]. The deposit is hosted within the Olympic Dam Breccia Complex

Resistivity and Induction polarization technique for ...

South Australia has a significant and continuous history of iron ore mining, commencing in the late 1800s to provide hematite flux for the Broken Hill smelting operations. The first smelting of iron ore to produce pig iron occurred in 1873 from the Mount Jagged deposit, located 52 km south of Adelaide.