Formation of the Chah Gaz iron oxide apatite ore IOA

The Bafq iron metallogenic belt is located in the Early Cambrian Kashmar Kerman volcano plutonic arc in Central Iran that formed during subduction of the Proto Tethys oceanic plate Ramezani and Tucker 2003 Torab and Lehmann 2007 Most of the IOA deposits in the Bafq district are located in the center of the Kashmar Kerman tectonic zone Ramezani and

New advances in trace element geochemistry of ore minerals

The trace element composition of ore minerals and accessory phases can be measured using EMPA SIMS or LA ICP MS as complementary techniques because neither can obtain a small sample volume and a low detection limit simultaneously Trace elements in magnetite from massive iron oxide apatite deposits indicate a combined formation by igneous

Trace element deportment and particle formation behaviour

The trace element concentrations in the iron ore at different reduction tempatures were analysed along with changes in chemical structure and surface morphology using X ray diffraction Fourier transform infrared spectroscopy Raman spectroscopy and scanning electron microscopy Results showed that the extent of As S Li Sn and Pb

Trace element evidence for diverse origins of superheavy

Trace element concentrations in pyrite can be used to constrain its origin since trace element enrichment or depletion reflects the formation mechanism and the composition of the source fluid Gregory 2020 Gregory et al 2015 Gregory et al 2019 Furthermore these trace elements are relatively stable in unaltered pyrite and can be preserved even in mid

Discrimination and Variance Structure of Trace Element

Uni and multivariate statistical analyses of trace element laser ablation inductively coupled plasma mass spectrometry data for Fe oxides from banded iron formation BIF and BIF hosted ores in 13 deposits/prospects of the Middleback Ranges South Australia are presented The obtained trace element signatures were considered within a petrographic

A compositional trace element study between ore gangue

IOA iron oxide apatite or Kiruna type deposits are an important source of iron and potentially other elements REE P Co However their genesis still remains an unanswered question with theories ranging from a magmatic to a hydrothermal origin Trace element distribution in magnetite allows to differentiate between magmatic and hydrothermal origin of Kiruna type

Formation of iron oxide apatite deposits Nature

Renewed economic interest in iron oxide apatite IOA deposits — containing tens to hundreds of millions of tonnes of Fe and substantial amounts of rare earth elements P Co and V — has

Trace element deportment and particle formation behaviour

PDF On Apr 1 2015 Tao Kan and others published Trace element deportment and particle formation behaviour during thermal processing of iron ore Technical reference for risk assessment of iron

Zircon U Pb ages Hf O isotopes and trace elements of the

Zircon Hf O isotopic and trace element data can be used to constrain magma sources and crystallization conditions SHRIMP zircon U Pb dating of gabbro diorite porphyrite in Jishan iron ore deposit of Ningwu basin and its geological significance Miner Deposits 31 2012 pp 1127 1236

Textural evolution and trace element chemistry of

The concentrations of most trace elements analyzed are relatively low except for Sr and Y which can attain values up to 1 wt% and 200 ppm respectively Some of the trace elements or trace element ratios in hydrothermal calcite including Sr Y Mn La/Lu N and ∑REE show correlations with the respective host rock lithologies This

In situ trace elements and Fe isotope compositions of

Magnetite samples from Gwanin Fe Ti oxide deposit in South Korea were collected to identify the deposit origin and to understand the ore forming processes Based on the macro and micro scale observation the Fe Ti oxide ores were divided into olivine bearing massive ore biotite bearing massive ore banded ore and skarn ore Trace elements and Fe

Trace Element Analysis Methodology

2 The Olympic IOCG Province The Olympic IOCG Province is the world s most richly endowed IOCG ore province It includes the super giant Olympic Dam deposit Prominent Hill Carrapateena Punt Hill and other prospects Hayward and Skirrow 2010 The province Fig 1 a is located along the eastern margin of the Gawler Craton South

Evaluation of trace elements and identification of pollution

This result indicates that the iron ore soils have been polluted by trace elements The maximum concentrations of Cr Cu Cd and Hg are times times times and 14 times of the soil background values in Beijing respectively showing that there is a certain degree of trace element enrichment in soils Among the selected trace

PDF Trace element fractionation in magnetite as a function

Trace element and isotope investigations of the different ore types reveal two major groups of magnetite Group I represented by the massive partly brecciated ores from both deposits is

Apatite trace element geochemistry and cathodoluminescent

The four REE bearing breccia pipes that cut the iron ore body are estimated to contain ∼ Mt at 12% total REE oxides Day et al 2016 The Boss iron oxide copper gold Trace element concentrations in apatite were measured by LA ICP MS using a Photon Machines Analyte G2 LA system 193 nm 4 ns excimer attached to a PerkinElmer

Formation of giant iron oxide copper gold deposits by

Using integrated in situ sulfide trace element geochemistry and sulfur isotopes to trace ore forming fluids Example from the Mina Justa IOCG deposit southern Perú Ore Geol Rev 101 165

Trace Element Analysis of Minerals in Magmatic

Laser ablation inductively coupled plasma mass spectrometry LA ICP MS has rapidly established itself as the method of choice for generation of multi element datasets for specific minerals with broad applications in Earth science Variation in absolute concentrations of different trace elements within common widely distributed phases such as pyrite iron oxides

Ore forming processes in the Khetri Copper Belt western

The Co/Ni ratios of KCB pyrite are similar to those from iron oxide apatite and other IOCG deposits although the latter do not have a characteristic Co/Ni ratio but consistently have high Co concentrations up to 1 wt% or more mechanisms of incorporation of selected trace elements in pyrite and ore genetic implications of trace elements

Volatilisation of trace elements during reduction of iron ore

The trace element concentrations in the iron ore at different reduction tempatures were analysed along with changes in chemical structure and surface morphology using X ray diffraction Fourier

Geology and trace element geochemistry of the albitite hosted iron ore

The present study is focused on the iron ore occurrences in the southern and south eastern part of the Khetri copper deposit where a good number of iron ore bodies of mineable scale Fig 3 are found within the albitites and meta sedimentary rocks belonging to Alwar and Ajabgarh Group of Delhi magnetite found from the Khetri Copper

PDF Trace element evolution of magnetite in iron oxide

In recent years magnetite trace elements have increasingly been applied in studies into ore deposits The magnetite trace element characteristics of different deposit types have been summarized

Multivariate Statistical Analysis of Trace Elements in Pyrite

Pyrite is the most common sulphide in a wide range of ore deposits and well known to host numerous trace elements with implications for recovery of valuable metals and for generation of clean concentrates Trace element signatures of pyrite are also widely used to understand ore forming processes Pyrite is an important component of the Olympic Dam