Formation of iron oxide–apatite deposits

M Reich, AC Simon, F Barra, G Palma, T Hou… - Nature Reviews Earth & …, 2022 - nature.com
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 …

[HTML][HTML] Iron oxide copper-gold (IOCG) deposits–A review (part 1): Settings, mineralogy, ore geochemistry and classification

RG Skirrow - Ore Geology Reviews, 2022 - Elsevier
Characteristics of ten of the world's metallogenic provinces hosting iron oxide Cu-Au (IOCG)
deposits have been critically assessed, including their geological and tectonothermal …

Apatite trace element compositions: A robust new tool for mineral exploration

M Mao, AS Rukhlov, SM Rowins… - Economic …, 2016 - pubs.geoscienceworld.org
Apatites from the major types of mainly magmatic-hydrothermal mineral deposits (30
localities, mostly in British Columbia, Canada) together with apatites from carbonatites (29 …

Trace elements in magnetite from massive iron oxide-apatite deposits indicate a combined formation by igneous and magmatic-hydrothermal processes

JL Knip**, LD Bilenker, AC Simon, M Reich… - … et Cosmochimica Acta, 2015 - Elsevier
Iron oxide-apatite (IOA) deposits are an important source of iron and other elements (eg,
REE, P, U, Ag and Co) vital to modern society. However, their formation, including the …

Immiscible hydrous Fe–Ca–P melt and the origin of iron oxide-apatite ore deposits

T Hou, B Charlier, F Holtz, I Veksler, Z Zhang… - Nature …, 2018 - nature.com
The origin of iron oxide-apatite deposits is controversial. Silicate liquid immiscibility and
separation of an iron-rich melt has been invoked, but Fe–Ca–P-rich and Si-poor melts …

Trace element signature of pyrite from the Los Colorados iron oxide-apatite (IOA) deposit, Chile: A missing link between Andean IOA and iron oxide copper-gold …

M Reich, AC Simon, A Deditius, F Barra… - Economic …, 2016 - pubs.geoscienceworld.org
Although studies have proposed that iron oxide-apatite (IOA) deposits may represent the
deeper roots of some Andean iron oxide copper-gold (IOCG) systems, their genetic links …

Halogens, trace element concentrations, and Sr-Nd isotopes in apatite from iron oxide-apatite (IOA) deposits in the Chilean iron belt: Evidence for magmatic and …

G Palma, F Barra, M Reich, V Valencia… - … et Cosmochimica Acta, 2019 - Elsevier
The ratio of the halogens F and Cl in apatite is highly sensitive to changes in the
composition of an evolving silicate melt or aqueous fluid. For this reason apatite chemistry is …

The origin and discrimination of high-Ti magnetite in magmatic-hydrothermal systems: Insight from machine learning analysis

B Hu, LP Zeng, W Liao, G Wen, H Hu… - Economic …, 2022 - pubs.geoscienceworld.org
Abstract High-titanium (high-Ti, more than 1 wt% Ti) magnetite, commonly containing
ilmenite exsolution, has long been attributed to an igneous origin and has been used as the …

Iron-rich melts, magmatic magnetite, and superheated hydrothermal systems: The El Laco deposit, Chile

F Tornos, F Velasco, JM Hanchar - Geology, 2016 - pubs.geoscienceworld.org
We propose an integrated model that explains the magmatic and hydrothermal features of
the unique El Laco iron deposit that is located in a Pliocene–Pleistocene volcano of the …

Formation of magnetite-(apatite) systems by crystallizing ultrabasic iron-rich melts and slag separation

F Tornos, JM Hanchar, M Steele-MacInnis, E Crespo… - Mineralium …, 2024 - Springer
Magnetite-(apatite) ore deposits are interpreted as being formed by the crystallization of iron-
rich ultrabasic melts, dominantly generated by the interaction of silicate melts with oxidized …