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 …

The role of evaporite layers in the ore-forming processes of iron oxide-apatite and skarn Fe deposits: Examples from the middle-lower Yangtze River metallogenic Belt …

C Duan, Y Li, J Mao, Q Zhu, G Xie, Q Wan, W Jian… - Ore Geology …, 2021 - Elsevier
Iron oxide–apatite (IOA) and skarn Fe deposits are important sources of Fe in China. During
the Mesozoic, a large number of large IOA and skarn Fe deposits formed in the Middle …

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 …

The role of iron-rich hydrosaline liquids in the formation of Kiruna-type iron oxide–apatite deposits

LP Zeng, XF Zhao, C Spandler, JA Mavrogenes… - Science …, 2024 - science.org
Kiruna-type iron oxide–apatite (IOA) deposits, an important source of iron, show close
associations with andesitic subvolcanic intrusions. However, the processes of ore formation …

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 …

[HTML][HTML] Evidence for iron-rich sulfate melt during magnetite (-apatite) mineralization at El Laco, Chile

WM Bain, M Steele-MacInnis, F Tornos… - …, 2021 - pubs.geoscienceworld.org
The origins of Kiruna-type magnetite (-apatite)[Mt (-Ap)] deposits are contentious, with
existing models ranging from purely hydrothermal to orthomagmatic end members. Here, we …

Hydrothermal sulfate surges promote rare earth element transport and mineralization

Y Wan, IM Chou, X Wang, R Wang, X Li - Geology, 2023 - pubs.geoscienceworld.org
The generation of sulfate-rich hydrothermal fluids is of great significance to investigate
because it is closely associated with the formation of many important ore deposits, such as …

Role of sulfate in the transport and enrichment of REE in hydrothermal systems

Y Wan, X Wang, IM Chou, X Li - Earth and Planetary Science Letters, 2021 - Elsevier
Sulfate is a common and important component in the mineralizing fluids of some world-class
rare earth element (REE) deposits. However, the roles of sulfate during the transport and …

Origin of high-Ti magnetite in magmatic-hydrothermal systems: evidence from iron oxide-apatite (IOA) deposits of Eastern China

LP Zeng, XF Zhao, C Spandler, H Hu… - Economic …, 2022 - pubs.geoscienceworld.org
Magnetite chemistry has been widely used to distinguish igneous versus hydrothermal
origins for a range of magnetite-bearing mineral deposits. However, the origin of Ti-rich …

Magmatic immiscibility and the origin of magnetite-(apatite) iron deposits

DK Pietruszka, JM Hanchar, F Tornos, R Wirth… - Nature …, 2023 - nature.com
The origin of magnetite-(apatite) iron deposits (MtAp) is one of the most contentious issues
in ore geology with competing models that range from hydrothermal to magmatic processes …