Browsing by Author "f23afa82-b911-401e-8795-6846cec2d7dd"

Now showing items 1-14 of 14

    • A Continuum from Iron Oxide Copper-Gold to Iron Oxide-Apatite Deposits: Evidence from Fe and O Stable ... 
      Rodríguez Mustafa, María A.; Simon, Adam C.; Real Contreras, Irene del; Thompson, John F.H.; Bilenker, Laura D.; Barra Pantoja, Fernando; Bindeman, Ilya (Society of Economic Geologists (SEG), 2020)
      Iron oxide copper-gold (IOCG) and iron oxide-apatite (IOA) deposits are major sources of Fe, Cu, and Au. Magnetite is the modally dominant and commodity mineral in IOA deposits, whereas magnetite and hematite are predominant ...
    • A review of magnetite geochemistry of Chilean iron oxide-apatite (IOA) deposits and its implications for ... 
      Palma, Gisella; Barra Pantoja, Fernando; Reich Morales, Martin; Simon, Adam C.; Romero, Rurik (Elsevier, 2020)
      Magnetite is the most important iron ore in iron oxide-apatite (IOA) deposits which represent the Cu-poor endmember of the iron oxide-copper-gold (IOCG) clan. Magnetite chemistry has been used as a petrogenetic indicator ...
    • Formation of massive iron deposits linked to explosive volcanic eruptions 
      Ovalle, J. Tomás; La Cruz, Nikita L.; Reich Morales, Martín; Barra, Fernando; Simon, Adam C.; Konecke, Brian A.; Rodriguez-Mustafa, María A.; Deditius, Artur P.; Childress, Tristan M.; Morata Céspedes, Diego (Nature Publishing Group, 2018)
      © 2018, The Author(s). The genetic link between magmas and ore deposit formation is well documented by studies of fossil hydrothermal systems associated with magmatic intrusions at depth. However, the role of explosive ...
    • Formation of the Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile: insights from Fe and O stable ... 
      Childress, Tristan M.; Simon, Adam C.; Reich Morales, Martín; Barra Pantoja, Fernando; Arce, Mauricio; Lundstrom, Craig C.; Bindeman, Ilya N. (Springer, 2020)
      The Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile, contains hundreds of millions of tonnes (Mt) of mineable iron oxide and copper sulfide ore. While there is an agreement that mineralization at Mantoverde was ...
    • Halogens, trace element concentrations, and Sr-Nd isotopes in apatite from iron oxide-apatite (IOA) deposits ... 
      Palma, Gisella; Barra, Fernando; Reich Morales, Martín; Valencia, Victor; Simon, Adam C.; Vervoort, Jeff; Leisen, Mathieu; Romero, Rurik (Elsevier Ltd, 2019)
      © 2018 Elsevier LtdThe 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 widely used as a monitor ...
    • In-situ iron isotope analyses reveal igneous and magmatic-hydrothermal growth of magnetite at the Los ... 
      Knipping, Jaayke L.; Fiege, Adrián; Simon, Adam C.; Oeser, Martín; Reich Morales, Martín; Bilenker, Laura D. (De Gruyter, 2019)
      Iron-oxide apatite (IOA) deposits are mined for iron (Fe) and can also contain economically exploitable amounts of Cu, P, U, Ag, Co, and rare earth elements (REE). Recently, it has been proposed based on trace element ...
    • Nanogeochemistry of hydrothermal magnetite 
      Deditius, Artur P.; Reich Morales, Martín; Simon, Adam C.; Suvorova, Alexandra; Knipping, Jaayke; Roberts, Malcolm P.; Rubanov, Sergey; Dodd, Aaron; Saunders, Martin (Springer, 2018-06)
      Magnetite from hydrothermal ore deposits can contain up to tens of thousands of parts per million (ppm) of elements such as Ti, Si, V, Al, Ca, Mg, Na, which tend to either structurally incorporate into growth and sector ...
    • New contributions to the understanding of Kiruna-type iron oxide-apatite deposits revealed by magnetite ore ... 
      Rojas, Paula A.; Barra Pantoja, Luis Fernando; Deditius, Artur; Reich Morales, Martín; Simon, Adam; Roberts, Malcolm; Rojo, Mario (Elsevier, 2018)
      Iron oxide-apatite (IOA) or Kiruna-type deposits are an important source of iron and other elements including REE, U, Ag, and Co. The genesis of these deposits remains controversial, with models that range from a purely ...
    • The geochemistry of apatite from the Los Colorados iron oxide–apatite deposit, Chile: implications for ore genesis 
      La Cruz, Nikita L.; Simon, Adam C.; Wolf, Aaron S.; Reich Morales, Martín; Barra, Fernando; Gagnon, Joel E. (Springer Verlag, 2019)
      Apatite grains from the Los Colorados iron oxide–apatite (IOA) deposit, the largest IOA deposit in the Chilean Iron Belt (CIB), exhibit significant intracrystalline spatial variability with respect to the concentrations ...
    • The geochemistry of magnetite and apatite from the El Laco iron oxide-apatite deposit, Chile: Implications ... 
      La Cruz, Nikita L.; Ovalle, J. Tomás; Simon, Adam C.; Konecke, Brian A.; Barra Pantoja, Fernando; Reich Morales, Martín; Leisen, Mathieu; Childress, Tristan M. (Society of Economic Geologists, USA, 2020)
      The textures of outcrop and near-surface exposures of the massive magnetite orebodies (>90 vol % magnetite) at the Plio-Pleistocene El Laco iron oxide-apatite (IOA) deposit in northern Chile are similar to basaltic lava ...
    • Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxide−apatite deposit, northern Chile 
      Salazar, Eduardo; Barra, Fernando; Reich Morales, Martín; Simon, Adam; Leisen, Mathieu; Palma, Gisella; Romero, Rurik; Rojo, Mario (Springer, 2020)
      Kiruna-type iron oxide-apatite (IOA) deposits constitute an important source of iron and phosphorus, and potentially of rare earth elements (REE). However, the origin of IOA deposits is still a matter of debate with models ...
    • Trace element signature of pyrite from the los colorados iron oxide-apatite (ioa) deposit, chile: a missing ... 
      Reich Morales, Martín; Simon, Adam C.; Deditius, Artur P.; Barra, Fernando; Chryssoulis, Stephen; Lagas, Gonzalo; Tardani, Daniele; Knipping, Jaayke L.; Bilenker, Laura; Sánchez Alfaro, Pablo (Soc Economic Geologists, 2016)
      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 remain obscure and controversial. A key ...
    • Triple oxygen (delta O-18, Delta O-17), hydrogen (delta H-2), and iron (delta Fe-56) stable isotope signatures ... 
      Childress, Tristán; Simon, Adam C.; Reich Morales, Martín; Barra Pantoja, Fernando; Bilenker, Laura D.; La Cruz, Nikita L.; Bindeman, Ilya N.; Ovalle Ortega, José (Society of Economic Geologists, USA, 2020)
      The Plio-Pleistocene El Laco iron oxide-apatite (IOA) orebodies in northern Chile are some of the most enigmatic mineral deposits on Earth, interpreted to have formed as lava flows or by hydrothermal replacement, two ...
    • Unraveling the Effects of Melt-Mantle Interactions on the Gold Fertility of Magmas 
      Tassara, Santiago; Reich Morales, Martín; Konecke, Brian A.; González Jiménez, José María; Simon, Adam C.; Morata Céspedes, Diego; Barra Pantoja, Fernando; Fiege, Adrián; Schilling, Manuel E.; Corgne, Alexandre (Frontiers Media, 2020)
      The oxidation state of the Earth's mantle and its partial melting products exert a key control on the behavior and distribution of sulfur and chalcophile and siderophile elements between the mantle and crust, underpinning ...