Journal Articles
Mejías, Olivia, Parbhakar-Fox, Anita, Jackson, Laura, Valenta, Rick and Townley, Brian (2023). Indium in ore deposits and mine waste environments: Geochemistry, mineralogy, and opportunities for recovery. Journal of Geochemical Exploration, 255 107312, 1-26. doi: 10.1016/j.gexplo.2023.107312
Villa Gomez, Denys, Sáez Salgado, Enrique, Mejías, Olivia, Pat-Espadas, Aurora Margarita, Pinedo Torres, Laura Alejandra , Jackson, Laura and Parbhakar-Fox, Anita (2022). Data Integration of Critical Elements from Mine Waste in Mexico, Chile and Australia. Minerals, 12 (2) 122, 122. doi: 10.3390/min12020122
Conference Papers
Mejías, Olivia, Jackson, Laura and Parbhakar-Fox, Anita (2024). Indium in mine wastes: geochemistry, mineralogy, and microbiology. SEG 2024 Conference: Sustainable Mineral Exploration and Development, Windhoek, Namibia, 27-30 September 2024.
Mejías, Olivia, Parbhakar-Fox, Anita and Jackson, Laura (2024). Indium cycling and mobility in mine waste and acid mine drainage environments. Australian Mine Waste Symposium (AMWS), Brisbane, QLD Australia, 6-7 February 2024.
Freeman, Justin and Mejías, Olivia (2024). MapsMin analysis of fine-grained indium-rich minerals in Baal Gammon waste rock. 16th Australian Microbeam Analysis Society Symposium (AMAS), Brisbane, QLD Australia, 5-9 February 2024.
Mejías, Olivia, Quevedo, Javier and Townley, Brian (2023). A review of the mineral chemistry of pyrite and magnetite: a potential source for critical elements by-products in Chile. XVI Chilean Geological Congress, Santiago, Chile, 26 November-1 December 2023.
Parbhakar-Fox, Anita, Jackson, Laura, Bhowany, Kamini, Guerin, Kristy, Han, Zhengdong, Blannin, Rosie, Moyo, Annah, Nicholls, Loren and Mejias, Olivia (2023). Exploration for critical metals in Australia’s mine waste to support the energy transition. Goldschmidt2023, Lyon, France, 9-14 July 2023. Paris, France: European Association of Geochemistry. doi: 10.7185/gold2023.18999
Mejías, Olivia, Parbhakar-Fox, Anita and Jackson, Laura (2023). Indium in Australia: exploration in NE Queensland’s mine waste. 26th World Mining Conference (WMC), Brisbane, QLD Australia, 26-29 June 2023.
Mejías, Olivia, Valenzuela, Martin, Parbhakar-Fox, Anita and Jackson, Laura (2023). Indium-bearing minerals and textures of drill core samples from Baal Gammon mine: an application of Laser-Induced Breakdown Spectroscopy. CRITCON: Discovery, Characterisation and Processing of Critical Minerals, Adelaide, SA Australia, 22-26 May 2023.
Mejías, Olivia, Jackson, Laura, Parbhakar-Fox, Anita, Salazar, Leonardo and Jaime, Patricio (2023). Tracking indium in sulfidic mine waste and acid mine drainage environments. CRITCON: Discovery, Characterisation and Processing of Critical Minerals, Adelaide, SA Australia, 22-26 May 2023.
Mejias, Olivia, Jackson, Laura and Parbhakar-Fox, Anita (2023). Exploration of indium in sulfidic mine waste and acid mine drainage environments. 17th Biennial Meeting of the Society-for-Geology-Applied-to-Mineral Deposits (SGA) on Mineral Resources in a Changing World, Zurich, Switzerland, 28 August - 1 September 2023. Geneva, Switzerland: The Society for Geology Applied to Mineral Deposits (SGA).
Mejías, Olivia (2022). Indium-bearing minerals and textures of drill core samples from Baal Gammon mine: an application of laser induced breakdown spectroscopy. Digging Deeper Workshop, Brisbane, QLD Australia, 7-8 December 2022.
Mejías, Olivia, Valenzuela, Martin, Parbhakar-Fox, Anita, Townley, Brian, Jackson, Laura and Fox, Nathan (2022). Workflows for evaluating critical metals using handheld LIBS. XII World Conference On Laser Induced Breakdown Spectroscopy, Italy, 5-9 September 2022.
Mejías, Olivia, Valenzuela, Martin, Parbhakar-Fox, Anita, Townley, Brian, Jackson, Laura and Fox, Nathan (2022). Handheld LIBS analysis and workflows for assessing critical metals in mine waste – a focus on In and Co. 7th International Symposium on Sustainable Minerals (Sustainable Minerals '22), Virtual, 11-13 July 2022.
Mejías, Olivia, Valenzuela, Martín, Townley, Brian, Fox, Nathan, Jackson, Laura and Parbhakar-Fox, Anita (2022). Laser-induced breakdown spectroscopy (LIBS) analysis applied to indium-bearing minerals and textures at the Baal Gammon polymetallic deposit, Australia.. 16th SGA Biennial Meeting 2022, Virtual, 28-31 March 2022. Rotorua, New Zealand: Society for Geology Applied to Mineral Deposits.
Saez Salgado, Enrique, Villa Gomez, Denys, Mejías, Olivia, Parbhakar-Fox, Anita, Pinedo-Torres, Laura A., Jackson, Laura and Pat-Espadas, Aurora M. (2022). Critical metals concentration from mine wastes in Mexico, Chile and Australia: A data integration approach. 16th SGA Biennial Meeting 2022, Rotorua, New Zealand, 28-31 March 2022.
Mejías, Olivia, Valenzuela, Martín, Townley, Brian, Jackson, Laura and Parbhakar-Fox, Anita (2022). Indium and cobalt assessment by laser-induced breakdown spectroscopy (LIBS): a polymetallic deposit case study. Next Generation Resources 2022, Capetown, South Africa (Online), 22-23 February 2022.
Quevedo, Javier, Ojeda, Jose, Mejías, Olivia, Vera, Solange, Saavedra-Mella, Felipe and Gonzalez, Jose (2021). Circular economy: IOCG ore treatment to supply raw materials electromobility, construction materials, and fertilizers. International Conference on Mineral Processing and Geometallurgy, Online, 20-22 October 2021. Santiago, Chile: Gecamin.
Mejías, Olivia, Quevedo, Javier, Parbhakar-Fox, Anita, Townley, Brian and Danyushevsky, Leonid (2020). Geochemical Assessment of Critical Metals: A Geometallurgical Guideline for the Evaluation of By-Products of an IOCG Type Deposit, Chile. 7th International Conference on Geometallurgy, Chile, 23-27 November 2020.
Toledo, Valentina, Mejías, Olivia and Jerez, Oscar (2020). Geometallurgical characterization to boost short-term planning of the conventional process line at El Teniente Division, Codelco. 16th International Mineral Processing Conference and 7th International Seminar on Geometallurgy (Procemin-GEOMET), Chile, 23-27 November 2020.
Mendez, Erika, Mejías, Olivia, Contreras, Ursula, Toledo, Valentina and Pavez, Viviana (2019). Improvement of short-term planning in molybdenum recovery at El Teniente.. 16th International Mineral Processing Conference and 7th International Seminar on Geometallurgy (Procemin-GEOMET), Chile, 20-22 November 2019.
Contreras, Ursula, Mejías, Olivia and Jimenez, Miguel (2018). Short-term geometallurgy at Teniente Mine Division, a Great Challenge, CODELCO El Teniente Division. 14th International Mineral Processing Conference and 5th International Seminar on Geometallurgy, Chile, 28-30 November 2018.
Toledo, Valentina, Mejías, Olivia and Jerez, Oscar (2018). Zonificación geometalúrgica de los sectores productivos que alimentan a Línea Convencional de División El Teniente, para identificar potenciales de recuperación
Cu-Mo, ley de concentrado Cu y su aplicación en planificación corto plazo.. XV Chilean Geological Conference, Chile, 18-23 November 2018.
Diez, Eduardo, Mejías, Olivia and Salazar, Manuel (2015). Características y efectos geo-minero-metalúrgicos del material de sobrecarga del sector productivo Reservas Norte. División El Teniente, Codelco-Chile.. XIV Chilean Geological Conference, Chile, 5-7 October 2015.
Mejías, Olivia, Salazar, Manuel and Diez, Eduardo (2014). Geological characterization of drawpoints in the El Teniente mine: an improvement tool for short-term mine-plant planning, CODELCO El Teniente Division.. 2nd International Seminar on Geometallurgy (GEOMET), Chile, 1-3 December 2014.
Hermosilla, Juan, Castagno, Rodrigo and Mejías, Olivia (2013). Ore mineralization controls in rosario porphyric Cu-Mo System: collahuasi District. 3rd International Seminar on Geology for the Mining Industry (GEOMIN), Chile, 24-26 July 2013.
Research Reports
Forbes, Liza, Evans, Tom, Nell, Kristy, Parbhakar-Fox, Anita, Blannin, Rosie, Arslan, Unzile Yenial, Mejias, Olivia, Anasah, Eric O. and Valenta, Rick (2024). Mt Isa Critical Minerals and Rare Earth Elements Research Centre. Brisbane, QLD Australia: Sustainable Minerals Institute.
Mejías, Olivia, Jackson, Laura and Parbhakar-Fox, Anita (2023). Cobalt and other critical metals in tailings of major mineral deposits in north Queensland: Mt Morgan waste rock study. St Lucia, QLD Australia: University of Queensland.
Theses
Mejías, Olivia (2019). Geometalurgia del material quebrado de mina El Teniente: características mineralógicas, texturales y microbiológicas que inciden negativamente en la recuperación de cobre. Master's Thesis, Instituto de Geología Económica Aplicada (GEA), Universidad de Concepción.
Mejías, Olivia (2013). Caracterización de los eventos de mineralización de molibdenita y su relación con los controles litológicos, alteración y asociaciones de sulfuros en el depósito Rosario, Collahuasi, Chile. B.Sc Thesis, Departamento de Geología, Universidad de Concepción.