GSA Connects 2021 in Portland, Oregon

Session No. 169
Tuesday, 12 October 2021: 1:30 PM-5:30 PM
A107–A109 (Oregon Convention Center)

T33. Magnetite Apatite (MtAp) Deposits in Space and Time

Mineralogical Society of America; Society of Economic Geologists

 

John Hanchar, Jeffrey Chiarenzelli, Marian Lupulescu and Fernando Tornos, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
THE ENVIRONMENT OF ORE FORMATION IN LATE PHANEROZOIC IRON-OXIDE-RICH MINERAL DEPOSITS OF THE WESTERN USA, AND EVIDENCE FOR A NON-MAGMATIC HYDROTHERMAL ORIGIN (Invited Presentation)
DILLES, John, College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503 and BARTON, Mark D., Department of Geosciences and Lowell Institute for Mineral Resources, University of Arizona, 1040 East Fourth Street, Tucson, AZ 85721-0077
1:55 PM
CHEMISTRY OF MINERALS IN IOA DEPOSITS IN SE MISSOURI, USA: RELATION TO MAFIC AND INTERMEDIATE INTRUSIONS (Invited Presentation)
MEIGHAN, Corey1, HOFSTRA, Albert H.2, MARSH, Erin3, LOWERS, Heather3 and KOENIG, Alan E.4, (1)U.S. Geological Survey, One Denver Federal Center MS, 973 E 11th Ave Bldg 810, Denver, CO 80218-2803, (2)Denver Inclusion Analysis Laboratory, U.S. Geological Survey, Denver, CO 80225, (3)U.S. Geological Survey, Box 25046, M.S. 973, Denver Federal Center, Denver, CO 80225, (4)Applied Spectra, Inc., 950 Riverside Parkway, Suite 90, West Sacramento, CA 95605
2:15 PM
CARBONATE-SULFATE MELTS AND THEIR ROLE IN MAGNETITE-APATITE FORMATION WORLDWIDE (Invited Presentation)
STEELE-MACINNIS, Matthew1, BAIN, Wyatt2, TORNOS, Fernando3, HANCHAR, John4, PIETRUSZKA, Dorota4 and LEHMANN, Bernd5, (1)Dept of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, (2)Department of Geology, Lakehead University, 955 Oliver Rd, CB 4064, Thunder Bay, ON P7B 5E1, Canada, (3)Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain, (4)Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, (5)Technical University of Clausthal, Adolph-Roemer-Str. 2a, Clausthal, 38678, Germany
2:35 PM
A TRIPLE OXYGEN ISOTOPE SEARCH FOR EVAPORITE-DERIVED OXYGEN IN MAGNETITE APATITE DEPOSITS
PETERS, Stefan1, FENG, Dingsu2, TROLL, Valentin3, PACK, Andreas2, ANDERSSON, Ulf4, TORNOS, Fernando5, LEHMANN, Bernd6 and DI ROCCO, Tommaso2, (1)Isotope Geology, Georg-August-Universität Göttingen, Goldschmidstraße 1, Göttingen, 37077, Germany; University of Iceland, Sturlagata 8, Reykjavik, 101, Iceland, (2)Isotope Geology, Georg-August-Universität Göttingen, Goldschmidstraße 1, Göttingen, 37077, Germany, (3)University of Uppsala, Department of Earth Sciences, Natural Resources & Sustainable Development, Villavägen 16, Uppsala, 75236, Sweden, (4)Luossavaara-Kiirunavaara AB, Research & Development, FK9, 981 86, Kiruna, Sweden, (5)Centro de Astrobiología, CSIC-INTA, 28850 Torrejon de Ardoz, Madrid, 28850, Spain, (6)Technical University of Clausthal, Adolph-Roemer-Str. 2a, Clausthal, 38678, Germany
2:50 PM
TEXTURAL AND GEOCHEMICAL EVIDENCE FOR SECONDARY TH AND REE MOBILIZATION VIA CARBONATE-SULFATE FLUIDS IN THE BUENA VISTA MAGNETITE-APATITE SYSTEM (NEVADA)
BAIN, Wyatt, Department of Geology, Lakehead University, 955 Oliver Rd, CB 4064, Thunder Bay, ON P7B 5E1, Canada, STEELE-MACINNIS, Matthew, Dept of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada and BUSSWEILER, Yannick, TOFWERK, Thun, Switzerland
 
3:05 PM
Break
3:20 PM
FORMATION OF MAGNETITE-(APATITE) SYSTEMS BY CRYSTALLIZATION OF ULTRAMAFIC IRON-RICH MELTS
TORNOS, Fernando, Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain; Dept of Earth Sciences, Memorial University of Newfoundland, 300 Prince Phillip Drive, St. Johns, NF A1B 3X5, Canada and HANCHAR, John, Dept of Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B 3X5, Canada
3:35 PM
COMPLEX MAGMA IMMISCIBILITY IN THE FORMATION OF A MAGNETITE-APATITE SYSTEM, EL LACO, CHILE
PIETRUSZKA, Dorota1, HANCHAR, John1, TORNOS, Fernando2, WIRTH, Richard3, GRAHAM, Nathan A.4, SEVERIN, Kenneth P.4, VELASCO, Francisco5, STEELE-MACINNIS, Matthew6 and BAIN, Wyatt7, (1)Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, (2)Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain, (3)GFZ, German Research Centre for Geosciences, Potsdam, 14473, Germany, (4)Department of Geosciences, University of Alaska Fairbanks, Fairbanks, AK 99775, (5)Departamento de Mineralogía y Petrología, Universidad del País Vasco UPV/EHU, Bilbao, 48080, Spain, (6)Dept of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, (7)Department of Geology, Lakehead University, 955 Oliver Rd, CB 4064, Thunder Bay, ON P7B 5E1, Canada
3:50 PM
THE MONTECRISTO IRON OXIDE-COPPER-GOLD (IOCG) DISTRICT IN NORTHERN CHILE: NEW EVIDENCE ABOUT THE GENETIC RELATIONSHIP BETWEEN IOCG AND MAGNETITE-(APATITE) DEPOSITS
MATEO, Laura1, HANCHAR, John1, TORNOS, Fernando2, STEIN, H.J.3, DELGADO, Antonio4 and VILLA, Igor M.5, (1)Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, (2)Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain; Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, (3)AIRIE Program, Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482 USA, and CEED Centre of Excellence, University of Oslo, 0316 Oslo, P.O. Box 104, Norway, (4)Laboratorio de Biogeoquímica de Isotopos Estables, Instituto Andaluz de Ciencias de la Tierra IACT (CSIC-UGR), Granada, Spain, (5)Institut für Geologie, Universität Bern, Bern, Switzerland; Centro Universitario Datazioni e Archeometria, Università di Milano Bicocca, Milan, Italy
4:05 PM
ARE MAGNETITE-(APATITE) SYSTEMS RELATED TO CONVENTIONAL SILICATE-RICH INTERMEDIATE MELTS?
TORNOS, Fernando, Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain; Dept of Earth Sciences, Memorial University of Newfoundland, 300 Prince Phillip Drive, St. Johns, NF A1B 3X5, Canada, HANCHAR, John, Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, STEELE-MACINNIS, Matthew, Dept of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada and BAIN, Wyatt, Department of Geology, Lakehead University, 955 Oliver Rd, CB 4064, Thunder Bay, ON P7B 5E1, Canada
4:20 PM
REDOX CONTROL ON THE TI-IN MAGNETITE CONTENT: CONSTRAINTS FOR THE ORIGIN OF MAGNETITE APATITE (MTAP) DEPOSITS
HANCHAR, John, Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada and TORNOS, Fernando, Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain
4:35 PM
CHARACTERIZATION AND LIBERATION ANALYSIS OF RARE EARTH ELEMENTS INCLUSIONS WITHIN THE APATITE-RICH TAILING FROM THE PEA RIDGE IRON MINE
CORCHADO-ALBELO, José and ALAGHA, Lana, Mining Engineering, Missouri University of Science & Technology, 1400 North Bishop, 226 McNutt Hall, Rolla, MO 65409
4:50 PM
TECTONIC SETTING OF THE C. 1060-1030 MA OTTAWAN-AGED LYON MT. GRANITE, HOST TO THE IRON OXIDE-APATITE DEPOSITS IN THE ADIRONDACKS OF NORTHERN NEW YORK STATE
BAIRD, Graham, Earth & Atmospheric Sciences, University of Northern Colorado, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, GROVER, Timothy, Earth & Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 627 N Pleasant St, Amherst, MA 01003-9354 and REGAN, Sean, Geophysical Institute, University of Alaska Fairbanks, 900 Yukon Dr, Fairbanks, AK 99775-9702
 
5:05 PM
Discussion
 
5:15 PM
Concluding Remarks
See more of: Technical Sessions