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07 Mar 2023
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Magmatism and Characteristics of Supergene and Hypogene Alteration-Mineralization of the Lone Star Porphyry Copper Deposit, Safford District, Arizona
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17 Jan 2023
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Arizona Geological Society Social Mixer
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06 Dec 2022
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Perspectives on a Carbon Storage Ecosystem Built from Distributed CO2 Sequestration Resources in Arizona
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01 Nov 2022
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Content Learning Outcomes from Geological Virtual Field Trips can Exceed those from In-person Field Trips
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04 Oct 2022
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Machine Learning, Robotic Mapping, and Particle Dynamics for Earthquake Geology
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06 Sep 2022
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Bell Copper's Big Sandy Copper Porphyry Discovery by Tim Marsh, Ph.D.
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07 Jun 2022
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An Overview of Mineralogy of Arizona 4th Edition by Dr. Ray Grant
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03 May 2022
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Helium Exploration and Exploitation in the Holbrook Basin, Arizona
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16 Apr 2022
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Spring Field Trip - Mountains, Mines and Structural Settings of the North and Central Altar Valley, Coyote Mountains to Sierrita Mountains, Pima County, Arizona
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08 Mar 2022
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Post-caldera Explosive Eruptions at the Valles Caldera (and Vulcano Island)
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08 Mar 2022
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Tour of University of Arizona's Alfie Norville Gem and Mineral Museum
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02 Nov 2021
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Arizona Geological Society Presents: Chris Osterman, PhD 417 Project, Globe, Gila County, Arizona A Native Silver Discovery
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17 Sep 2020
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AGS Zoom Social Hour
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27 Aug 2020
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Mark F. Coolbaugh Presents: Renaissance Gold Inc. on Silicon
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04 Jun 2020
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Darren Smith Presents: Mineralogy, Market, and Ashram, a Rare Earth Carbonatite Deposit
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05 May 2020
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Philip M. Persson presents: The Detroit City Portal A New Chapter in the Story of Sweet Home Mine, Colorado, Rhodochrosite Mining
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12 Mar 2020
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AGS March Gathering
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04 Feb 2020
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SME & AGS Joint Dinner Meeting - Hexagon Integrated Portfolios
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14 Jan 2020
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Vit Kuhnel Presents Fluid Mechanics Versus Fracture Flow
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03 Dec 2019
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Legacy of Cenozoic Volcanism in the Pacific Northwest: Emphasis on the High Lava Plains of Oregon
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05 Nov 2019
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Vanadium Deposits in Arizona
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08 Oct 2019
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AGS Meet and Greet, A Networking Event
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10 Sep 2019
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Kent J. McGrew presents In-Situ Recovery Basics
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06 Aug 2019
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Gregory J. Leonard presents The Planetary Perils and Economic Promise of Near-Earth Asteroids
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08 Jun 2019
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Spring Field Trip - Petrologic and Structural Evidence for Flat Subduction Tectonics in Santa Catalina Mountains and Vicinity
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04 Jun 2019
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AGS Meet and Greet, A Networking Event
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07 May 2019
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Bootprints in Bear Country: Discovery History and Geology of the Malmyzh Cu-Au porphyry cluster, Khabarovsk krai, Russia by Mac Canby - Senior President Exploration for Freeport-McMoRan
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02 Apr 2019
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Florence Copper: Copper Recovery Using In-situ Technology By Dan Johnson BSc, MSc, PE – Vice-President | General Manager, Florence Copper Inc.
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05 Mar 2019
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Sarah Elizabeth Baxter presents "Treasures of Arizona's Sky Islands: Geology and Mineral Resources of Coronado National Forest
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05 Feb 2019
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Jeffrey E. Post presents The Hope Diamond and Smithsonian National Gem Collection
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08 Jan 2019
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John Dilles presents - Using the Zonation of Trace Metal Geochemistry and Hydrothermal Mineralogy for Porphyry Copper Mineral Exploration
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04 Dec 2018
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David (Duff) Gold presents - Deep-Seated Volcanism and the Genesis of Diamonds
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06 Nov 2018
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William Wilkinson Presents - The Good, The Bad and The Ugly: Three Decades of Exploration
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02 Oct 2018
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Ihor Kunasz Presents - The Geology and Economics of Lithium
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04 Sep 2018
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Jim Reed Presents - Applying Geological Exploration Methods Towards the Location of Clandestine Gravesites
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07 Aug 2018
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Rhodochrosite: Red Treasure of the Rockies - The Story of the Sweet Home Mine
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03 Jul 2018
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Alison Jones Presents - Rafting through 2 Billion Years of Geologic Time
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05 Jun 2018
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Gary Huckleberry Presents - The Geoarcheology of Ancient Water Control in the Southwest: Lessons from the Past
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01 May 2018
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William B. White presents The Science of Caves and Cave Contributions to Science
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21 Apr 2018
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Spring Field Trip - Jerome - An Early Proterozoic Volcanogenic Massive Sulfide Deposit
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03 Apr 2018
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Volker Spieth and Stanley Keith Present - Finding Gold in the Kupferschiefer
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29 Mar 2018
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Future Home of the University of Arizona Gem and Mineral Museum
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06 Mar 2018
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Joe Wilkins, Jr. Presents - Piedras Verdes and Cuatro Hermanos, Sonora, Mexico - A Tale of Two Porphyries
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06 Feb 2018
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Paul F. Hlava presents Causes of Color in Minerals and Gemstones
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02 Jan 2018
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Peter L. Ward presents Bringing Peace to the Climate Wars
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05 Dec 2017
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Joellen Russell presents The Ocean's Role in the Climate of the Anthropocene
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07 Nov 2017
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Eric Sundquist presents Geological Perspectives on Carbon Dioxide, the Carbon Cycle and Carbon Management
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03 Oct 2017
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Lily Jackson presents Andean River Sediments as a Window into the Tectonic History of Ecuador
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05 Sep 2017
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Vic Baker presents The Influence of the 18th Century Enlightenment on the Natural Sciences
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22 Aug 2017
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AGS Meet and Greet, A Networking Event
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11 Jul 2017
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Andrew Zaffos presents Global Tectonics and Marine Animal Diversity
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06 Jun 2017
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Dan Johnson presents Introduction to the Florence Copper Project and In-Situ Copper Recovery
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02 May 2017
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Robert Glennon presents America's Water Crisis and What To Do About It
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22 Apr 2017
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Spring Field Trip - The Laramide-age Chilito Porphyry Copper Deposit
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04 Apr 2017
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David London presents The Nature and Origins of Internal Zonation within Granitic Pegmatites
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07 Mar 2017
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Derek J. Thorkelson presents The Precambrian Tectonic Connection between Yukon and Arizona
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07 Feb 2017
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Daniel Hummer presents Mineral ecology and evolution: Using large datasets to tell the story of the co-evolution of Earth and life
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03 Jan 2017
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David A. Sawyer presents Dating Geologic Time in the Cretaceous: Integrating Biostratigraphy, Isotope Geochronology, and Astrochronology in Sedimentary Deposits of the Cretaceous Western Interior Seaway
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06 Dec 2016
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John W. Ewert presents USGS Responses to Some Volcanic Crises and Eruptions Around the World
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01 Nov 2016
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Alexander Schauss presents Minerals, Trace Elements and Human Health
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22 Oct 2016
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Fall Field Trip - The Peach Spring Tuff and the Silver Creek Caldera, Northwestern Arizona
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04 Oct 2016
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Hamish Martin Presents Geology of the Resolution Cu-Mo Deposit, Superior Arizona
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06 Sep 2016
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Keith R. Long Presents No Bonanza from Cheap Oil
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02 Aug 2016
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Lee Allison Presents The Future of State Geological Surveys: the Arizona Case Study
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05 Jul 2016
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Don Applebee Presents Genesis of the Chilito Porphyry Copper Deposit
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07 Jun 2016
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Robert Hildebrand Presents Collisions, Slab Failure Magmatism and the Development of Cordilleran Batholiths
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03 May 2016
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Peter Modreski will present "Pegmatites: Mineralogy, Gemstones, Economic Geology, and maybe not quite the same Giant-Crystal Rocks you always thought they were"
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30 Apr 2016
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Spring Field Trip - An Introduction to the Pinal Schist in Southeastern Arizona
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05 Apr 2016
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Jordon Bright Presents Looking for an Ocean in the Desert, the Enigmatic Bouse Formation
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01 Mar 2016
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Peter R. Johnson Presents Tectonics and Mineral Deposits of the Arabian-Nubian Shield
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02 Feb 2016
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Dr. Karen Wenrich Presents The Ga-Ge Rich Apex Mine, Utah - A Tsumeb, Namibia Analogue
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05 Jan 2016
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Sarah Baxter Presents Calc-silicate Alteration and Ore Characterization, ASARCO Mission Complex, Pima County, Arizona
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01 Dec 2015
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Peter Smith Presents The Latest News from Mars
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14 Nov 2015
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Fall Field Trip - Northern Plomosa Mountains and Bouse Formation in Blythe Basin
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03 Nov 2015
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Karen Kelley presents The Giant Concealed Pebble Cu-Au-Mo Porphyry Deposit, Southwest Alaska
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06 Oct 2015
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Caleb King presents Eocene Hydrothermal Systems and Contrasting Hydrothermal Alteration in the Battle Mountain District, Nevada
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01 Sep 2015
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Carl Bowser presents The Genesis of the Kramer Borax Deposit, Rogers Lake, Mojave Desert, CA:
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04 Aug 2015
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Dan Lynch presents Volcanoes in the Back Yard
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07 Jul 2015
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Erik Melchiorre presents The Complex Geological History Recorded by Arizona Placer Deposits:
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02 Jun 2015
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Jan C. Rasmussen Presents - Arizona Mineralization through Geologic Time
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05 May 2015
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Gordon Haxel Presents - Alpine peridotite in the desert - Arizona's Laramide subduction complex
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02 May 2015
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Spring Field Trip - Oak Creek - Mormon Lake Graben
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18 Apr 2015
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Third Annual Arizona Geological Society Doug Shakel Student Poster Event
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03 Mar 2015
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Apollo 17 Astronaut and Former Senator Harrison H. Schmitt presents A Geological Visit to a Valley on the Moon
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03 Feb 2015
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Don Yurewicz Presents Assessing Unconventional (Continuous) Hydrocarbon Resource Plays
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06 Jan 2015
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Arend Meijer presents: Sulfide-rich Proterozoic Mafic Rocks and Arizona Porphyry Copper Deposits - A Connection?
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02 Dec 2014
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Victor R. Baker: Megafloods on Earth, Mars, and Beyond
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15 Nov 2014
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Fall Field Trip - Debris Flows Shape the Sabino Canyon Landscape - look out below!
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04 Nov 2014
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Isabel F. Barton: Historical Development & Current State of Geological Research in the Central African Copperbelt
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07 Oct 2014
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Apollo 17 Astronaut and Former Senator Harrison H. Schmitt presents A Geological Visit to a Valley on the Moon
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02 Sep 2014
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Lewis Land presents Evaluation of Groundwater Residence Time in a Karstic Aquifer System
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05 Aug 2014
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Jamie Molaro presents Thermal Stress Weathering in the Inner Solar System
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01 Jul 2014
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Jim Leenhouts presents Surface-water/groundwater Interactions in Arizona
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03 Jun 2014
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Arend Meijer presents Pinal Schist of So. Arizona--A Paleoproterozoic Fore-Arc Complex
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06 May 2014
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John C. Lacy presents The Genesis of Mining Law
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26 Apr 2014
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Spring Field Trip - Geology of the Christmas Porphyry Copper Deposit
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24 Apr 2014
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Second Annual Arizona Geological Society Doug Shakel Student Poster Event
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01 Apr 2014
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Eric Seedorff presents, Structural Dismemberment of a Porphyry Molybdenum System, Spruce Mountain District, Northeastern Nevada
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04 Mar 2014
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John Dreier presents, Copper Deposits of the Coast Ranges of Chile; A trip through time, space, and ore deposit nomenclature
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04 Feb 2014
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Ralph Stegen presents The Morenci Porphyry Cu-Mo Deposit, Greenlee County, Arizona: A Geologic Summary with Emphasis on Hypogene and Supergene Mineralization
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07 Jan 2014
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Steve Castor presents, Mountain Pass and other North American Rare Earth Element Deposits
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03 Dec 2013
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Stephen Jackson, USGS, Looking forward from the past: Ecological impacts of climate change through the lens of history
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05 Nov 2013
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Malcolm Siegel, PhD, MPH, LJS Consulting, Inc and School of Medicine, University of New Mexico, Albuquerque, NM. 87047: Uranium Mining in the American Southwest: Can Medical Geologists Ask the Right Questions?
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04 Oct 2013
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Field Trip - H. Wilson Sundt Generating Station
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01 Oct 2013
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Mark Logsdon, Principal Geochemist, Geochimica, Inc.: What Does “Perpetual” Management and Treatment Mean? Toward a Framework for Determining an Appropriate Period-of-Performance for Management of Reactive, Sulfide-Bearing Mine Wastes
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01 Oct 2013
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Mark J. Logsdon, Geochimica, Inc., Does acid-rock drainage lead to waste-rock instability? Geological, hydrological, and geochemical framework for the Questa Mine
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03 Sep 2013
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Pete Reiners, UA, Geosciences Dept., Geochronology of secondary Fe & Mn oxides in bedrock
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30 Aug 2013
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Field Trip - University of Arizona Tree-Ring Research Laboratory
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06 Aug 2013
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Bill Stavast, Freeport-McMoRan Copper & Gold, The Safford Mine: What we have learned since production began
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02 Jul 2013
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Lukas Zurcher, USGS, presents: "Tectono-magmatic evolution of the Central Tethys Region"
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04 Jun 2013
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Steve Van Nort presents, "Gold Fever! The BRE-X/Busang Story
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07 May 2013
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Federal lands and mineral resources: Colorado Plateau uranium deposits and the Sonoran Desert Heritage
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18 Apr 2013
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First Annual Arizona Geological Society Doug Shakel Student Poster Event
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