Arizona Geological Society

Events

Upcoming events

    • 05 Mar 2024
    • 5:30 PM - 8:00 PM
    • Hexagon Office at 40 East Congress Street, Suite 150, Tucson, Arizona 85701
    Register


    Arizona Geological Society

    2024 Speaker Series

    Tuesday, 5 March 2024 | 5:30 - 8:00 PM

    Location:  Hexagon Mining Division Office

    40 East Congress Street, Suite 150, Tucson, Arizona 85701


    Parking: On the street or parking garage (Old Pueblo Parking)

    Social Hour with Pizza by Brooklyn Pizza (5:30-6:30 PM), Presentation (6:35 PM)

    For those planning to attend the event, please register by 6:00 PM on Sunday, 3 March, 2024

    For those unable to attend, here is a

    MS Teams URL for Remote Viewing

    (Click for Streaming URL)

    Meeting ID: 351 728 293 860
    Passcode: kzmgXi

    Download Teams | Join on the web


    The Arizona Geological Society also thanks Hexagon

    for generously providing the venue and drinks


    The Origin and Tectonic Significance of the Basin and Range - Rio Grande Rift Boundary in Southern New Mexico

    Jason Ricketts, Ph.D.

    Asst. Professor, University of Texas, El Paso

    Abstract:  Cenozoic extension in the western United States occurred within two iconic domains: the Basin and Range and Rio Grande rift. These provinces merge in southern New Mexico to form an interconnected zone of extension, although the existence, location, and nature of the boundary between the two provinces are uncertain. In southern New Mexico, existing thermochronologic, geologic, and geophysical data sets, combined with thermal modeling of zircon (U-Th)/He (ZHe) data, define a subvertical, 30–40-km wide boundary that extends through the lithosphere to depths of at least 100 km. Thermal modeling indicates Proterozoic basement in the upper crust of the southeastern Basin and Range exceeded 225 °C during Oligocene magmatism, resetting ZHe dates and creating a thermal boundary that coincides with independent geologic and geophysical data sets. Although many aspects of this boundary are transient, others may become permanent features to define a lithospheric-scale boundary prone to reactivation during future tectonism. This assessment of the boundary supports models in which the southern Rio Grande rift is a separate structural entity from the adjacent Basin and Range, and this region provides an exceptional case study for understanding how extensional lithospheric scale boundaries evolve to become stable features of continents.


    Bio: My main research focuses on structural geology, tectonics, low-temperature thermochronology, and fluid-fault interactions. Much of my research centers on brittle tectonics in Earth's upper crust. I combine field methods and observations with various analytical techniques and modeling efforts to investigate various processes which control deformation. My expertise centers on the development of the Rio Grande rift of Colorado, New Mexico, western Texas, and northern Mexico, where I routinely conduct field work with students and colleagues. To learn more about my current research and publications, please visit my personal website: Jason Ricketts | geology (jwricketts8.wixsite.com)



    Hexagon Mining Division Office - 40 East Congress Street,

    Suite 150, Tucson, Arizona 85701

Past events

06 Feb 2024 New Discovery of Beach Sand, Beachrock, and Tuffa from the Uppermost Portion of the Bidahochi Formation and their Implications for the Development of Grand Canyon
09 Jan 2024 Cenozoic Tectonic Extension in the Sonoran Desert Region and Reconstruction of the Initial Distribution of Porphyry Copper Deposits
05 Dec 2023 From rocks to stalks: Interpreting the controls on biogeochemical signatures and the applications of trace metals
07 Nov 2023 Cenozoic Tectonic Extension in the Mojave-Sonora Desert Region
03 Oct 2023 Structural Modeling for Reducing Uncertainty in Geologic Interpretations
29 Sep 2023 Fall Field Trip - South 32 Hermosa Project, Santa Cruz County, Arizona
07 Sep 2023 Virginia McLemore presents Rare Earth Element (REE) Potential and Origin of the Cambrian-Ordovician Carbonatites and Episynites in soutbern New Mexico
24 Aug 2023 AZ Geological Society Social Mixer
15 Jun 2023 AZ Geological Society Social Mixer
02 May 2023 Lithospheric Controls on the Formation of Porphyry Copper Deposits: What could possibly go wrong?
04 Apr 2023 Temporal Evolution of the Rattlesnake Creek Terrane and Implication of Jurassic Construction of Crust in the Western United States
07 Mar 2023 Magmatism and Characteristics of Supergene and Hypogene Alteration-Mineralization of the Lone Star Porphyry Copper Deposit, Safford District, Arizona
17 Jan 2023 Arizona Geological Society Social Mixer
06 Dec 2022 Perspectives on a Carbon Storage Ecosystem Built from Distributed CO2 Sequestration Resources in Arizona
01 Nov 2022 Content Learning Outcomes from Geological Virtual Field Trips can Exceed those from In-person Field Trips
04 Oct 2022 Machine Learning, Robotic Mapping, and Particle Dynamics for Earthquake Geology
06 Sep 2022 Bell Copper's Big Sandy Copper Porphyry Discovery by Tim Marsh, Ph.D.
07 Jun 2022 An Overview of Mineralogy of Arizona 4th Edition by Dr. Ray Grant
03 May 2022 Helium Exploration and Exploitation in the Holbrook Basin, Arizona
16 Apr 2022 Spring Field Trip - Mountains, Mines and Structural Settings of the North and Central Altar Valley, Coyote Mountains to Sierrita Mountains, Pima County, Arizona
08 Mar 2022 Post-caldera Explosive Eruptions at the Valles Caldera (and Vulcano Island)
08 Mar 2022 Tour of University of Arizona's Alfie Norville Gem and Mineral Museum
02 Nov 2021 Arizona Geological Society Presents: Chris Osterman, PhD 417 Project, Globe, Gila County, Arizona A Native Silver Discovery
17 Sep 2020 AGS Zoom Social Hour
27 Aug 2020 Mark F. Coolbaugh Presents: Renaissance Gold Inc. on Silicon
04 Jun 2020 Darren Smith Presents: Mineralogy, Market, and Ashram, a Rare Earth Carbonatite Deposit
05 May 2020 Philip M. Persson presents: The Detroit City Portal A New Chapter in the Story of Sweet Home Mine, Colorado, Rhodochrosite Mining
12 Mar 2020 AGS March Gathering
04 Feb 2020 SME & AGS Joint Dinner Meeting - Hexagon Integrated Portfolios
14 Jan 2020 Vit Kuhnel Presents Fluid Mechanics Versus Fracture Flow
03 Dec 2019 Legacy of Cenozoic Volcanism in the Pacific Northwest: Emphasis on the High Lava Plains of Oregon
05 Nov 2019 Vanadium Deposits in Arizona
08 Oct 2019 AGS Meet and Greet, A Networking Event
10 Sep 2019 Kent J. McGrew presents In-Situ Recovery Basics
06 Aug 2019 Gregory J. Leonard presents The Planetary Perils and Economic Promise of Near-Earth Asteroids
08 Jun 2019 Spring Field Trip - Petrologic and Structural Evidence for Flat Subduction Tectonics in Santa Catalina Mountains and Vicinity
04 Jun 2019 AGS Meet and Greet, A Networking Event
07 May 2019 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
02 Apr 2019 Florence Copper: Copper Recovery Using In-situ Technology By Dan Johnson BSc, MSc, PE – Vice-President | General Manager, Florence Copper Inc.
05 Mar 2019 Sarah Elizabeth Baxter presents "Treasures of Arizona's Sky Islands: Geology and Mineral Resources of Coronado National Forest
05 Feb 2019 Jeffrey E. Post presents The Hope Diamond and Smithsonian National Gem Collection
08 Jan 2019 John Dilles presents - Using the Zonation of Trace Metal Geochemistry and Hydrothermal Mineralogy for Porphyry Copper Mineral Exploration
04 Dec 2018 David (Duff) Gold presents - Deep-Seated Volcanism and the Genesis of Diamonds
06 Nov 2018 William Wilkinson Presents - The Good, The Bad and The Ugly: Three Decades of Exploration
02 Oct 2018 Ihor Kunasz Presents - The Geology and Economics of Lithium
04 Sep 2018 Jim Reed Presents - Applying Geological Exploration Methods Towards the Location of Clandestine Gravesites
07 Aug 2018 Rhodochrosite: Red Treasure of the Rockies - The Story of the Sweet Home Mine
03 Jul 2018 Alison Jones Presents - Rafting through 2 Billion Years of Geologic Time
05 Jun 2018 Gary Huckleberry Presents - The Geoarcheology of Ancient Water Control in the Southwest: Lessons from the Past
01 May 2018 William B. White presents The Science of Caves and Cave Contributions to Science
21 Apr 2018 Spring Field Trip - Jerome - An Early Proterozoic Volcanogenic Massive Sulfide Deposit
03 Apr 2018 Volker Spieth and Stanley Keith Present - Finding Gold in the Kupferschiefer
29 Mar 2018 Future Home of the University of Arizona Gem and Mineral Museum
06 Mar 2018 Joe Wilkins, Jr. Presents - Piedras Verdes and Cuatro Hermanos, Sonora, Mexico - A Tale of Two Porphyries
06 Feb 2018 Paul F. Hlava presents Causes of Color in Minerals and Gemstones
02 Jan 2018 Peter L. Ward presents Bringing Peace to the Climate Wars
05 Dec 2017 Joellen Russell presents The Ocean's Role in the Climate of the Anthropocene
07 Nov 2017 Eric Sundquist presents Geological Perspectives on Carbon Dioxide, the Carbon Cycle and Carbon Management
03 Oct 2017 Lily Jackson presents Andean River Sediments as a Window into the Tectonic History of Ecuador
05 Sep 2017 Vic Baker presents The Influence of the 18th Century Enlightenment on the Natural Sciences
22 Aug 2017 AGS Meet and Greet, A Networking Event
11 Jul 2017 Andrew Zaffos presents Global Tectonics and Marine Animal Diversity
06 Jun 2017 Dan Johnson presents Introduction to the Florence Copper Project and In-Situ Copper Recovery
02 May 2017 Robert Glennon presents America's Water Crisis and What To Do About It
22 Apr 2017 Spring Field Trip - The Laramide-age Chilito Porphyry Copper Deposit
04 Apr 2017 David London presents The Nature and Origins of Internal Zonation within Granitic Pegmatites
07 Mar 2017 Derek J. Thorkelson presents The Precambrian Tectonic Connection between Yukon and Arizona
07 Feb 2017 Daniel Hummer presents Mineral ecology and evolution: Using large datasets to tell the story of the co-evolution of Earth and life
03 Jan 2017 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
06 Dec 2016 John W. Ewert presents USGS Responses to Some Volcanic Crises and Eruptions Around the World
01 Nov 2016 Alexander Schauss presents Minerals, Trace Elements and Human Health
22 Oct 2016 Fall Field Trip - The Peach Spring Tuff and the Silver Creek Caldera, Northwestern Arizona
04 Oct 2016 Hamish Martin Presents Geology of the Resolution Cu-Mo Deposit, Superior Arizona
06 Sep 2016 Keith R. Long Presents No Bonanza from Cheap Oil
02 Aug 2016 Lee Allison Presents The Future of State Geological Surveys: the Arizona Case Study
05 Jul 2016 Don Applebee Presents Genesis of the Chilito Porphyry Copper Deposit
07 Jun 2016 Robert Hildebrand Presents Collisions, Slab Failure Magmatism and the Development of Cordilleran Batholiths
03 May 2016 Peter Modreski will present "Pegmatites: Mineralogy, Gemstones, Economic Geology, and maybe not quite the same Giant-Crystal Rocks you always thought they were"
30 Apr 2016 Spring Field Trip - An Introduction to the Pinal Schist in Southeastern Arizona
05 Apr 2016 Jordon Bright Presents Looking for an Ocean in the Desert, the Enigmatic Bouse Formation
01 Mar 2016 Peter R. Johnson Presents Tectonics and Mineral Deposits of the Arabian-Nubian Shield
02 Feb 2016 Dr. Karen Wenrich Presents The Ga-Ge Rich Apex Mine, Utah - A Tsumeb, Namibia Analogue
05 Jan 2016 Sarah Baxter Presents Calc-silicate Alteration and Ore Characterization, ASARCO Mission Complex, Pima County, Arizona
01 Dec 2015 Peter Smith Presents The Latest News from Mars
14 Nov 2015 Fall Field Trip - Northern Plomosa Mountains and Bouse Formation in Blythe Basin
03 Nov 2015 Karen Kelley presents The Giant Concealed Pebble Cu-Au-Mo Porphyry Deposit, Southwest Alaska
06 Oct 2015 Caleb King presents Eocene Hydrothermal Systems and Contrasting Hydrothermal Alteration in the Battle Mountain District, Nevada
01 Sep 2015 Carl Bowser presents The Genesis of the Kramer Borax Deposit, Rogers Lake, Mojave Desert, CA:
04 Aug 2015 Dan Lynch presents Volcanoes in the Back Yard
07 Jul 2015 Erik Melchiorre presents The Complex Geological History Recorded by Arizona Placer Deposits:
02 Jun 2015 Jan C. Rasmussen Presents - Arizona Mineralization through Geologic Time
05 May 2015 Gordon Haxel Presents - Alpine peridotite in the desert - Arizona's Laramide subduction complex
02 May 2015 Spring Field Trip - Oak Creek - Mormon Lake Graben
18 Apr 2015 Third Annual Arizona Geological Society Doug Shakel Student Poster Event
03 Mar 2015 Apollo 17 Astronaut and Former Senator Harrison H. Schmitt presents A Geological Visit to a Valley on the Moon
03 Feb 2015 Don Yurewicz Presents Assessing Unconventional (Continuous) Hydrocarbon Resource Plays
06 Jan 2015 Arend Meijer presents: Sulfide-rich Proterozoic Mafic Rocks and Arizona Porphyry Copper Deposits - A Connection?
02 Dec 2014 Victor R. Baker: Megafloods on Earth, Mars, and Beyond
15 Nov 2014 Fall Field Trip - Debris Flows Shape the Sabino Canyon Landscape - look out below!
04 Nov 2014 Isabel F. Barton: Historical Development & Current State of Geological Research in the Central African Copperbelt
07 Oct 2014 Apollo 17 Astronaut and Former Senator Harrison H. Schmitt presents A Geological Visit to a Valley on the Moon
02 Sep 2014 Lewis Land presents Evaluation of Groundwater Residence Time in a Karstic Aquifer System
05 Aug 2014 Jamie Molaro presents Thermal Stress Weathering in the Inner Solar System
01 Jul 2014 Jim Leenhouts presents Surface-water/groundwater Interactions in Arizona
03 Jun 2014 Arend Meijer presents Pinal Schist of So. Arizona--A Paleoproterozoic Fore-Arc Complex
06 May 2014 John C. Lacy presents The Genesis of Mining Law
26 Apr 2014 Spring Field Trip - Geology of the Christmas Porphyry Copper Deposit
24 Apr 2014 Second Annual Arizona Geological Society Doug Shakel Student Poster Event
01 Apr 2014 Eric Seedorff presents, Structural Dismemberment of a Porphyry Molybdenum System, Spruce Mountain District, Northeastern Nevada
04 Mar 2014 John Dreier presents, Copper Deposits of the Coast Ranges of Chile; A trip through time, space, and ore deposit nomenclature
04 Feb 2014 Ralph Stegen presents The Morenci Porphyry Cu-Mo Deposit, Greenlee County, Arizona: A Geologic Summary with Emphasis on Hypogene and Supergene Mineralization
07 Jan 2014 Steve Castor presents, Mountain Pass and other North American Rare Earth Element Deposits
03 Dec 2013 Stephen Jackson, USGS, Looking forward from the past: Ecological impacts of climate change through the lens of history
05 Nov 2013 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?
04 Oct 2013 Field Trip - H. Wilson Sundt Generating Station
01 Oct 2013 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
01 Oct 2013 Mark J. Logsdon, Geochimica, Inc., Does acid-rock drainage lead to waste-rock instability? Geological, hydrological, and geochemical framework for the Questa Mine
03 Sep 2013 Pete Reiners, UA, Geosciences Dept., Geochronology of secondary Fe & Mn oxides in bedrock
30 Aug 2013 Field Trip - University of Arizona Tree-Ring Research Laboratory
06 Aug 2013 Bill Stavast, Freeport-McMoRan Copper & Gold, The Safford Mine: What we have learned since production began
02 Jul 2013 Lukas Zurcher, USGS, presents: "Tectono-magmatic evolution of the Central Tethys Region"
04 Jun 2013 Steve Van Nort presents, "Gold Fever! The BRE-X/Busang Story
07 May 2013 Federal lands and mineral resources: Colorado Plateau uranium deposits and the Sonoran Desert Heritage
18 Apr 2013 First Annual Arizona Geological Society Doug Shakel Student Poster Event

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