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In the Playground of Giants
  • Geology Basics
    • An Introduction to Physical Geology
    • A Glossary of Geologic Terms
  • Geology of Central Oregon
    • The Geology of Volcanoes and Volcanism
    • The Geology of Glaciers and Glaciation
    • Geology of the Central Oregon Cascades
  • Field Guides to Central Oregon’s Geology
    • Introduction: How to Use the Field Guides
    • (1) Field Guide to the Bend Area
      • Lava Butte Cinder Cone; Its Lava Flows, and Their Influence on the Deschutes River (Field Trip 1A)
      • Volcanic Relationships along the Northwest Rift Zone of Newberry Volcano (Field Trip 1B)
      • Exploring Lava Tubes, Faults, and Cinder Cones near Bend (Field Trip 1C)
      • Shevlin Park and Evidence for Cataclysmic Volcanism near Bend (Field Trip 1D)
      • Tumalo Creek; Its Glaciated Valley and Spectacular Waterfalls (Field Trip 1E)
      • Smith Rock State Park; A Rock Climbers Paradise in the Remnants of an Ancient Caldera (Field Trip 1F)
    • (2) Field Guide to the Cascade Lakes and Willamette Pass Areas
      • Two Can Tango; Recent and Ongoing Volcanism and Glaciation in the Cascade Lakes Area (Field Trip 2A)
        • Optional Hiking Trails for Field Trip 2A
      • Beyond the Cascade Lakes; A Brief Tour of Volcanism and Glaciation near Willamette Pass (Field Trip 2B)
    • (3) Field Guide to the Newberry Volcano and Christmas Valley-Fort Rock Area
      • Newberry Volcano; The Life and Times of a Shield Volcano Complex (Field Trip 3A)
      • Beyond Newberry: Ancient Lakes, Maar Volcanoes, and a Dash of Basin and Range Block Faulting in the Fort Rock-Christmas Valley-Silver Lake Basin (Field Trip 3B)
    • (4) Field Guide to the McKenzie Pass and Santiam Pass Areas
      • McKenzie Pass – Santiam Pass Loop: Youthful Volcanism in the High Cascades (Field Trip 4A)
      • The Whychus Creek Drainage; Its Volcanic and Glacial History Revealed (Field Trip 4B)
      • An Excursion Through the Western Cascades – High Cascades Transition (Field Trip 4C)
        • Optional Hiking Trails for Field Trip 4A
      • The Upper Metolius River Drainage: Defining the Glacial History of the Oregon Cascades (Field Trip 4D)
  • Geology of the Grand Canyon Region
    • The Geology of Sedimentary Rocks
    • Sedimentary Rock Formations of the Grand Canyon
    • The Crystalline Basement and Geologic Structures
  • Field Guides to the Grand Canyon’s Geology
    • Introduction: How to Use the Field Guides
    • (1) Field Guide to the South Rim, Grand Canyon National Park
      • The Grand Canyon Village Area, Anatomy of a Continent Exposed (Field Trip 1A)
      • The East Rim, Amalgamation and Sundering of an Ancient Supercontinent (Field Trip 1B)
        • Optional Hiking Trails for Field Trip 1B
      • Red Butte, A Brief Glimpse into the South Rim’s Missing Mesozoic and Cenozoic Rocks (Field Trip 1C)

Phantom Ranch, AZ (SW quarter) (Map 1A.2.1 and 1A.4.1)

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