Yellowstone Caldera - Quiz
A) 2.15 to 1.95 million years ago B) 1.45 to 1.30 million years ago C) 2.08 to 1.80 million years ago D) 2.50 to 2.20 million years ago
A) Rhyolite of Snake River Butte B) Island Park Rhyolite C) Mesa Falls Tuff D) Huckleberry Ridge Tuff
A) 2.16 million years B) 2.08 million years C) 1.95 million years D) 1.30 million years
A) Eruption of the Mesa Falls Tuff B) Eruption of the Huckleberry Ridge Tuff C) Eruption of the Island Park Rhyolite D) Eruption of the Blue Creek flow
A) Exceeds 1 km B) About 430 m C) Roughly 2.5 m D) Approximately 150 m
A) Four B) Two C) Nine D) Twelve
A) About 280 km3 B) More than 2,450 km3 C) Less than 50 km3 D) Approximately 1,000 km3
A) Mesa Falls tephra B) Island Park ash C) Pearlette type B D) Pearlette type S
A) 1.30 million years B) 1.9476 million years C) 2.07 million years D) 1.9811 million years
A) 500 kyr B) 100 kyr C) 70 kyr D) 200 kyr
A) Huckleberry Ridge system B) Mesa Falls magmatic system C) Sheridan Reservoir system D) Lyle Spring magmatic system
A) 5 km3 B) 1–2 km3 C) 10–20 km3 D) 23 km3
A) Bishop Mountain Flow B) Island Park Rhyolite C) Huckleberry Ridge Tuff D) Mesa Falls Tuff
A) Bishop Mountain tephra B) Pearlette type B C) Henry's Fork ash D) Pearlette type S
A) 20 km B) 10–12 km C) 1–2 km D) 5–8 km
A) Mount Everts B) Big Bend Bridge C) Red Mountains D) Silver Lake
A) Four B) Five C) Nine D) Two
A) 600–700 °C B) 1100–1200 °C C) 750–800 °C D) 900–1000 °C
A) Big Bend Ridge B) Red Mountains C) Henry's Fork Caldera D) Huckleberry Ridge Caldera
A) Yellowstone excursion B) Mesa Falls excursion C) Huckleberry Ridge geomagnetic excursion D) Big Bend excursion
A) Idaho, Nevada, and Utah B) Montana, Washington, and Oregon C) Wyoming, Idaho, and Montana D) Wyoming, Utah, and Colorado
A) 29,000 km2 B) 17,000 km2 C) 5,000 km2 D) 10,000 km2
A) National Park Geological Service B) Volcanic Research Institute C) Plateau Seismic Center D) Yellowstone Volcano Observatory
A) It is currently occurring B) It is expected within a decade C) It is predicted to happen next century D) It is not considered imminent
A) Yellowstone Plateau B) Lava Creek Group C) Absaroka Volcanic Supergroup D) Teton Volcanic Complex
A) Seismic tomography showing a broad thermal anomaly B) Ground deformation patterns C) Presence of basaltic flows D) History of the Laramide orogeny
A) Hydrothermal flow analysis B) Deep crustal drilling C) Lidar mapping D) Satellite heat sensing
A) Elephant Back B) Red Mountains C) Mallard Lake D) West Thumb
A) A thin layer of ash B) Thick intracaldera fill C) A glacial deposit D) A resurgent dome
A) The Huckleberry Ridge team B) Robert L. Christiansen C) The Island Park commission D) Myers et al.
A) A fault scarp B) A resurgent dome C) A glacial deposit D) A lava flow
A) Big Bend basin B) Snake River basin C) Island Park basin D) West Thumb basin
A) A north-south trending strike-slip fault B) A volcanic crater C) A circular caldera rim D) A northwest-trending axial graben
A) Madison Plateau B) Grand Canyon Plateau C) Yellowstone Rim Plateau D) Mallard Plateau
A) Obsidian-rich rhyolite B) Limestone C) Columnar-jointed basalt D) Volcanic tuff
A) Volcanic ash fall accumulation B) Sediment deposition from glaciers C) Hydrothermal alteration D) Iron oxidation from river water
A) Two B) Four C) Five D) Three
A) Flat Mountain Rhyolite B) Mount Jackson Rhyolite C) Lewis Canyon Rhyolite D) A black, glassy vitrophyre
A) A 20–30 cm loose crystal ash unit B) A 3-meter thick rhyolite flow C) A thick basaltic lava flow D) A layer of glacial till
A) Ventura, California B) Gulf of Mexico C) Regina, Saskatchewan D) The Arctic Circle
A) Mallard Lake Member B) Upper Basin Member C) Roaring Mountain Member D) Central Plateau Member
A) Dunraven Road Flow B) Riverside Flow C) South Biscuit Basin Flow D) North Biscuit Basin Flow
A) 13 km B) 35 m C) 5 km D) 230 m
A) Obsidian Creek Member B) Upper Basin Member C) Central Plateau Member D) Mallard Lake Member
A) The collapse of the caldera B) A supereruption C) A steam explosion D) A massive lava flow
A) Magma movement B) Slips on pre-existing faults C) Hydrothermal fluid pressure D) Tidal forces
A) Yellowstone Volcano Observatory B) Geological Society of America C) University of Utah D) NASA
A) Within a few centuries B) Instantly without warning C) Within just decades D) Within several millennia |
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