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Which national park in the United States is home to a large volcanic caldera formed through a very large explosive eruption 630,000 years ago
Whether an eruption will primarily produce lava flows or pyroclastic debris is influenced by
All of the above
Of the three primary forms of subaerial volcanoes, ________________ consist of alternatig layers of tephra (unlithified volcanic debris) and solidified lava
Gases that are abundantly emitted by volcanoes include
Water vapor, carbon dioxide, and sulfur dioxide
Lithified detritus (breakdown products of preexisting rocks) forms which kind of sedimentary rock
The removal of detritus from weathered rock at an outcrop (surface of exposed rock) is called
Physical precipitation of gypsum due to evaporation of seawater produces which kind of sedimentary rock
A buried body of shale is subjected to differential stress at temperatures greater than 200°C, causing clay minerals to grow in a preferred orientation and producing a slate. This is an example of
An earthquake occurs with an epicenter in the town of New Madrid, Missouri, in the interior of the North American Plate. Where might the hypocenter of this earthquake plausibly be found
20 km beneath New Madrid
Compared to low-grade metamorphic rocks, high-grade rocks
Are produced at greater temperatures and pressures
For a fault with a steep fault plane (closer to vertical than horizontal), when the footwall side moves upward relatively to the hanging wall, the fault is termed
For a fault with a steep fault plane (closer to vertical than horizontal), when the hanging wall side moves upward relatively to the footwall, the fault is termed
The point on the Earth's surface directly above the point where an earthquake occurs is termed the
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