Recent questions tagged world-quiz

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Powerful, explosive, volcanic eruptions can result in climatic cooling for millions of years following the eruption.

asked Jun 23, 2022 in World by voice (257k points)

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The eruptions of the Hawaiian volcanoes may be described as explosive in comparison to the 1980 Mount St. Helens

asked Jun 23, 2022 in World by voice (257k points)

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The viscosities of magmas increase with increasing percentages of silica.

asked Jun 23, 2022 in World by voice (257k points)

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Ash and lapilli are different sized pyroclastic particles.

asked Jun 23, 2022 in World by voice (257k points)

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Dissolved gases may comprise up to a few percent by weight of a magma.

asked Jun 23, 2022 in World by voice (257k points)

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Xenoliths are associated most closely with which magmatic process and igneous rockbody?

asked Jun 23, 2022 in World by voice (257k points)

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Which of the following best describes the bedrock in the Sierra Nevada Mountains in California?

asked Jun 23, 2022 in World by voice (257k points)

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A ________ is a near surface, intrusive, igneous rock body that results from local inflation of a horizontal sill.

asked Jun 23, 2022 in World by voice (257k points)

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A very large, discordant pluton, commonly of composed of granite is a ________.

asked Jun 22, 2022 in World by voice (257k points)

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A ________ is an intrusive, igneous rock body that is tabular and concordant.

asked Jun 22, 2022 in World by voice (257k points)

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A ________ is the largest, discordant body of intrusive, igneous rock.

asked Jun 22, 2022 in World by voice (257k points)

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What is the largest, known volcano in the Solar System?

asked Jun 22, 2022 in World by voice (257k points)

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Why do magmas rise toward Earth's surface?

asked Jun 22, 2022 in World by voice (257k points)

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Which one of the following shows the correct order (left to right) of decreasing magma viscosity?

asked Jun 22, 2022 in World by voice (257k points)

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What volcanic events formed Crater Lake, OR? When did they take place?

asked Jun 22, 2022 in World by voice (257k points)

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At low pressures and in the absence of water, rhyolites and granites begin to melt at about ________.

asked Jun 22, 2022 in World by voice (257k points)

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Which of the following statements best describes the big Hawaiian volcanoes?

asked Jun 22, 2022 in World by voice (257k points)

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Which one of the following best describes volcanism in the Cascade Range, northwestern United States?

asked Jun 22, 2022 in World by voice (257k points)

1 answer

The Icelandic volcanoes are related to plate tectonics because ________.

asked Jun 22, 2022 in World by voice (257k points)

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The recent (geologically) volcanic activity in Yellowstone National Park is ________.

asked Jun 22, 2022 in World by voice (257k points)

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Which region has the greatest concentration of currently active volcanoes?

asked Jun 22, 2022 in World by voice (257k points)

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A ________ volcano is a very large, gently sloping mound composed mainly of basaltic lava flows.

asked Jun 22, 2022 in World by voice (257k points)

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The average composition of rocks comprising a large composite cone or stratovolcano is similar to a (an) ________ magma.

asked Jun 22, 2022 in World by voice (257k points)

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The 1943 eruption of Paricutin in Mexico was characterized by ________.

asked Jun 22, 2022 in World by voice (257k points)

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Mount St. Helens is ________.

asked Jun 22, 2022 in World by voice (257k points)

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