Science Quiz / HCHS/HCMS Volcano Terms

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Can you name the terms related to volcanoes?

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DescriptionTerm
Fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism
Type of rock made of volcanic ash ejected from vent during eruption/compacted thru consolidation/soft rock/used by Romans & on Easter Island heads/igneous or sedimentary class
Techniques developed by Chris Turney & others for extracting tephra horizons invisible to the naked eye
Opening in a planet's crust, often in the neighborhood of volcanoes, which emits steam and gases such as CO2, SO2, hydrogen chloride, and hydrogen sulfide/comparable to hot spring
Roughly circular mound shaped protrusion resulting from the slow ectrusion of viscous lava from a volcano
Fumarole that emits sulfurous gases
Small scale features formed by lava accumulation around a small vent on a volcanic edifice/formed from tephra (ash) & tuff thrown from explosive vent/also called 'scoria cone'
Meaning stony rough lava, characterized by a rough or rubbly surface
Conical volcano built up by many layers of hardened lava,tephra,pumice, and volcanic ash/Rainier, Shasta, Pinatubo, Fuji, and Vesuvius
Fumarole also called a paint pot when colorful with limited water/usually takes the form of a pool of bubbling mud
DescriptionTerm
Type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris, and water.
Lava structure typically formed when lava emerges from an underwater volcanic vent or a lava flow enters the ocean, very common
An older volcano with a large crater that can be up to 62 miles wide/in this crater many new craters are form/Yellowstone, Crater Lake
Volcano usually built entirely of fluid lava flows, named for thier large size and low profile/Mauna Loa, Mauna Kea, Erta Ale, Kīlauea, Fernandina Island
Geochronological technique using discrete layers of tephra (ash from a single eruption) to create a chronological framework for paleoenvironmental or archaeological records
Behave similarly to aa flows, but it's more viscous nature causes the surface to be covered in smooth-sided angular fragments
Basaltic lava that has a smooth, billowy, undulating or ropy surface
Clastic rocks composed solely or primarily of volcanic materials
Theory that supereruption of namesake volcano 75,000 yrs ago on Sumatra led to global volcanic winter that nearly led to extinction of humans/very controversial

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Created Sep 12, 2017ReportNominate
Tags:related, term, volcano

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