Mount St. Helens is...a. A basaltic cinder coneb. One explosive stratovolcanoc. A basaltic shield volcanod. A small, welded tuff cone


You are watching: A ________ is the largest discordant body of intrusive, igneous rock.

Which one of the adhering to shows the exactly order (left come right) of diminish magma viscosity?a. Rhyolite, andesite, basaltb. Andesite, rhyolite, basaltc. Basalt, rhyolite, andesited. Basalt, andesite, rhyolite
Which of the following are normally the many abundant gases emitted throughout basaltic volcanism?a. Chlorine and sodiumb. Neon and ammoniac. Oxygen and nitrogend. Water vapor and carbon dioxide
Which that the complying with statements best describes Shiprock, a famous volcanic function in brand-new Mexico?a. The eroded remains of a volcano pipe and radiating dikesb. One extinct, massive, rhyolite volcano domec. A really recently, energetic basaltic cinder coned. An extinct, extremely symmetrical, composite volcanic cone
A _______________ is the largest, discordant body of intrusive, igneous rock.a. Lopolithb. Laccolithc. Batholithd. Stock
_____________ magma is the most abundant type erupted in ~ oceanic dispersing centers. A. Graniticb. Basalticc. Andesiticd. Pegmatitic
The _______________ ocean container is rimmed by the most subduction zones. A. Atlanticb. Indianc. Pacificd. Arctic
Which the the complying with is linked with deep mantle hot spots?a. Vesuvius and also the other volcanoes that Italyb. The volcanoes that Hawaii and the Quaternary activity in Yellowstone national Parkc. The an extremely young cinder hat scattered throughout the southwestern unified Statesd. Mt. St. Helens and also other volcanoes of the Cascade Mountains
Which type of basaltic lave circulation has a relatively smooth, unfragmented, ropy surface?a. Aab. Pegmatiticc. Pahoehoed. Scoria
The Columbia Plateau in Washington and Oregon is...a. A thick stack of welded-tuff layersb. An extensive, thick build-up of succeeding eruptions of flood basaltsc. A caldera filled through rhyolitic lave flowsd. A field of large stratovolanoes
What volcanic events formed Crater Lake, Oregon? when did it take it place?a. A an effective explosion blew away the top of a stratovolcano; 10 million years agob. The crater the a large, extinction cinder cone filled v water; 5 million years agoc. Landslides and also volcanic mudflows dammed the Mazama River; 500 year agod. Caldera please followed major ash and also pyroclastic flow eruptions; 6000 years ago
The average composition the rocks making up a huge composite cone or stratovolcano is similar to a (an) ________ magma.a. Basalticb. Ultramaficc. Andesiticd. Rhyolitic
Massive, gently sloping volcanoes developed successive, basaltic lave flows are dubbed ___________. Examples are uncovered on the Hawaiian Islands. A. Shield volcanoesb. Composite/Stratovolcanoesc. Cinder conesd. Volcanic domes
Volcanic bombs originate...a. As erupted magma blobs that partially congeal before falling to the groundb. Together laser-guided, granite blocks launched from a supersonic jetc. Together blocks of volcano rock damaged off from an erupting volcanic craterd. Together ash particles that sign up with together in the eruptive plume and also fall together cobble-sized objects
Which that the following determinants tend to rise the explosive potential of a magma body beneath a volcano?a. High viscosity and also high dissolved gas contentb. High viscosity and low dissolved gas contentc. Short silica content and also low viscosityd. Short viscosity and also low liquified gas content
A ____________ is one intrusive, igneous body that is tabular and also concordant (parallel) with adjacent rock layers.a. Laccolithb. Dikec. Plutond. Sill
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