AGEC 2003 Lecture : Lecture On Factor Factor Model
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Chapter 5 the wrath of vulcan: volcanic eruptions. Multiple choice pyroclastic debris derived from an eruption of ____________. In 79 c. e. , the citizens of pompeii in the roman empire were buried by. Most terrestrial volcanic glass ____________. is highly silicic in composition is coarse-grained consists of microscopic crystals freezes from lavas with low viscosity. Basaltic lavas ____________. contain more iron and magnesium than rhyolitic lavas contain more silica than rhyolitic lavas are more viscous than rhyolitic lavas contain a greater proportion of trapped volatiles than rhyolitic lavas. Pahoehoe ____________. forms when basaltic lava flows cease flowing and solidify simultaneously has a smoother texture than a"a" is easier to walk on than a"a" is all of the above. Ans: d irregularly, producing a sharp-surfaced lava rock named ____________. Basaltic lavas that solidify at the surface before flow ceases fracture pahoehoe a"a" pumice hyaloclasite. Pillow lavas are associated with ____________. continental rhyolitic eruptions continental basaltic eruptions submarine rhyolitic eruptions submarine basaltic eruptions.
