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19 godz. temu · Study with Quizlet and memorize flashcards containing terms like Identify the 3 types of volcanoes., The types of volcanoes are differentiated based on their _____, _____, and _____., _____ volcanoes are cone-shaped volcanoes composed of lava, ash, and rock debris. and more.
19 godz. temu · volcano formed by explosive eruption of pyroclastic material followed by quieter outpouring of lava. pahoehoe. lava that hardens quickly to form ropy formations. pyroclastic ash. Mount St. Helens in Washing covered the city of Spokane with tons of ash. Its eruption would mostlikely be described as ____ producing ____.
19 godz. temu · A _____ is an open cavity in a volcanic rock that was filled by a gas bubble when the lava was still mainly liquid? A) porphyrocryst B) vesicle C) phenocryst D) xenocryst
19 godz. temu · On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. Which type of process first occurred ...
19 godz. temu · Which of the following events allows rocks on either side of a fault to rebound elastically, causing an earthquake? Friction along the fault plane is overcome. - An earthquake occurs when the friction preventing or slowing movement along a fault is overcome, energy is released, and the rocks respond elastically.
19 godz. temu · Study with Quizlet and memorize flashcards containing terms like Crater Lake, Oregon, is an example of a volcanic _____., The original large continental mass containing all of the present continents prior to separation millions of years ago has been named _____., In folded terrain, a simple symmetrical downfold is termed a(n) _____. and more.
19 godz. temu · The Pleistocene was wetter and cooler relative to present-day climate. Name the progression of coal types with increased heat and pressure from burial. peat, lignite, bituminous, anthracite. Abundant plant material accumulating in a swampy environment with __________ is required for peat to form. low oxygen levels.
