Web1.Magma: A very hot liquid rock found below the Earth's surface. 2.Lowest silca: Mafic (Basalt rock) Highest silica: Felsic (Rhyolite rock) 3.Lowest viscosity: Basaltic (Basalt … Webstratovolcano, also called composite volcano, volcanic landform characterized by a conical shape formed by layers of volcanic material deposited during successive volcanic eruptions. Stratovolcanoes tend to …
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Web2 days ago · It is a stratovolcano composed of many layers of lava that alternate between hardened volcanic ash and rocks. On November 13, 1985, Nevado del Ruiz spewed hot ash and lava some 23,000 feet into the... WebAs shown in Figure 6.1, shield volcanoes are much larger than stratovolcanoes, but they vary in size with most having a diameter of 100s of kilometers. In contrast, most composite volcanoes have diameters of 15-30 kilometers. Caldera, such as the caldera at the top of Kilauea Volcano can be small, only 1 to a few kilometers across. halifax online uk activate
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WebApr 5, 2024 · Empedocles was a fascinating ancient Greek philosopher, poet, and scientist whose life was marked by both impressive achievements and quirky eccentricities. He was a man who was deeply concerned with understanding the natural world and the mysteries of … WebApr 12, 2024 · volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. A volcanic eruption is an awesome display of Earth’s power. Web21 hours ago · Scientists have used eye and earwitnesses accounts, along with data from tide gauges, satellites, evidence of broken windows and other sources, to calculate that the eruption of the Hunga... halifax online telephone number