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Fluid basaltic lavas like those in hawaii commonly form what?
Fluid basaltic lavas such as rhyolite and dacite typically form thick short lavas namely lava spines, lava domes or coulees.
Fluid basaltic lavas commonly form?
Fluid basaltic lavas commonly form from low-viscosity magma with high temperatures and low silica content. When erupted, these lavas tend to flow long distances and form thin, low-angle lava flows that can extend for many kilometers before solidifying. Basaltic lavas are common at hot spot volcanoes, mid-ocean ridges, and shield volcanoes.
What rocks come from lava flow?
Lava flows cool to form extrusive igneous rock. Most lava flows consist of basaltic lava, cooling to form a dark rock called basalt. Some, however, may consist of andesite or, rarely, rhyolite and similar lavas.
How do lava fields form?
They are formed where over time by continual layers of lava building up. They are normally a raised area of land that forms tablelands or flat topped hills. These can go on for hundreds-thousands of kilometres fluid basaltic flows out....
What kinds of volcanoes form on converging plate boundaries?
Volcanoes that form on converging plate boundaries are typically stratovolcanoes or composite volcanoes. These volcanoes are formed by the subduction of one tectonic plate beneath another, leading to the formation of a volcanic arc and explosive eruptions due to the melting of the subducted plate. Examples include the Cascade Range in the U.S. and the Andes in South America.
What fluid basaltic lavas commonly form?
Pahoehoe Flows.
Fluid basaltic lavas like those in hawaii commonly form what?
Fluid basaltic lavas such as rhyolite and dacite typically form thick short lavas namely lava spines, lava domes or coulees.
Fluid basaltic lavas commonly form?
Fluid basaltic lavas commonly form from low-viscosity magma with high temperatures and low silica content. When erupted, these lavas tend to flow long distances and form thin, low-angle lava flows that can extend for many kilometers before solidifying. Basaltic lavas are common at hot spot volcanoes, mid-ocean ridges, and shield volcanoes.
Shield volcanoes form from the build-up of?
Fluid, basaltic lavas
Lava plateaus forms when?
Lava plateaus form when fluid basaltic lava flows out of fissures.
What rocks come from lava flow?
Lava flows cool to form extrusive igneous rock. Most lava flows consist of basaltic lava, cooling to form a dark rock called basalt. Some, however, may consist of andesite or, rarely, rhyolite and similar lavas.
How do lava fields form?
They are formed where over time by continual layers of lava building up. They are normally a raised area of land that forms tablelands or flat topped hills. These can go on for hundreds-thousands of kilometres fluid basaltic flows out....
What are characteristics of basaltic igneous rock?
Basaltic igneous rocks are fine-grained and have a low silica content. They are typically dark in color, ranging from black to dark gray. They form from the rapid cooling of basaltic magma and are commonly found in oceanic crust and volcanic islands.
What kinds of volcanoes form on converging plate boundaries?
Volcanoes that form on converging plate boundaries are typically stratovolcanoes or composite volcanoes. These volcanoes are formed by the subduction of one tectonic plate beneath another, leading to the formation of a volcanic arc and explosive eruptions due to the melting of the subducted plate. Examples include the Cascade Range in the U.S. and the Andes in South America.
What color rocks does basaltic magma form?
Basaltic magma usually forms a black rock.
What are the four types of lava that form at hot spots and their characteristics?
Aa is lava that forms a thick ,brittle crust . Pahoehoe is a lava that forms a thin crust. Pillow lava forms when lava erupts underwater. Blocky lava is kool, stiff lava that does not travel far from thr eruption site.
What type of lava forms mt hood?
Mt. Hood is primarily composed of andesitic lava, which is intermediate in composition between basaltic and rhyolitic lavas. Andesitic lava is characterized by its viscosity and tendency to form lava domes, lava flows, and pyroclastic flows.
