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What are dark colored areas that look like oceans and were formed by lava flows?
Those are likely basaltic lava fields called "lava fields" or "lava beds." These areas are created when lava flows and cools to form a hardened surface. They can resemble oceans because of their dark color and often expansive appearance.
What causes the lava to be forced upward?
pressure
Is there a lava field in Missouri?
No, there are no lava fields in Missouri. The state is primarily composed of sedimentary rock and does not have a history of volcanic activity that would produce lava fields. However, there are some volcanic rock formations in the southeastern part of the state, such as the St. Francois Mountains, which are remnants of ancient volcanic activity.
What causes the Moon's gravitational fields?
Gravitational fields are caused by masses.
What causes lava to be runny and fluid?
Silica content of lava, as well as the temperature of the lava.
Would a lava flow be considered an extrusion?
Yes, a lava flow is a type of volcanic extrusion where molten rock, or magma, reaches the Earth's surface and flows out as lava. This can result in the formation of volcanic landforms such as lava fields, lava plateaus, and lava domes.
Evidence of former surface volcanic activity is often found in the vast accumulations of lava called what?
Evidence of former surface volcanic activity is often found in the vast accumulations of lava called lava fields or lava flows.
What causes the eruption from the volcano?
because of the lava rising from the earth
What causes Volcano eruption?
magma and heat pressure
What is replaced after repeated eruptions of lava is spread over a large area?
After repeated eruptions of lava spread over a large area, what is replaced is the existing land or terrain. The lava creates new landforms such as volcanic cones, lava plateaus, or lava fields, changing the landscape of the area.
What effect did Mount Vesuvius cause?
When it erupted, it killed everything around it, eg: Pompii by suffocation (ash). There was little lava but the lava did burn trees and fields etc.
What type of eruption causes pahoehoe lava?
High effusion rates
