WebFrequently Asked Questions (FAQs) Below is a categorized listing of questions that we commonly receive. Click the question to find out the answer! Filter By Topic. Lava Studying Volcanoes / Volcanology Volcanic Effects Interesting Factoids Folklore Eruptions General / Misc Africa Antarctica, Australia, and New Zealand Asia Central America ... Web10 de mai. de 2024 · Updated on May 10, 2024 Geology, Volcanoes. “When volcanoes erupt, magma consists of liquid rock within the interior of the Earth. But as molten rock finds its way to the surface, we refer to it as …
Lava Types, Composition, Temperature, & Facts Britannica
Web12 de dez. de 2016 · Basaltic lava is formed from magma that is low in silica. This makes for a more fluid magma that allows gas bubbles to expand on the way up to the surface, preventing sudden explosive activity. Rhyolitic and Andesitic lavas are formed from silica-rich magma that is very viscous. Web22 de jul. de 2024 · The process of partial melting tends to form magmas which are more mafic. Magmas may assimilate different chemicals once they reach the surface. Different magmas may mix to form a new magma. The lava that forms magmas may cool at different rates. See also what capital lies directly on the prime meridian. Different Types … bishop fields
What is the Difference Between Lava and Magma?
Web1. Magma and lava both refer to molten rock from which igneous rocks form. However, magma refers to molten rock below Earth's surface, and lava refers to molten rock at the surface. List the three factors that determine the nature of a volcanic eruption. What role does each play? 2. The nature of a volcanic eruption is determined by 1) the ... Web2 de abr. de 2024 · The volatiles released from the sinking plate rise into the overlying plate, giving rise to the world's volcanic arcs. The composition of a magma depends on the … WebAnswer (1 of 6): Magma is internal molten rock stored in volcanoes & the mantle. Lava is external magma that is ejected from volcanoes. The only similarity is their high … darkhouse baptist church