WebThis magma is less dense than the surrounding rock, so it rises towards the surface and can result in volcanic activity. a. Divergent boundary (rift zone). This type of plate boundary occurs when two tectonic plates move away from each other, creating a … WebPhysical Geology Chapter 3: Intrusive Igneous Rocks 3.5 Intrusive Igneous Bodies In most cases, a body of hot magma is less dense than the rock surrounding it, so it has a …
3.5 Intrusive Igneous Bodies – Physical Geology
WebAs rock inside the earth melts, its mass remains the same while its volume increases--producing a melt that is less dense than the surrounding rock. This lighter magma then rises toward the surface by virtue of its …show more content… Thus causing a friction in the earth’s crust. The pressure caused by the friction will cause the ... WebWhy are mafic eruptions are generally less explosive than felsic eruptions? a. Mafic magma is hotter, allowing gases to remain dissolved in the magma. b. Mafic magma is denser, keeping gases from moving up toward the surface. c. Mafic magma is richer in iron, keeping gases in the crystalline phase. d. gem of eternity
Intrusive Igneous Rock Bodies - University of Pittsburgh
WebModule 2 - The Rock Cycle. Earth as a System: The Rock Cycle - Rock cycle: describes the interactions between the components of the Earth system - Origin of igneous, sedimentary, and metamorphic rocks and how they are connected - Any rock can be transformed into any other rock type under the right conditions Magma and Lava - The … WebIn most cases, a body of hot magma is less dense than the rock surrounding it, so it has a tendency to move very slowly up toward the surface. It does so in a few different ways, including filling and widening … WebIn most cases, a body of hot magma is less dense than the rock surrounding it, so it has a tendency to creep upward toward the surface. It does so in a few different ways: Filling … dead beetle meaning