Cards in this guide (17)
At divergent plate boundaries in the ocean magma rises and melts because of what
Because of a decrease in pressure.
What type of volcano is built almost entirely from ejected lava fragments
The daughter isotope is 87.5 percent if the half-life of the isotope is 150 million years how old is the sample
a sample is brought to the laboratory and the chemist determines
the percentage of the daughter isotope is 87.5%. if the half-life
of the isotope is 150 million years, how old is the sample?
How do scientists classify intrusive igneous features
according to shape, size, and their relationship to surrounding
layers of rock
The thickest part of the crust occurs in what
The collision and joining of crustal fragments to a continent
mamga <-Lies get out.
Accretion is the correct awnser.
What is a lens-shaped intrusive igneous mass that forms close to Earth's surface
I believe it's laccolith - NovaNet
What is a sheet like body that cuts across rock layers and is produced when magma is injected into a fraction is called
A dike I got it right on a test
If additional weight is added to a piece of crust how will the crust respond
If a mass of granite is in contact with a layer of sandstone that contains small pieces of the granite which rock is older
Ocean convergence produces what
Ocean convergence with continental plates result in subduction
zone. Oceanic with oceanic plates convergence forms volcanic
mountain.
A caldera is a depression in a volcanic mountain A caldera may form when
The mountain collapses into an emptied magma chamber
A downwarped structure with a circular shape is a
Which factors help determine whether a volcanic eruption will be explosive or relatively quiet
The volatile content of the magma.
Weather water or Ice has ingres to the volcanic vent.
The physical stability of the volcano.
An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called
Which is not a form of rock deformation
What is a hot plume of mantle material which may extend to the core mantle boundary produces a