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Geology

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Sierra Flatley

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Cards in this guide (13)
What do you call mountains formed by blocks of crust moving along a fault

fault-block mountains

Radiometric dating is possible because the rates of decay of radioactive isotopes

Are constant

The thickest part of the crust occurs in what

Youngest mountain ranges

What is the name of the doctrine that states the physical chemical and biological laws that operate today have also operated in the geologic past

Uniformitarianism

Which item could be dated using radiocarbon dating

A 60,000 year old mammoth bone.

Which is a true statement about the process of accretion

It enlarges continental landmasses and forms mountains along the edges of continents.

What type of mountain ranges form at convergent plate boundaries

Folded and volcanic mountains

If additional weight is added to a piece of crust how will the crust respond

By Sinking

If a mass of granite is in contact with a layer of sandstone that contains small pieces of the granite which rock is older

granite

Ocean convergence produces what

Ocean convergence with continental plates result in subduction zone. Oceanic with oceanic plates convergence forms volcanic mountain.

A downwarped structure with a circular shape is a

basin

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

accretionary wedge

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