How the earth works quiz anwers

Shallow earthquakes can be up to ________ miles deep.

45

Most sulfates form from...

Evaporation of saltwater

Which two atoms are mainly responsible for creating most black colored igneous / metamorphic minerals?

Fe / Mg

In 2011 Japan was hit with three simultaneous disasters...which one doesn't belong?

Fires

What is the name of the small earthquakes that may occur before a large prominent earthquake?

Foreshocks

When we find gold in small "veins" it's probably related to which type of ore deposits?

Hydrothermal

What is the name of the process where a sand-rich water-soaked sediment suddenly becomes like quicksand do to the shaking caused by earthquake waves.

Liquefaction

What type of ore deposits are associated with unusually large crystals?

Pegmatites

Which mineral is typically found in Ohio's coals and is associated with numerous environmental problems?

Pyrite

Which type of non-metallic deposits are typically found in buried glacial valleys?

Sand & Gravel

Which type of earthquake waves can travel throughout the earth but not through its outer core?

Secondary

What country has the greatest ore body on earth?

South Africa

Why are seashells not considered minerals?

They're organic

What is the name of an atom that has lost an electron?

positive ion

An ore is a rock with a high enough concentration of a metal or other mineral that it can be mined at a profit?

true