Ass #3 Key Terms and Concepts

What are the two primary types of rocks where diamonds form?

Which geological formations are known to transport diamonds to the surface?

What is the most common cause of blue color in diamonds?

Where do diamonds primarily form when carbon is available?

Which type of diamond is known to be the toughest?

What is the toughest form of diamond made up of many tiny diamond crystals?

What geological process delivers diamonds to the earth's surface?

Which of the following best describes the composition of diamond and graphite?

What is the primary layer of the earth where most diamond deposits can be found?

What occurs during the process of subduction?

What is a 'pipe' in geological terms?

Which part of the earth's structure is known to be the innermost layer?

What drives the movement of the earth's plates?

The transition zone is ....?

A Diamond that formed at 410 km or deeper beneath the earth’s surface is ?

A natural material composed of one or more kinds of minerals is a ?

The majority of mined diamonds are superdeep or ?

Diamond formation requires extreme pressures and temperatures, and ?

Mantle keels under cratons are an environment for ?

Cratons are ?

The surface and outer most layer of the earth is ?

Rare diamond that forms in the continental crust at or near the earth’s surface due to meteorite impact or tectonic plate collision is ?

A Carbonate is a class of chemical compounds that contains ...?

A CLIPPER diamond is defined as ?

The rate of temperature increase with depth in the earth is called ?

A type of rock formed from a molten state.

The theory of the formation, structure, and movement of the earth’s landmasses is ?

A large, downward-protruding portion of the lithosphere under a craton is ?

The layer that contains the crust and the uppermost part of the mantle ....?

Boron in blue diamonds originates from ...?

Diamonds were delivered to the surface between ?

Any molten rock within the earth is ?

The layer between the earth's crust and its core is ?

A process in which chemical changes in minerals and rocks result from the introduction of material from external sources, often fluids or melts.

A type of rock that has been altered by heat and pressure.

A natural, inorganic substance with characteristic chemical composition and usually characteristic structure.

• The earth’s basic structure consists of......

What type of diamonds form deeper within the mantle opposed to mantle keels ?

Inclusions can indicate ....

What is an essential part of diamond formation?

Kimberlite tends to occur in the center of cratons, while lamproite occurs ....

The mantle can be divided into three broad layers....

Kimberlite and lamproite form .........

CLIPPIR diamonds crystallized from ....

Diamond-bearing kimberlite is much more common than diamond-bearing ...........

Very few kimberlites or lamproites contain diamonds in ......?