Results for: Craton

In Geology

What are cratons?

The part of a continent that is stable and forms the central mass of the continent; typically Precambrian.
In Geology

What is a craton made from?

Craton refers to the stable interior portion of a continent. It iscomposed of ancient crystalline basement rock, containing bothshields and platforms.

Do cratons contain diamonds if so how do they get there?

According to Wikipedia, a craton is an "...old and stable part of the continental lithosphere" -- the earth's outermost rocky shell. Kimberlite pipes, where diamonds are com (MORE)

Are there too many earthquake swarm around cratons co ok ak nv ca mo and do they indicate awaking of the supervolcano?

No. Earthquakes in California, Nevada, and Alaska are primarily theresult of normal tectonic acitvity. Some earthquakes in Alaska andnorthern California are associated with vo (MORE)
In Geology

What is a craton and what is a kimberlite pipe and how are they linked to the discovery of the diamond?

A craton is 'an old and stable part of the lithosphere' -- theearth's crust. One class of inclusions in the formation of theearth's crust when subductions of crust were folded (MORE)