Results for: Craton

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In Geology

What are cratons?

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

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In Geology

Why is only a portion of the North American craton is visible?

Platforms and shields together make up cratons. The shield is the part of the craton that is exposed at Earth's surface and the platform is the part of the craton that is cove… (MORE)

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In Geology

What is peri-cratonic margin basin?

Peri-Cratonic margin basin is the basin having extent from land into the sea with the continental margin within the basin.

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In Geology

How do the sequences of sedimentary rocks in cratons differ from those in mountain belts?

The sequences of sedimentary rocks in cratons are typically thinand are relatively undeformed or gently warped. The sequences inmountain belts, meanwhile, are thick and extens… (MORE)

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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.

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In Diamonds

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)

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In Geology

What sequence of events accounts for a mountain belt that is bounded on either side by cratons?

\n\nContinent-continent convergence The ice age and the subsequent sliding and melting of glaciersaccount for the mountain belt bounded on either side by craters

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In Earthquakes

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)

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In Authors, Poets, and Playwrights

What has the author Craton R Burkholder written?

Craton R. Burkholder has written: 'Emergency care and first aid for small animals' -- subject(s): Handbooks, manuals, First aid for animals 'Emergency care for cats and do… (MORE)

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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)