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Diamonds are formed deep within the earth's mantle, under enormous pressure and extreme, high heat. Then, volcanic pipes erupt the diamonds to the earth's surface.

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How do diamonds arrive in streams?

Some diamonds are found in rivers and in the mouths of rivers as they flow into the ocean. Water flowing over the tops of the volcanic pipes -- which push the stones to the earth's surface -- deposits the diamonds where they can be found in flowing water.These diamonds are called alluvial diamonds.


Were do most diamonds come from?

All diamonds are erupted to the surface of the earth by volcanic pipes. Exceptions are diamonds that arrive on earth from unknown sources in space. Diamonds are found on every continent on earth except Europe and Antarctica.


What percent of the earths surface is the US?

100


What is it that causes diamonds to rise to earth surface?

Diamonds are erupted to the surface of the earth by volcanic pipes.


How much of earths oceans cover earths surface?

70% or 80% of water covers the earths surface


Does the outer core cover earths surface?

No the crust covers earths surface


Why are map projecters needed?

to draw the earths surface.


How do diamonds get to the surface?

Via rising molten magma or by mining.


Why are there are almost no extrusive ultra basic rocks in earths crust?

There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.


What forces below earth surface shape landforms?

The tectonic plates below earths surface shape earths landforms


What is on the surface of diamonds?

Carbon.


Where do diamonds erupt to the surface?

Diamonds erupt to the surface through volcanic pipes called kimberlite pipes. These pipes are formed deep in the Earth's mantle and bring diamonds closer to the surface during volcanic eruptions. Once on the surface, the diamonds can be found in countries like South Africa, Botswana, Russia, and Canada.