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Yes, Bear Butte is actually a laccolith, an intrusive body of igneous rock, but any magma or volcanic material has long since eroded away.

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Q: Are there any volcanoes in South Dakota?
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Are there any volcanoes in North Dakota?

No, there is no record of any volcanoes in North Dakota, however there are several volcanic ash beds or tuffs present in western and central North Dakota. These tuffs are believed to have originated from volcanoes in south-central and western Montana and northern Wyoming.


What were South Dakota's colonial days?

South Dakota did not have any 'colonial days' because South Dakota was not a colony. South Dakota was part of the Dakota Territory, so South Dakota had 'territorial days'.


Are there any countries that border South Dakota?

No, there are no countries that border South Dakota.


Does South Dakota have any coast lines?

No, South Dakota is in the middle of the United States.


Is there any cities or towns in South Dakota that start with an o?

· Onida, South Dakota


What oceans boarder South Dakota?

South Dakota does not border any ocean. South Dakota is bordered by North Dakota to the north, Minnesota to the east, Iowa to the southeast, Nebraska to the south, and Wyoming and Montana to the west.


Are there volcanoes in South Dakota?

We do not have any active volcanoes, but about 750 million years ago, volcanoes were erupting all up and down the east coast. The soil in the upper part of our state is bright red still from the iron in the lava which flowed across the land. The Appalachian Mountains contain volcanic rock such as granite and basalt.


Are they any volcanoes in South Africa?

no there no higher mountian in south africa


Which us state and its capital do not share any of the same letters?

Pierre, South Dakota


Why south Africans are not used to volcanic eruptions?

There are no more ACTIVE volcanoes in Africa.


Is South Dakota contigueos to any other country?

No. South Dakota is bordered by North Dakota to the north, Minnesota to the east, Iowa to the southeast, Nebraska to the south, and Wyoming and Montana to the west.


Do any states touch North Dakota?

Yes; Montana, South Dakota, and Minnesota.