388 results for jasper

Limb cast are arguably some of the most beautiful “Petrified Wood” around.  But what is a limb cast? Limb cast begin the same way that Petrified Wood does, trees are buried quickly u ...

North Dakota has lots of oil and gas, sand and gravel, coal, groundwater and other natural resources. North Dakota is in the U.S. region known as the Great Plains. Eastern North Dakota lies in the l ...

Indiana is mostly sedimentary rock brought by ancient seas and glaciers. This is great for fossils, but not great for rocks and minerals. During the past 2 million years, two major glacial advances ...

Nebraska is not a great state for finding gem grade rocks and minerals. Nebraska is a part of the Great Plains, with its plain sloping from northwest to southwest, including rich farmlands in the ea ...

Vermont is not known for gems, but it is known for its marble, serpentine, and other metamorphic rocks. Much of the area of Vermont is broken up by the Green Mountains and, parallel with them in the ...

There are rocks and minerals to be found in Iowa, but the variety is low. Iowa is mostly rolling prairie land deposited by glacial activity over sedimentary rock. In the northeast corner, where ther ...

  Louisiana is not known as a great place to find rocks and minerals. It is completely made up of sedimentary rocks. There are no outcrops of metamorphic or igneous rocks, Much of Louisiana h ...

The Black Hills, South Dakota is one of the top 5 places in the U.S. for rocks and minerals. In addition to agate and rose quartz, there are more than 40 other minerals found here: including copper, ...

Pennsylvania is not rich in rocks and minerals, and not very great for rockhounding.  There are very limited public lands, and much of it is hunting grounds. Pennsylvania does not have an ...

Hawaii’s official state gem is black coral, designated in 1987. Hawaii does not have an official state mineral or state rock. The state of Hawaii is actually 137 volcanic islands that compris ...

Rhode Island is one of the worst states for finding gem grade rocks and minerals. Once a plain not much above sea level, Rhode Island has been uplifted and its surface covered by stream action into ...

Colorado, and most western states, has produced gold, copper, and silver. Gold was discovered in 1859 and the most productive gold mine in Colorado, the Cresson Mine, produced more than 258,000 ou ...