285 results for petrified

Idaho is a great state for rockhounding.  In fact Idaho's nickname is 'The Gem State’. It even has a county known as Gem County. The state is also home to an incredible variety of geol ...

New Mexico is one of the richest states for finding rocks and minerals. Varieties of agate, jasper, chert, or petrified wood are found in 15 of New Mexico's 32 counties. The New Mexico state gems ...

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 ...

Collectible rocks and minerals are found in every province and territory in Canada. Canada is the second largest country in the world. It is the world leader in the production of potash and ranks am ...

What are the rules or laws for Rockhounding? Rockhounding is the term used to describe people who rock hunt, or collect rocks for fun.  Though it use to be easy to just go out and collect rock ...

North Dakota has lots of oil, gas, sand, coal and other natural resources. North Dakota is in the U.S. region known as the Great Plains. Eastern North Dakota lies in the level bed of the ancient Lak ...

There is mining for rocks in Australia in all states and territories. The geology of Australia includes almost all known rock types and from all geological time periods spanning over 3.8 billion y ...

Lots of beautiful rocks and minerals come from the state of Utah. Utah covers 54.4 million acres, of which 35 million are owned by the federal government. There are five National Parks and six Nat ...

Florida is not really known for good cutting or lapidary material. But Florida does have some cool rocks and minerals. Primarily Florida is covered with sedimentary rocks: limestone or calcite and ...

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 ...

What is the difference between agates and jaspers? Agates and jaspers are both members of the Chalcedony stone family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the cr ...

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, ...