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​The Green River Fossil Formation - (Post)
The Green River Fossil Formation is one of the best known and most prolific fossil locations in the U.S. About 55 million years ago, during the Eocene period, the Rocky Mountains were formed. At that ...
The Colors of Petrified Wood - (Post)The colors in Petrified Wood come from minerals present during formation. Petrified Wood may retain the details of the original wood, but often the bright colors are not common in the actual wo ...
Lapidary Clubs - (Post)Due to covid and the influx of live shows on social media, more and more people are getting into rocks and minerals. That’s great for those of us who make a living mining and selling rocks and ...
Where is Petrified Wood Found? - (Post)Petrified Wood is found all over the world. Countries with well-known petrified wood deposits include: Argentina, Australia, Belgium, Brazil, Canada, China, The Czech Republic, Germany, Ecuador, Egyp ...
Wyoming Rocks and Minerals - (Page) We have spent many summers digging dinosaur bones in Wyoming! The Native American word for Wyoming, mecheweaming, means “at the big flat”. A very accurate description of ...
Montana Agate - (Page)Montana Agate comes from near the Yellowstone River in Montana. The vein actually runs from the Yellowstone National Park in Wyoming to North Dakota. Montana Agate is one of the alluvial agates, i ...
Rhyolite - (Page)Rhyolite is an extrusive igneous rock formed as a deposit of volcanic ash. The ash becomes rock after being exposed to extreme heat and pressure. Iron oxide stains create the beautiful patterns.&n ...
South Dakota Rocks and Minerals - (Page)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, ...
Colorado Rocks and Minerals - (Page)Colorado, like 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 o ...
Petrified Woods - (Page)Petrified Wood is also known as fossilized wood. The name Petrified Wood comes from the Greek root petro meaning "rock" or "stone", so stone wood or wood turned into stone. It is technically a ps ...
Montana Rocks and Minerals - (Page) Montana is The Treasure State, fitting for its rocks and minerals. Montana Agate is probably the most well known rock from Montana! Montana Agate comes from near the Yellowstone River in Mon ...
Our Policies - (Page)OakRocks Policies and Frequently Asked Questions. Do we do custom cutting? I'm sorry-we do not do custom rock cutting. Nor do we offer cutting services for your gemstone materials.&nb ...