Abernathy Spring is a mineral spring located in Polk County, 2.8 km (1.75 mi.) east of the unincorporated comm...

The Arkansas Geological Survey (AGS), formerly the Arkansas Geological Commission (AGC), is a division of the ...

Arkansite—a mineral that exists in ten U.S. states and eleven countries—is actually brookite, the rarest o...

John Casper Branner began serving as state geologist for the Arkansas Geological Survey on June 24, 1887, and ...

Bromine (chemical symbol Br) is a highly corrosive, reddish-brown, volatile element found in liquid form. Brom...

Samuel Thompson Busey was a 1920s oil speculator and promoter of the Arkansas oil industry. While originally t...

Fossils are the remains of animals and plants that have been preserved in the earth’s crust. They can consis...

John Wesley Huddleston is best known as a struggling farmer who found two diamonds on the surface of his field...

Hugh Dinsmore Miser was a geologist who spent much of his career with the United States Geological Survey (USG...

The earliest natural gas find is reported to have been in Scott County in 1887 during an effort to develop a c...

Novaculite is a hard, dense, white-to-grayish-black sedimentary rock, composed of microcrystalline quartz. It ...

Albert Homer Purdue was the ex officio state geologist from 1907 to 1912. He published many works on the geolo...

There are three basic classes of rocks: igneous, metamorphic, and sedimentary. Igneous rocks are those that so...