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Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado). Bentonite (/ ˈ b ɛ n t ə n aɪ t / BEN-tə-nyte) [1] [2] is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Na-montmorillonite or Ca-montmorillonite.
Benton County is a county in the Northwest region of the U.S. state of Arkansas.Created as Arkansas' 35th county on September 30, 1836, Benton County contains thirteen incorporated municipalities, including Bentonville, the county seat, and Rogers, the most populous city.
The location of the state of Arkansas in the United States of America. The following outline is provided as an overview of and topical guide to the U.S. state of Arkansas: Arkansas – state located in the southern region of the United States. It is a land of mountains and valleys, thick forests and fertile plains.
Several different types of bentonite can be found; however, potassium bentonite is the main one associated with the Deicke and Millbrig eruptions. The Deicke and Millbrig K-bentonite layers can be found from Alabama to New York to Minnesota. These K-bentonite layers are up to a meter thick in some locations. [8] Such thickness is unique.
The half of the state south of Little Rock is apter to see ice storms. Arkansas's record high is 120 °F (49 °C) at Ozark on August 10, 1936; the record low is −29 °F (−34 °C) at Gravette, on February 13, 1905. [16] Arkansas is known for extreme weather and frequent storms.
The Northwest Arkansas Razorback Regional Greenway, a 36-mile (58 km) primarily off-road mixed use trail connecting the Northwest Arkansas region, runs through Bentonville near Bentonville High School, the Walmart Home Office, and Crystal Bridges on its way to Lake Bella Vista to the north. The Crystal Bridges Trail is a 1 mile (1.6 km) trail ...
Arkansas, Union counties, then from Chicot County (prior to 1880), and Lincoln (prior 1930) Benjamin Desha, a soldier in the War of 1812: 10,479: 819.52 sq mi (2,123 km 2) Drew County: 043: Monticello: Nov 26, 1846: Bradley, Chicot, Desha, Union counties: Thomas S. Drew (1802–1879), 3rd Governor of Arkansas 16,945: 835.65 sq mi (2,164 km 2 ...
F.B. Meek and F.V. Hayden originated the scientific names for the series of Cretaceous rocks in the central Great Plains of the North American Continent.They gave the name "Benton" to the great shale deposits between the sandstone bluffs at Dakota City, Nebraska, and the chalk bluffs at the junction of the Niobrara and Missouri rivers.