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The Arkansas Geological Survey (AGS), formerly the Arkansas Geological Commission (AGC), is a government agency of the State of Arkansas. It is responsible for the investigation of the geology, geologic processes, and geologic resources within the state. It encourages the considered management and utilization of the state's mineral, fossil-fuel ...
Geology of Arkansas. The geology of Arkansas includes deep 1.4 billion year old igneous crystalline basement rock from the Proterozoic known only from boreholes, overlain by extensive sedimentary rocks and some volcanic rocks. The region was a shallow marine, riverine and coastal environment for much of the early Paleozoic as multi-cellular ...
Boone County, Arkansas. Named by. John Casper Branner and Frederick William Simonds, 1891 [1] [2] [3] The Boone Formation a discrete and definable unit of cherty limestone rock strata located in northwest Arkansas and northeast Oklahoma. [1] [4] The stratigraphy of the Boone Formation dates to the Mississippian age. [4]
The geography of Arkansas varies widely. The state is covered by mountains, river valleys, forests, lakes, and bayous in addition to the cities of Arkansas. Hot Springs National Park features bubbling springs of hot water, formerly sought across the country for their healing properties. [1] [2] Crowley's Ridge is a geological anomaly rising ...
Springs of Missouri, Vineyard and Feder, Missouri Department of Natural Resources, Division of Geology and Land Survey in cooperation with U.S. Geological Survey and Missouri Department of Conservation, 1982
A rural Ozarks scene. Phelps County, Missouri The Saint Francois Mountains, viewed here from Knob Lick Mountain, are the exposed geologic core of the Ozarks.. The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas.
J.A. Taff [1] Named after Atoka County, Oklahoma, the Atoka Formation is a geologic formation in central and western Arkansas, eastern Oklahoma, central and western Texas, and eastern New Mexico. [2] It is the surface rock of the Boston Mountains and dominates exposures in the Frontal Ouachita Mountains of the Arkansas River Valley. [2]
Pinnacle Mountain is a 1,011-foot (308 m) summit and the second-highest natural point in Pulaski County, Arkansas, United States; it is also the primary attraction of the 2,356-acre (953 ha) Pinnacle Mountain State Park. [2] Located in the foothills of the Ouachita Mountains approximately 13 miles (21 km) northwest of downtown Little Rock ...
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