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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 ...
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 ...
Novaculite, also called Arkansas Stone, is a microcrystalline to cryptocrystalline rock type that consists of silica in the form of chert or flint. It is commonly white to grey or black in color, with a specific gravity that ranges from 2.2 to 2.5. It is used in the production of sharpening stones. It occurs in parts of Arkansas, Oklahoma, and ...
The Penters Chert is a Devonian geologic formation in the Ozark Plateaus of Arkansas. Its thickness ranges up to 90'. [3] The name was introduced in 1921 by Hugh Dinsmore Miser in his study of Arkansas. [5] Miser designated a type locality near the old Penters Bluff railroad station in Izard County, Arkansas, however, he did not assign a ...
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, and Oklahoma, as well as a small area in the southeastern corner of Kansas. [1]
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]
Mount Magazine is located due north of Blue Mountain Lake in Logan County, Arkansas, approximately 45 mi (72 km) east of the Arkansas-Oklahoma border. The most scenic route to the top is a 10 mi (16 km) drive along Highway 309 (also known as the Mount Magazine Scenic Byway) from Havana. Physiographically, Mount Magazine is part of the Frontal ...