Search results
Results from the WOW.Com Content Network
This list of the Paleozoic life of Arkansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
The area of greatest deformation occurred in the Benton-Broken Bow Uplift, which extends from Benton, Arkansas to Broken Bow, Oklahoma. [3] The total height of the Ouachitas is not known, though they may have exceeded 10,000 feet (3,000 m) (based loosely on geologic cross-sections). [14] The terrain has been deeply eroded since the late ...
The St. Joe Formation or St. Joe Limestone Member is a geologic formation or member in northern Arkansas, southern Missouri and northeastern Oklahoma. [1] It preserves fossils of the Mississippian subperiod including crinoids , brachiopods , bryozoa , conodonts , blastoids , ostracods and rugose coral .
Devil's Den State Park is a 2,500-acre (1,000 ha) Arkansas state park in Washington County, near West Fork, Arkansas in the United States. The park was built by the Civilian Conservation Corps, beginning in 1933. Devil's Den State Park is in the Lee Creek Valley in the Boston Mountains, which are the southwestern part of The Ozarks. The park ...
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 life became commonplace.
Collapse breccia (Everton Formation, Middle Ordovician; Rush Creek District, Arkansas, USA) 1. The Everton Formation is a geologic formation in northern Arkansas through Missouri, Illinois and Indiana that dates to the middle Ordovician Period. [3] It was named by Ulrich (1907) for exposures found around Everton, Arkansas.
The Smackover Formation is a geologic formation that extends under parts of Arkansas, Louisiana, Texas, Alabama, Mississippi, and Florida. [1] It preserves fossils dating back to the Jurassic period. The formation is a relic of an ancient sea that left an extensive, porous, and permeable limestone geologic unit.
The "Giant Flowstone" in Blanchard Springs Caverns, seen on the Discovery Tour. Blanchard Springs Caverns is a cave system located in the Ozark–St. Francis National Forest in Stone County in northern Arkansas, USA, 2 miles (3.2 km) off Highway 14 a short distance north of Mountain View. [1]