Boone Formation

{{Short description|Geologic formation in northwest Arkansas and northeast Oklahoma, United States}}

{{Infobox rockunit

| name = Boone Limestone

| image = BooneFormation.jpg

| caption = Boone Formation along I-49 near the Arkansas-Missouri border

| type = Formation

| age = Mississippian

| period = Mississippian

| prilithology = Limestone

| otherlithology = Chert

| namedfor = Boone County, Arkansas

| namedby = John Casper Branner and Frederick William Simonds, 1891[http://www.dnr.mo.gov/geology/geosrv/ogc/docs/RI-073.pdf Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 38]{{cite journal|last1=Branner|first1=J.C.|title=Introduction|journal=Arkansas Geological Survey Annual Report 1888|date=1891|volume=4|page=xiii}}{{cite journal|last1=Simonds|first1=F.W.|title=The geology of Washington County|journal=Arkansas Geological Survey Annual Report 1888|date=1891|volume=4|pages=27–37}}

| region = Arkansas, Missouri, Oklahoma

| country = United States

| coordinates =

| unitof =

| subunits = St. Joe Limestone Member

| underlies = Batesville Formation

| overlies = Chattanooga Formation

| thickness =

| extent =

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The Boone Formation a discrete and definable unit of cherty limestone rock strata located in northwest Arkansas, Missouri and northeast Oklahoma.{{cite web | last = Buckland | first = Karen Nicole Mason | title = A Geomechanical Study of the Mississippian Boone Formation | publisher = University of Arkansas | date = August 2013 | url = http://gradworks.umi.com/15/41/1541405.html}}

The stratigraphy of the Boone Formation dates to the Mississippian age.

The Boone Formation is rich in fossils, and occasionally preserves the remains of sharks' teeth in outcrops along Buffalo National River.{{cite web | last1 = Hunt | first1 = ReBecca K. | last2 = Santucci | first2 = Vincent L. | last3 = Kenworthy | first3 = Jason | title = A Preliminary Inventory of Fossil Fish from National Park Service Units | publisher = New Mexico Museum of Natural History and Science Bulletin | year = 2006 | url = http://www.nature.nps.gov/Geology/paleontology/Publications/surveys/thematic/HUNT_SANTUCCI_KENWORTHY_2006_NPS_FOSSIL_FISH.pdf| archive-url = https://web.archive.org/web/20150905100512/http://nature.nps.gov/geology/paleontology/Publications/surveys/thematic/HUNT_SANTUCCI_KENWORTHY_2006_NPS_FOSSIL_FISH.pdf| url-status = dead| archive-date = September 5, 2015}}{{rp|64}}

Equivalent rocks of the Osagean in southwest Missouri include the Pierson Limestone, Fern Glen Formation, Reeds Spring Formation, Elsey Formation (including the Grand Falls Chert), Burlington Limestone and the Keokuk Limestone.