De Queen Formation

{{short description|Geological formation in Arkansas, United States}}

{{Infobox rockunit

| name = De Queen Formation

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| type = Geological formation

| period = Cretaceous

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| namedfor = De Queen, Sevier County, Arkansas

| namedby = Hugh Dismore Miser and Albert Homer Purdue{{cite journal|last1=Miser|first1=H.D.|last2=Purdue|first2=A.H.|title=Gravel deposits of the Caddo Gap and De Queen quadrangles, Arkansas|journal=U.S. Geological Survey Bulletin|date=1919|volume=690|pages=18, 19, 22, pl. 1}}

| region = Arkansas

| country = United States

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| unitof = Trinity Group

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The De Queen Formation, formerly known as the DeQueen Limestone Member{{cite conference |title=Suggested nomenclature change and new reference locality for Dequeen Formation, Pike County, Arkansas |conference=American Association of Petroleum Geologists eastern section meeting, Carbondale, IL, USA, 3 Oct 1983 |author1=Ham, T. L. |author2=Landry, R. J. |date= 1983-09-01 |osti=6625586}} is a Mesozoic geological formation located in southwestern Arkansas and southeastern Oklahoma in the United States. Fossil sauropod and theropod tracks have been reported from the formation.Weishampel, et al. (2004). "Dinosaur distribution." pp. 517–607.{{cite journal |last1= Boss |first1= Steven |last2= Cothren |first2= J.|last3= Suarez |first3= C. |last4= Williamson |first4= M. |last5 = Platt |first5= B. |last6 = Kvamme |first6= J. |year= 2012 |title= Wide-Field LIDAR Imaging and online interactive Measurement of a Dinosaur Trackway Site from Southwest Arkansas, USA|journal= Geological Society of America Abstracts with Programs |volume=44 |issue=7 |page= 404 |publisher= Geological Society of America (GSA) |url=https://gsa.confex.com/gsa/2012AM/finalprogram/abstract_211604.htm |access-date=April 11, 2013}} It preserves fossils dating back to the Cretaceous period,{{Cite web |title=NSF RAPID: Salvaging a newly discovered dinosaur trackway from southwest Arkansas, USA. |first=Stephen |last=Boss |url=https://www.nsf.gov/awardsearch/showAward?AWD_ID=1143968 |year=2011 |access-date=May 3, 2019}} particularly the Albian age.