| 词条 | Winslow Formation |
| 释义 |
| name = Winslow Formation | image = | caption = | type = Formation | age = Carboniferous: Pennsylvanian | prilithology = | otherlithology = | namedfor = Winslow, Washington County, Arkansas | namedby = George Irving Adams and Edward Oscar Ulrich[1] | region = Arkansas | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Winslow Formation was a geologic formation in Arkansas, now abandoned and replaced by the Atoka Formation, the Hartshorne Formation, and the lower McAlester Formation (previously Spadra Shale[2])[3][4]. It preserves fossils dating back to the Carboniferous period. See also{{Portal|Earth sciences|Arkansas|Paleontology|Carboniferous|Paleozoic}}
References1. ^{{cite journal|last1=Adams|first1=G.I.|last2=Ulrich|first2=E.O.|title=Zinc and lead deposits of northern Arkansas|journal=U.S. Geological Survey Professional Paper|date=1904|volume=24|pages=29}} 2. ^{{cite journal|last1=Hendricks|first1=T.A.|last2=Parks|first2=B.|title=Geology of the Fort Smith District|journal=U.S. Geological Survey Professional Paper|date=1950|volume=221-E}} 3. ^{{cite journal|last1=Collier|first1=A.J.|title=The Arkansas coal field|journal=U.S. Geological Survey Bulletin|date=1907|volume=326}} 4. ^{{cite book|last1=Purdue|first1=A.H.|title=Slates of Arkansas|date=1909|publisher=Geological Survey of Arkansas}}
2 : Carboniferous Arkansas|Carboniferous southern paleotropical deposits |
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