| Burlington Limestone | |
|---|---|
| Stratigraphic range:Mississippian | |
.JPG) Fossils from the Burlington Limestone | |
| Type | Formation |
| Underlies | Keokuk Limestone |
| Overlies | Elsey Formation,Fern Glen Formation,Pierson Limestone,Chouteau Group orHannibal Shale[1] |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Illinois,Iowa, andMissouri |
| Country | United States |
| Type section | |
| Named for | BurlingtonDes Moines County, Iowa[1] |
TheBurlington Limestone is ageologic formation inMissouri,Iowa and the Midwest region. It preservesfossils dating back to theMississippiansubperiod.
Burlington Limestone is unusually course-grained, crystalline,crinoidallimestone. Its texture is sufficiently distinctive and persistent to permit recognition of the formation commonly on this basis alone. The Burlington Limestone is made of almost entirely on the remains of variousfossils, by far the most important of which arecrinoids. Some portions of the Burlington, however, are not so evidently crinoidal, as for example, the so-called "white ledge" quarried in the northeastern part ofMissouri.[2]
Burlington Limestone is present in nearly all major Mississippian outcrop regions inMissouri. It is known fromIowa to northwesternArkansas and from westernIllinois to westernKansas. It is present throughout Missouri, except in theOzark uplift, where it has been removed byerosion. Differentiation of the Burlington with the overlaying,lithologically similarKeokuk Limestone is often difficult or impossible, so the sequence ofOsagean limestones is sometimes identified as "Burlington-Keokuk Limestone".[2]
 | This article about a specificstratigraphicformation in Iowa is astub. You can help Wikipedia byexpanding it. |
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