Kimmswick Limestone

{{Short description|Geologic formation in the United States}}

{{Infobox rockunit

| name = Kimmswick Limestone

| image = KimmswickOzoraMidOrdReceptaculitid.jpg

| caption = Fossil from the Kimmswick Limestone (Missouri)

| type = Formation

| age = Sandbian-Katian (Trentonian-Shermanian)
~{{fossil range|458|446}}

| period = Katian

| prilithology = Limestone

| otherlithology = Sandstone, dolomite

| namedfor = Kimmswick, Jefferson County, Missouri{{cite journal|last1=Ulrich|first1=E.|title=The quarrying industry of Missouri|journal=Missouri Bureau of Geology and Mines |series=2nd Series|date=1904|volume=2|pages=111}}

| namedby = Edward Oscar Ulrich

| year_ts = 1904[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 153]

| region = Arkansas, Illinois, Missouri

| country = United States

| coordinates = {{coord|39.2|N|90.8|W|display=inline,title}}

| paleocoordinates = {{coord|23.1|S|66.0|W|display=inline}}

| unitof =

| subunits =

| underlies = Cape Limestone, Maquoketa Group or the Fernvale Limestone in Arkansas

| overlies = Decorah Shale or Plattin Limestone

| thickness =

| extent =

| area =

| map = {{Location map+ | United States#Missouri

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | United States#Missouri

| lat_deg = 39.2

| lon_deg = -90.8

| mark = Dark Green 004040 pog.svg

| marksize = 10

}}

}}

| map_caption =

}}

The Kimmswick Limestone is an Ordovician geologic formation in Arkansas, Illinois and Missouri. Fossils occurring in the Kimmswick include corals, bryozoans, brachiopods, conodonts, trilobites, crinoids and mollusks.{{Cite web |url=http://www.geology.ar.gov/geology/ozark_ordovician.htm |title=Arkansas Geologic Survey |access-date=2014-08-11 |archive-url=https://web.archive.org/web/20140714131645/http://www.geology.ar.gov/geology/ozark_ordovician.htm |archive-date=2014-07-14 |url-status=dead }}