St. Louis Limestone

E814327
Mississippian stratigraphic unit carbonate rock unit geologic formation

St. Louis Limestone is a Mississippian-age carbonate rock formation in the central United States, notable for its thick, fossil-bearing marine limestones that are important in regional stratigraphy and hydrocarbon exploration.

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Observed surface forms (1)

Surface form Occurrences
St. Louis Limestone (locally) 1

Statements (48)

Predicate Object
instanceOf Mississippian stratigraphic unit ⓘ
carbonate rock unit ⓘ
geologic formation ⓘ
ageRange Middle Mississippian ⓘ
bedding thick-bedded to massive ⓘ
color typically gray to brownish-gray ⓘ
contains chert nodules in some areas ⓘ
containsFossils brachiopods ⓘ
bryozoans ⓘ
corals ⓘ
crinoids ⓘ
marine invertebrates ⓘ
country United States of America ⓘ
surface form: United States
depositionalSetting epicontinental sea ⓘ
diageneticFeatures dolomitization in local zones ⓘ
economicImportance dimension stone in some localities ⓘ
hydrocarbon reservoir rock in some basins ⓘ
source of crushed stone ⓘ
environmentOfDeposition shallow marine shelf ⓘ
foundIn Illinois Basin NERFINISHED ⓘ
Midcontinent region NERFINISHED ⓘ
geologicAge Mississippian ⓘ
geologicPeriod Carboniferous ⓘ
lithology carbonate rock ⓘ
limestone ⓘ
namedFor St. Louis, Missouri NERFINISHED ⓘ
notableFeature prominent fossil content ⓘ
thick marine limestone beds ⓘ
overlies Salem Limestone NERFINISHED ⓘ
Spergen Limestone NERFINISHED ⓘ
partOf Carboniferous stratigraphy of North America ⓘ
porosityType intergranular and fracture porosity in reservoir intervals ⓘ
primaryLithology marine limestone ⓘ
recognizedIn Illinois NERFINISHED ⓘ
Indiana NERFINISHED ⓘ
Kentucky NERFINISHED ⓘ
Missouri NERFINISHED ⓘ
region central United States ⓘ
roleIn regional stratigraphic correlation in the central United States ⓘ
stratigraphicUnitOf Mississippian System NERFINISHED ⓘ
studiedIn paleontology ⓘ
petroleum geology ⓘ
stratigraphy ⓘ
texture fine- to medium-grained limestone ⓘ
underlies Chesterian formations in some areas ⓘ
Ste. Genevieve Limestone NERFINISHED ⓘ
usedFor construction aggregate ⓘ
industrial limestone ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Harrodsburg Limestone → underlies → St. Louis Limestone ⓘ
Salem Limestone formation → underlies → St. Louis Limestone ⓘ
subject surface form: Salem Limestone
this entity surface form: St. Louis Limestone (locally)