Cotui Limestone

{{short description|Geological formation in Puerto Rico}}

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| name = Cotui Limestone

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| type = Formation

| age = Cretaceous

| period = Cretaceous

| prilithology = Limestone

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| region = Caribbean

| country = Puerto Rico

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The Cotui Limestone is a geological formation in Puerto Rico. It preserves fossils dating back to the Cretaceous period.{{cite journal |last1=Mattson |first1=Peter H. |title=Geology of the Mayagüez area, Puerto Rico |journal=Geological Society of America Bulletin |date=January 1960 |volume=71 |issue=3 |page=319 |doi=10.1130/0016-7606(1960)71[319:GOTMAP]2.0.CO;2 |url=https://www.researchgate.net/publication/249522423 |access-date=2019-07-18 |archive-date=2024-05-24 |archive-url=https://web.archive.org/web/20240524124437/https://www.researchgate.net/publication/249522423_Geology_of_the_Mayaguez_area_Puerto_Rico |url-status=live }}