Coffee Mill Hammock Formation

The Coffee Mill Hammock Formation is a geologic formation in Florida. The formation is about two-feet thick and is composed of shell marl. It sits on top of the Fort Thompson Formation and preserves fossils from the Late Pleistocene, predominantly Chione cancellata. It can be seen at Goodno's Landing, Fort Thompson, and at Coffee Mill Hammock, 12 north of LaBelle, Florida, in Glades County.