Florida's shell mounds started around 4000 BCE as Archaic-period trash middens of discarded oyster, clam and freshwater mollusk shells. Abundant shellfish let people settle year-round instead of migrating seasonally. Mounds were capped with clay, likely first to cut odor, then became platforms for leaders addressing crowds — and later cemeteries. They are the earliest shell mounds in North America. 🐚
Florida's shell mounds grew from c. 4000 BCE middens into cemeteries and pyramids
Key facts
- Florida's earthen and shell pyramids contain large amounts of shell because shellfish remained a primary food source for thousands of years, including after corn agriculture arrived
- Mississippian civilization began around 900 CE along the Mississippi River and spread over the following centuries to Florida
- Shell mounds began around 4000 BCE in the Archaic period as accumulations of discarded oyster, clam and freshwater mollusk shells, essentially trash middens, long before corn agriculture reached Florida
- Abundant shellfish resources allowed Florida's indigenous groups to abandon nomadic seasonal migration and settle in the same places year-round
- The shell piles were capped with clay, probably at first to reduce odor; as populations grew the capped piles became community landmarks on which leaders addressed gatherings
- Burials were later placed inside the shell mounds, turning what had been trash piles into cemeteries and important community gathering places
- Archaic shell mounds of Florida and Georgia are chronologically the first in North America; the pattern was later replicated along rivers from Ohio to Alabama, with many mounds containing burials and clay caps and some with pet dogs buried alongside their owners
Sources
Mounds and Middensfloridastateparks.org
Mounds Archaeological State Park is the tallest in Florida, made with an estimated 27 million gallons of a soil-shell mixture and encased in clay.
Green Mounden.wikipedia.org
Green Mound is one of the largest Pre-Columbian shell mounds, or shell middens, Located in Ponce Inlet, Florida, Archaeological investigations of Green Mound, ...
Shell Moundfnai.org
Archeological evidence indicates they were occupied at the time Europeans first landed in Florida. Several are now surrounded by mangroves,
How Jeffries Wyman put Florida and Shell Mounds on ...archaeologybulletin.org
by AR Randall · 2015 · Cited by 11 — The state of Florida is an intermittent flashpoint of shell mound research. This process was initiated in the 19th century by Jeffries Wyman,
Shell Mound Summer Solstice Feastslsa.anthro.ufl.edu
A spectacular archaeological site with a generic name lies on the end of a peninsula about 12 km north of the town of Cedar Key.
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