Named after the Irene site, 9Ch1, in the northern portion of Savannah excavated in the late 1930s.
Related to Lamar Plain.
Burnished plain pottery on grit-tempered pottery.
Vessels have a wide variety of forms, including bowls with incurving or straight rims, flared rim jars, and specialty forms such as boat-shaped vessels.
Late Mississippian Irene period.
The name for this type is only used on the Georgia Coast.
DePratter 1991:193.