This pottery was recovered from the Ireibaru C Site on Camp Lester. It is of a type referred to as the Sobata Type. It is from the Jomon Period of Japanese prehistory and has a date range of ca. 4500 - 5300 years before present. The predominate surface treatment for this pottery is incised lines or punctated. This pottery is mainly associated with the Jomon cultures of mainland Japan, and there have been only a few sites in Okinawa that have yielded such good examples as those from Ireibaru C.
This photo provides a glimpse into an excavation layer from Ireibaru C. This particular layer is a continuation of the Sobata layer that yielded the pottery pictured above. As you may notice, the artifacts have been pedestaled so that they can be photographed and figures drawn before removal. The artifact in the upper right corner of the photo (along the wall) is an hand axe. Many of these stone tools, in various sizes, have been recovered from the Ireibaru C site. It appears that they were manufactured from a local green clay shale.
Archaeologists at work in one of the local excellent Chinese restaurants in Naha, Okinawa. This is during a night out during recent work on the inventory of cultural resources on the Marine Corps Camp Kinser. That's me on the left, and Dr. David Welch (with the beard) on the right.
A night out in Naha with friends. Being an archaeologist in Okinawa isn't all work all of the time.