Archaeological Investigations at Yourhaney Plantation (38GE18)

226Table 39. Attributes of Projectile Points from 38GE18.Type Material L W T BL HW NotesHump couldn't be removed –Triangular Porphyritic Rhyolite unk. 2.4 0.9tip broken (Bag 97)Triangular Porphyritic Rhyolite unk. 2.5 0.6 tip broken (Bag 157)Triangular Plain Rhyolite unk. 1.9 0.5 tip broken (Bag 68)Small Savannah RiverStemmed Orthoquartzite 5.3 3.5 1.1 4.5 2 Bag 7Morrow Mountain II Porphytric Rhyolite 4.3 3 1.2 2.6 1.9 Bag 2Palmer Corner Notched Flow Banded Rhyolite 3.4 2.2 1 2.6 1.2 very tip end broken off (Bag 8)Projectile PointsTOOLSRelatively few projectile points were recovered from the excavations at Yauhannah Bluff. A total ofsix points were recovered and their characteristics are presented in Table 39. Three triangularpoints were recovered, which were manufactured from metavolcanic materials. One appears tohave broken during manufacture, as it had a large hump on one side that apparently could not beremoved. Their width ranged from 1.9 to 2.5 cms and thickness (without the hump) ranged from0.5 to 0.6 cms. A trend for decreasing triangular size through time occurs from the MiddleWoodland on (Coe 1964; Keel 1976). Basal width of triangular points has been thought to be apotentially good discriminator of temporal affiliation. At 38SU83 in the Upper Coastal Plain,Blanton (et al. 1986) was able to delineate three distinct groups of triangular point. Those withbases averaging 1.2 cm were attributed to the Pee Dee (Mississippian) component. Pointsassociated with the other two groups all had basal widths of not less than 1.7 cms and weregenerally deposited deep. They were in association with Woodland assemblages. A roughlysimilar pattern was observed at the Mattasee Lake sites on the Santee River (Anderson et al. 1982:151-155). It is therefore assumed that these are all affiliated with Woodland contexts. Thesepoints were recovered from Feature 108, which was a burned tree (Bag 68), Feature 141 – anhistoric post (Bag 97), and Feature 288 – another historic post (Bag 157).The Small Savannah River Stemmed point was surface collected from grid point N510E548 (Bag7), which is in the vicinity of the stick and clay chimney associated with the main plantation house.Savannah River Stemmed points date from the Late Archaic to Early Woodland periods. Oliver(1985) and Coe (1964) indicate that Savannah River Stemmed points become smaller over timewith the evolution being Savannah River Stemmed, Small Savannah River Stemmed, and GypsyStemmed. Oliver (1985) states that the Small Savannah River Stemmed marks the terminal part ofthe Late Archaic Period.The Morrow Mountain II point was surface collected during the mechanical stripping of the site(Bag 2). According to Coe (1964: 37) Morrow Mountain II points are typically 3.0 to 8.0 inlength, averaging 6.0 cms. The width ranges from 1.8 to 3.0, averaging 2.0 cms.