University of Wisconsin Radiocarbon Dates XVI

Abstract

Procedures and equipment have been described in previous date lists. Except as otherwise indicated, wood, charcoal and peat samples are pretreated with dilute NaOH and dilute H: PO.I before conversion to the counting gas methane; marls and lake cores are treated with acid only. Very calcareous materials are treated with HC1 instead of HYO4.The dates reported have been calculated using 5568 as the half-life of '4C with 1950 as the reference year. The standard deviation quoted includes only the 1o-of the counting statistics of background, sample, and standard counts. Background methane is prepared from anthracite, standard methane from NBS oxalic acid. The activities of the dated samples for which 813C values are listed have been corrected to correspond to a 813C value of -25%0.Sample descriptions are based on information supplied by those who submitted samples. ACKNOWLEDGMENTS

Time and Archaeological Traditions in the Lower Illinois Valley

“…Sedation of genetic variation between groups of human remains recovered from individual 1980+80 1980+70 1980±75 1960+70 1955+60 1940+125 1940+70 1940±75 1940±70 1940±70 1940±70 1930+125 1910±70 1900+70 1890+70 1880+120 1860+140 1850±80 1850+105 1835+70 1820+70 1820+160 1810±75 1800+70 1775±75 1770+130 1767±51 1760+100 1755+60 1720+125 1700+120 1550+125 1260±70 . (Crane and Griffin 1968) (Charles, Leigh and ) (Asch 1990) (Buikstra et al 1998) (Charles, Leigh and Buikstra 1988) (Asch 1990) (Buikstra et al 1998) (Farnsworth and Asch 1986) (Charles, Leigh and Buikstra 1988) (Crane andGriffin 1962) (Buikstra et al 1998) (Bender et al 1979) (Crane and Griffin 1958a) (Charles, Leigh and Buikstra 1988) (Crane and Griffin 1962) (Asch 1990) (Buikstra et al 1998) (Buikstra et al 1998) (Crane and Griffin 1958a) (Buikstra et al 1998) (Buikstra et al 1998) (Asch 1990 are single inhumations.…”

Peatlands and Histosols in Canaan Valley National Wildlife Refuge, West Virginia

“…obtained one radiocarbon date of ~6,000 cal yr BP from reed-sedge peat, not from the base of the organic soils. Collectively published data on Allegheny Mountain peatlands indicate a wide age range for the initiation of peat accumulation (Table 2-1), from ~16,400 cal yr BP and ~15,000 cal yr BP (Maxwell and Davis, 1972) at Buckles Bog, ~11,000 cal yr BP (Arnold and Libby, 1951) and ~5,600 cal yr BP (Bender et al, 1979(Bender et al, , 1977Watts, 1979) at Cranberry Glades, ~5,400 cal yr BP at Big Run Bog (Larabee, 1986), to ~1,000 cal yr BP at Cranesville Swamp (Booth et al, 2016 Matchen et al, 1999). Projecting through limestone bottomlands in the valley center, a low, elongated ridge corresponds to the axis of the anticline; it is comprised of coarse-grained sandstone of the Price Formation .…”

“…Allegheny Mountain peatlands (Figure 2-1): Big Run Bog (Larabee, 1986), Buckles Bog (Maxwell and Davis, 1972), Cranesville Swamp (Booth et al, 2016;Cox, 1968), four peatlands within Cranberry Glades (Bender et al, 1977(Bender et al, , 1979Darlington, 1943;Edens, 1973;Watts, 1979), and one peatland within Canaan Valley , which was reexamined for this study. Most published Allegheny Mountain peatland chronologies share a proposed developmental history beginning in the late Pleistocene or Holocene as an open body of water accumulating limnic sediments that evolves through a transitional process of terrestrialization, first into a wetland accumulating organic-rich clays, and then into a peatland accumulating organic soils.…”

“…Recently, Booth et al (2016) (Darlington, 1943;Edens, 1973), transitioned into a wetland accumulating organic clay at ~14,100 cal yr BP and finally into a peatland accumulating peat beginning at ~5,600 cal yr BP (Bender et al, 1979(Bender et al, , 1977Watts, 1979). Darlington (1943) described over 150 cores from Cranesville Swamp, before the advent of radiocarbon dating.…”