New Zealand Natural Radiocarbon Measurements I-V
[RADIOCARBON, VOL. 5, 1963, P. 118-162] NEW ZEALAND NATURAL RADIOCARBON MEASUREMENTS I-V T. L. GRANT-TAYLOR and T. A. RAFTER Science, New Zealand Geological Survey and Institute of Nuclear Zealand Department of Scientific and Industrial Research, Lower Hutt, New This list comprises dating determinations of the New Zealand Radiocarbon Laboratory. in Fergusson All dates listed herein were published previously (NZ-1-78 in Fergusson and Rafter, 1959) ; and Rafter, 1953, 1955, 1957) ; NZ-79-264 NZ-265 in Grant-Taylor and Rafter, 1962. onward by NZ-1-4 were counted by the solid-carbon method and NZ-10 Rafter (1953, gas-counting methods; details of the methods are given in allowance 1955a) and Fergusson and Rafter (1953, 1955). Where possible, secondary stand- has been made for biological fractionation effects by use of by McCallum ards (Rafter, 1953b). The accuracy of the methods is discussed (1955). carbon in The ages reported have a correction of 120 yr for industrial shallow seas. material that lived on land and of 100 yr in material that lived in has been ex- Material from deep oceanic environments and from Antarctica (Fergusson cluded from this list, even though it may have appeared previously the deep oceans and Rafter, 1957, 1959). It has become clear that material in C14 "dates" on such is formed with a content that varies considerably, and significance material have an initial uncertainty that may exceed 3000 yr. The age. that can be attached to such dates is no more than an upper limit of in In the list, grid references are given for most New Zealand localities The age terms of the National 1000-yd grids published in NZMS-1 maps.
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