/* DATA DESCRIPTION: Citation: Ruddiman, William F; Raymo, Maureen E; Martinson, Douglas G; Clement, Bradford M; Backman, Jan (1989): (Table 7) Estimates of magnetic reversal ages from stable oxygen isotope record of DSDP Site 94-609 in the North Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.52376, In supplement to: Ruddiman, WF et al. (1989): Pleistocene evolution: northern hemisphere ice sheets and North Atlantic Ocean. Paleoceanography, 4(4), 353-412, https://doi.org/10.1029/PA004i004p00353 Project(s): Deep Sea Drilling Project (DSDP) (URI: http://www.deepseadrilling.org/) Coverage: LATITUDE: 49.877800 * LONGITUDE: -24.238200 DATE/TIME START: 1983-07-22T00:00:00 * DATE/TIME END: 1983-07-22T00:00:00 MINIMUM ELEVATION: -3883.0 m * MAXIMUM ELEVATION: -3883.0 m Event(s): 94-609_Site * LATITUDE: 49.877800 * LONGITUDE: -24.238200 * DATE/TIME: 1983-07-22T00:00:00 * ELEVATION: -3883.0 m * Penetration: 9.875 m * Recovery: 6.624 m * LOCATION: North Atlantic/FLANK * CAMPAIGN: Leg94 (URI: https://doi.org/10.2973/dsdp.proc.94.1987) * BASIS: Glomar Challenger (URI: http://www-odp.tamu.edu/glomar.html) * METHOD/DEVICE: Composite Core (COMPCORE) * COMMENT: 85 cores; 802.1 m cored; 38.4 m drilled; 82.6% recovery Parameter(s): AGE [ka BP] (Age) * GEOCODE Age, minimum/young [ka] (Age min) * PI: Ruddiman, William F Age, maximum/old [ka] (Age max) * PI: Ruddiman, William F Ageprofile Datum Description (Ageprof dat des) * PI: Ruddiman, William F Age, dated [ka] (Age dated) * PI: Ruddiman, William F * METHOD/DEVICE: Age, 40K/40Ar Potassium-Argon Age, comment (Comm) * PI: Ruddiman, William F License: Creative Commons Attribution 3.0 Unported (CC-BY-3.0) (URI: https://creativecommons.org/licenses/by/3.0/) Size: 22 data points */ Age [ka BP] Age min [ka] Age max [ka] Ageprof dat des Age dated [ka] Comm 731.0 728 734 Brunhes/Matuyama 730 Tuned estimate of Imbrie et al. (1984) is 0.734 Ma 889.5 888 891 Top of Jaramillo 900 980.5 978 983 Bottom of Jaramillo 970 1082.5 1077 1088 Cobb Mountain 1100 1634.0 1630 1638 Top of Olduvai 1660 calculated by interpolating age of magnetic anomalies on seafloor relative to K/Ar-dated top and bottom Matuyama Chron