# NOAA Paleoclimatology Program - Paleocean Site Data # rc24-01-fwc.txt # Complete Data # File Created: 28-Oct-2008 # #********************************************************************************* # Please cite the contributor and the original publications when using these data #********************************************************************************* # # Missing Values indicated by '-999' # # PI: Louisa I. Bradtmiller # Core/Site: RC24-01 # Latitude: 0.33.00N ( 0.55) # Longitude: 13.39.00W ( -13.65) # Water Depth(m): 3837 # # Publications: # Bradtmiller, L.I., R.F. Anderson, M.Q. Fleisher, and L.H. Burckle. 2007. Opal # burial in the equatorial Atlantic Ocean over the last 30 ka: Implications for # glacial-interglacial changes in the ocean silicon cycle. Paleoceanography, 22, # PA4216. #------------------ # # Description & Notes: # Equatorial Atlantic Sediment Composition and Radionuclide Data # RC24-01, RC24-07, RC24-12, RC16-66: Age control- d18O; Data source- Verardo and # McIntyre, 1994. RC13-189, V30-40, V22-182: Age control- 14C; Data source- CLIMAP, # 1976; Mix and Ruddiman, 1985. Note on RC24-12: Apparent negative xs231Pa values # at 135 and 155cm are the result of large authigenic U concentrations at these # depths. Negative xs231Pa values are undefined. # # Variables: # depth Depth (cm) # yrBP radiocarbon years B.P. (Libby half-life; B.P. = 1950) # 230Th.dpm 230-Thorium total (dpm/g) # 230Th.dpm.err 230-Thorium total (dpm/g) Error # 230Th.flux 230Thorium-normalized mass flux (g/cm^2/kyr) # 230Th-xs-0 Excess 230-Thorium concentration (dpm/g) # 231Pa.dpm 231-Protactinium total (dpm/g) # 231Pa.dpm.err 231-Protactinium total (dpm/g) Error # 231Pa/230Thxs0 231 Protactinium/230 Thorium, excess ratio # 231Pa-xs Excess 231-Protactinium total (dpm/g) # 232Th.dpm 232-Thorium total (dpm/g) # 232Th.dpm.err 232-Thorium total (dpm/g) Error # 234U.dpm 234-Uranium total (dpm/g) # 234U.dpm.err 234-Uranium total (dpm/g) Error # 238U.dpm 238-Uranium total (dpm/g) # 238U.dpm.err 238-Uranium total (dpm/g) Error # carb-w% Calcium carbonate weight percent # opal% Opal percent # # CORE: RC24-01 depth yrBP 230Th.dpm 230Th.dpm.err 230Th.flux 230Th-xs-0 231Pa.dpm 231Pa.dpm.err 231Pa/230Thxs0 231Pa-xs 232Th.dpm 232Th.dpm.err 234U.dpm 234U.dpm.err 238U.dpm 238U.dpm.err carb-w% opal% 5 4407 7.266 0.002 1.379 7.029 0.29 0.005 0.042 0.279 0.34 0.007 0.225 0.004 0.21 0.004 81.16 0.35 9 6732.6 7.399 0.002 1.322 7.172 0.295 0.006 0.043 0.285 0.328 0.006 0.206 0.007 0.187 0.007 82.92 0.63 14 8312.7 8.226 0.002 1.171 7.982 0.315 0.008 0.042 0.304 0.356 0.005 0.21 0.005 0.186 0.005 82.21 2.69 21 10084.8 7.444 0.002 1.286 7.15 0.293 0.002 0.044 0.279 0.429 0.005 0.253 0.005 0.233 0.005 81.51 1.59 27 11603.8 6.746 0.005 1.434 6.321 0.301 0.007 0.051 0.281 0.61 0.008 0.441 0.012 0.4 0.012 75.72 4.53 33 13122.8 6.362 0.009 1.528 5.853 0.301 0.01 0.055 0.277 0.689 0.009 0.77 0.019 0.695 0.019 72.32 4.83 39 14641.8 6.976 0.025 1.448 6.089 0.372 0.01 0.063 0.323 0.968 0.011 2.393 0.047 2.137 0.047 58.07 8.63 45 15867.1 7.603 0.046 1.366 6.385 0.406 0.006 0.063 0.33 1.004 0.012 4.584 0.051 4.033 0.051 61.12 8.58 51 17027.7 7.624 0.065 1.392 6.195 0.395 0.008 0.058 0.292 0.682 0.01 7.121 0.106 6.245 0.106 69.38 6.36 71 20896.1 7.55 0.07 1.321 6.301 0.378 0.013 0.06 0.292 0.696 0.011 4.87 0.052 4.316 0.052 68.06 7.52 90 24571.2 7.87 0.038 1.226 6.563 0.391 0.004 0.063 0.308 0.963 0.013 3.86 0.046 3.426 0.046 62.39 8.72 105 27472.5 7.766 0.043 1.208 6.488 0.372 0.011 0.062 0.289 0.835 0.012 3.752 0.066 3.317 0.066 65.7 7.6 150 36176.6 6.472 0.026 1.317 5.49 0.304 0.004 0.067 0.237 0.802 0.009 2.439 0.031 2.211 0.031 66.04 6.95 201 45882 5.943 0.034 1.412 4.684 0.275 0.008 0.072 0.194 0.606 0.012 2.897 0.038 2.565 0.038 73.67 6.14 250 54495.5 6.904 0.015 1.019 5.996 0.159 0.005 0.034 0.106 0.694 0.01 1.592 0.033 1.432 0.033 81.75 3.68 286 60750.6 5.669 0.016 1.227 4.7 0.183 0.003 0.056 0.125 0.977 0.011 1.588 0.028 1.481 0.028 64.17 8.65