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Pedersen, Thomas F; Shimmield, Graham (1991): Chemistry of interstitial waters of ODP Leg 117 samples (Table 1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.757151, Supplement to: Pedersen, TF; Shimmield, G (1991): Interstitial water chemistry, Leg 117: contrasts with the Peru margin. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 499-513, https://doi.org/10.2973/odp.proc.sr.117.152.1991

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Abstract:
Interstitial water analyses made at 12 sites during Leg 117 are used to define the nature of diagenetic reactions in organic-rich sediments on the Owen Ridge and Oman Margin. Minor variations in chloride concentration profiles are ascribed to past changes in bottom water salinity at two mid-depth margin sites and to upward migration of low salinity water at another. There is no evidence for subsurface brine movement, unlike the case on the Peru Margin. Dolomitization is widespread and accounts for the depletions of magnesium observed in pore waters at variable depths at nearly all sites. The mineral occurs both as disseminated euhedral limpid crystals and, in at least one location, in massive stringers. Formation of the latter is suggested to reflect precipitation during sea level transgressions when the sedimentation rate was low, but when productivity was high. Authigenic carbonate fluorapatite is also widespread, the phosphorus being derived from the breakdown of organic matter. Sulfate is quantitatively depleted at depth at most locations but the rate of depletion is markedly less than that observed on the Peru Margin where sedimentation is also similarly influenced by high rates of upwelling. The reason for this contrast is not clear and merits further investigation.
Project(s):
Coverage:
Median Latitude: 17.466144 * Median Longitude: 58.527550 * South-bound Latitude: 16.130700 * West-bound Longitude: 57.371500 * North-bound Latitude: 18.487300 * East-bound Longitude: 60.744000
Date/Time Start: 1987-08-29T11:15:00 * Date/Time End: 1987-10-09T16:45:00
Minimum DEPTH, sediment/rock: 1.45 m * Maximum DEPTH, sediment/rock: 988.90 m
Event(s):
117-720A  * Latitude: 16.130700 * Longitude: 60.744000 * Date/Time Start: 1987-08-29T11:15:00 * Date/Time End: 1987-09-02T21:00:00 * Elevation: -4045.0 m * Penetration: 414.3 m * Recovery: 89.41 m * Location: Arabian Sea * Campaign: Leg117 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 414.3 m cored; 0 m drilled; 21.6 % recovery
117-721  * Latitude: 16.677800 * Longitude: 59.864500 * Date/Time Start: 1987-09-03T00:00:00 * Date/Time End: 1987-09-06T00:00:00 * Elevation: -1949.7 m * Penetration: 648.6 m * Recovery: 565.8 m * Location: Arabian Sea * Campaign: Leg117 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 68 cores; 648.6 m cored; 0 m drilled; 87.2% recovery
117-722  * Latitude: 16.621800 * Longitude: 59.795300 * Date/Time Start: 1987-09-07T00:00:00 * Date/Time End: 1987-09-13T00:00:00 * Elevation: -2033.5 m * Penetration: 845.6 m * Recovery: 611.8 m * Location: Arabian Sea * Campaign: Leg117 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 88 cores; 845.1 m cored; 0 m drilled; 72.4% recovery
Size:
2195 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Sample label

Depth sed [m]

pH

AT [mmol(eq)/l]

Sal

Mg [mmol/l]

Ca [mmol/l]

Cl- [mmol/l]
10 
[SO4]2- [mmol/l]
11 
[PO4]3- [µmol/l]
12 
[NH4]+ [mmol/l]
13 
SiO2 [µmol/l]
14 
Mg/Ca
15 
DOC [AU]
117-720A 117-720A-1H-4,145-1505.957.545.0834.350.287.8555421.409.60.586266.41
117-720A117-720A-3H-3,145-15023.457.806.7333.041.194.735588.5013.91.181628.71
117-720A117-720A-7X-1,145-15059.057.685.5831.831.405.915440.001.92.012185.31
117-720A117-720A-11X-2,145-15099.357.553.8832.231.227.295460.001.52.793914.28
117-720A117-720A-16X-1,145-150146.157.793.1231.730.886.355430.001.63.092334.86
117-720A117-720A-19X-2,140-150176.608.004.0931.029.986.555450.001.02.471164.58
117-720A117-720A-24X-1,140-150223.407.9731.031.076.895480.000.62.431214.51
117-720A117-720A-30X-1,145-150284.257.635.6830.628.936.815430.003.83.1210144.25
117-720A117-720A-40X-1,140-150377.307.962.5031.826.329.365470.000.22.19802.88
117-721 117-721A-1H-6,145-1508.957.385.4734.349.257.6155620.908.70.608556.47
117-721117-721B-3H-5,145-15026.557.666.9934.245.357.0155715.008.61.038466.47
117-721117-721A-3H-6,145-15028.4533.743.166.7555212.0010.31.269146.39
117-721117-721B-6H-4,145-15054.057.749.0233.537.425.945586.8012.41.6611006.30
117-721117-721A-6H-6,145-15057.457.8832.036.296.205546.1030.71.8410755.85
117-721117-721B-9H-4,145-15082.357.4210.7232.232.775.935562.8012.02.0710835.53
117-721117-721A-9H-6,145-15085.757.7611.5632.231.816.105542.0013.21.9911175.21
117-721I-121-1,0-1100.008.029.7532.333.396.085560.002.22.1910245.49
117-721117-721B-12X-1,145-150106.657.6110.5532.230.546.425600.5012.92.3710754.76
117-721I-151-1,0-1129.007.8410.5731.730.376.925590.0023.22.489484.39
117-721117-721B-15X-5,145-150141.557.289.5832.229.267.545620.009.72.329483.88
117-721117-721B-18X-5,145-150170.657.288.8732.228.187.995570.206.32.518893.53
117-721117-721B-22X-5,145-150209.457.317.7732.027.448.895640.004.92.347453.09
117-721117-721B-24X-2,140-150224.207.237.3632.226.319.315570.003.82.398722.83
117-721117-721B-27X-3,145-150254.257.265.9032.226.269.445570.002.62.147702.78
117-721117-721B-30X-2,140-150282.107.425.2032.226.149.795590.005.31.968972.67
117-721117-721B-33X-1,140-150309.807.414.3432.226.589.675630.003.61.917622.75
117-721117-721B-36X-1,140-150338.807.333.6032.225.499.895670.000.51.791782.58
117-721117-721B-40X-5,140-150383.307.782.5932.226.1310.835670.000.41.072802.41
117-721117-721B-44X,140-150421.907.941.6333.026.7411.965734.600.81.06512.24
117-722 117-722A-1H-4,145-1505.957.485.0033.049.908.2254923.007.20.516786.07
117-722117-722A-3H-4,145-15025.357.616.7533.044.606.8855514.809.91.208936.49
117-722117-722A-6H-4,145-15054.157.738.0532.537.006.105548.108.81.821046.07
117-722117-722A-9H-4,145-15082.757.799.1132.334.406.185563.507.81.9210325.56
117-722117-722A-12X-4,145-150111.857.617.9432.230.807.155551.007.42.1410424.31
117-722117-722A-15X-5,145-150142.357.566.9132.028.997.485590.704.52.3110123.88
117-722117-722A-19X-4,145-150179.557.496.2532.029.178.715560.703.22.139163.35
117-722117-722A-22X-4,145-150208.657.335.6331.827.869.555581.002.72.1510142.92
117-722117-722A-27X-2,140-145253.907.324.9132.327.3110.105620.002.42.0811902.70
117-722117-722B-27X-4,140-150252.407.674.8531.827.1410.145630.002.01.9311902.68
117-722I-30X-1,0-1275.607.354.0234.439.4211.475661.002.31.598463.44
117-722117-722B-31X-4,140-150291.207.384.1632.027.2611.215650.001.51.9212572.43
117-722117-722B-34X-2,140-150317.207.483.6832.529.2111.985631.001.51.5611612.44
117-722117-722B-37X-5,140-150350.807.193.0232.427.1512.885661.000.71.5112082.11
117-722117-722B-40X-2,140-150375.407.442.1132.627.7013.415682.400.71.196462.07
117-722117-722B-43X-2,140-150404.307.491.4932.828.0013.585702.400.01.211672.06
117-722117-722B-46X-5,140-150437.907.531.8333.029.2015.485693.500.90.633201.89
117-722117-722B-49X-1,140-150463.807.581.8132.028.1715.585483.900.30.612261.81
117-722117-722B-52X-5,140-150495.607.661.6232.829.0817.155584.600.30.433221.70
117-722117-722B-58X-4,140-150552.107.631.6933.028.9418.695623.500.40.413611.55
117-723 117-723C-1H-2,145-1502.957.7010.4555.667.7720.6012.01.204777.16
117-723117-723A-1H-4,145-1505.957.657.4236.054.158.5856823.209.51.224236.31
117-723117-723C-1H-5,145-1507.457.8012.0455.097.0718.1015.21.405627.79
117-723117-723C-2H-2,145-15010.757.8012.7152.996.8816.6010.81.567037.70
117-723117-723C-2H-5,145-15015.258.0013.9954.696.7616.308.11.815808.09
117-723117-723C-3H-2,145-15020.458.1017.3551.256.5611.806.92.046257.81
117-723117-723A-3H-4,145-15023.458.1418.4035.048.287.2656912.2024.62.519376.65
117-723117-723C-3H-5,145-15024.958.1020.6644.676.016.106.72.137707.43
117-723117-723C-4H-2,145-15030.058.0027.3937.995.7213.008.43.897996.64
117-723117-723C-4H-5,145-15034.557.7029.6837.125.568.508.35.808386.68
117-723117-723C-5H-2,145-15039.757.8032.5035.575.532.2013.06.9110306.43
117-723117-723C-5H-5,145-15044.257.8035.2637.715.290.0011.49.1310047.13
117-723I-61-1,0-146.407.7030.1741.407.364.6043.67.7711105.58
117-723117-723C-6H-2,145-15049.357.6036.2836.565.090.7014.411.699917.18
117-723117-723A-6H-4,145-15052.357.3840.6034.235.265.175590.0019.912.179916.82
117-723117-723C-6H-5,145-15053.857.8036.4734.924.910.0018.212.9610827.11
117-723117-723C-7H-3,145-15059.467.6041.4535.334.741.6016.715.0910307.45
117-723117-723C-7H-6,145-15063.967.8045.3336.624.480.0016.016.0610538.17
117-723I-81-1,0-165.807.6043.9643.967.997.3019.413.0810775.50
117-723117-723C-8H-2,145-15068.757.7043.8536.793.990.7019.418.1410829.22
117-723117-723C-8H-5,145-15073.257.8035.6735.673.450.0019.220.03107710.34
117-723I-91-1,0-175.407.7058.9138.617.320.706.817.7712305.27
117-723117-723A-9H-4,145-15081.357.5847.2034.233.123.255530.0023.220.4694110.19
117-723117-723A-13X-4,140-150120.057.4973.9035.433.094.045400.0037.428.2910208.19
117-723117-723A-17X-1,145-150154.2576.3035.028.652.665340.0029.535.25106210.77
117-723117-723A-20X-4,145-150187.757.2682.4035.425.983.005340.0027.737.0410858.66
117-723117-723A-23X-1,145-150212.257.9688.5035.222.821.775320.0037.84104212.89
117-723117-723A-26X-3,145-150244.257.5191.6035.522.602.765290.6032.539.6210528.19
117-723117-723A-29X-6,145-150277.657.5597.7035.020.652.075311.1031.341.0012119.98
117-723117-723A-32X-5,145-150304.957.4797.8035.218.922.395290.4034.640.0011447.65
117-723117-723A-36X-5,145-150333.547.21106.8036.019.092.745331.6032.340.4011966.97
117-723117-723A-39X-5,145-150362.457.0693.9036.017.352.925331.9029.840.4012115.94
117-723117-723A-42X-1,140-150385.407.81106.7036.016.674.085272.2027.437.0014014.09
117-724 117-724C-1H-1,145-1501.457.605.0035.955.4910.2956526.303.20.503305.30
117-724117-724A-1H-3,145-1504.458.105.4035.051.248.5957019.403.81.025125.98
117-724117-724C-2H-4,145-1508.758.006.4036.555.328.7456423.504.50.653956.33
117-724117-724A-3H-4,145-15021.857.675.7435.045.969.0357213.907.31.354665.09
117-724117-724C-3H-4,145-15018.158.206.9036.351.649.1657422.105.30.764045.64
117-724117-724C-4H-4,145-15027.658.208.6836.245.389.7857513.903.71.024834.64
117-724117-724C-5H-4,145-15037.158.3012.7035.039.648.845786.601.71.706754.48
117-724117-724B-6X-3,145-15049.4513.0234.032.357.475780.902.72.359634.33
117-724117-724B-9X-4,145-15079.957.8113.9133.025.706.575610.707.17.6111483.91
117-724117-724B-12X-5,145-150110.457.7019.6632.525.326.005551.108.512.339984.22
117-724117-724B-16X-4,145-150147.657.7021.6832.523.314.755571.803.515.049844.91
117-724117-724B-19X-4,145-150176.657.7028.4532.520.794.725540.704.518.3710174.40
117-724117-724B-23X-3,145-150213.857.1027.1833.518.744.555551.507.719.2910734.12
117-724117-724B-25X-4,145-150234.657.0028.7533.817.304.805581.807.719.4911383.60
117-725A 117-725A-1H-2,145-1502.957.703.6735.654.3210.6357627.202.80.651835.11
117-725B 117-725B-5X-1,145-15037.658.154.7735.646.1113.0358321.301.61.403103.54
117-725C 117-725C-3H-4,145-15024.558.374.6635.546.9511.9658421.501.21.022483.93
117-725C117-725C-6X-2,145-15050.458.2910.5635.443.6012.0058715.506.43.109143.63
117-725C117-725C-9X-3,145-15080.558.0517.3136.041.9013.4959213.503.64.5312723.11
117-725C117-725C-12X-3,145-150109.357.9627.1634.831.128.755830.805.19.1511953.56
117-725C117-725C-15X-4,145-150139.758.3232.2034.227.417.345691.102.016.4712623.73
117-725C117-725C-17X-5,145-150160.657.9533.9334.222.135.395650.802.021.3411354.11
117-726A 117-726A-1H-4,145-1505.957.934.4135.853.3111.1557426.502.10.071474.78
117-726A117-726A-3H-4,145-15022.257.763.0436.350.9613.4258226.400.70.222513.80
117-726AI-4H-7,0-134.807.802.6936.350.7113.6758826.101.10.274613.71
117-726A117-726A-6H-4,145-15050.657.785.4336.345.8915.8058822.607.00.588852.90
117-726A117-726A-9X-2,145-15076.157.895.6336.345.8017.0059522.608.10.699642.69
117-726A117-726A-13X-4,145-150117.757.553.4236.345.9018.7259325.502.60.214272.45
117-727A 117-727A-1H-4,145-1505.957.996.3435.853.499.9456924.605.50.502855.38
117-727A117-727A-3H-4,145-15024.858.1910.9634.947.817.7556915.203.00.646036.17
117-727A117-727A-41-6,0-135.908.2618.2634.436.096.915691.601.10.829255.22
117-727A117-727A-6H-4,145-15053.257.8621.4833.829.896.275660.002.35.599904.77
117-727A117-727A-9H-4,145-15082.057.4827.6033.030.765.565581.6011.612.719405.53
117-727A117-727A-111-1,0-195.407.4239.5734.632.946.965580.0019.116.089534.73
117-727A117-727A-12X-4,145-150110.957.5135.3433.632.685.475571.3015.018.579235.97
117-727A117-727A-15X-5,145-150141.357.5844.0734.432.335.585541.0018.623.299425.79
117-727A117-727A-18X-3,145-150167.457.3044.5634.233.666.005542.4021.624.089045.61
117-728 117-728A-1H-4,145-1505.957.503.8335.052.3610.2755825.406.10.222935.100.141
117-728117-728B-2H-4,145-1507.157.303.7335.552.3210.2355924.006.20.173055.110.113
117-728117-728A-3H-4,145-15025.057.904.1335.452.149.5456524.406.20.403945.470.294
117-728117-728B-4H-4,145-15026.057.704.7835.856.059.8455626.105.35.700.260
117-728117-728B-71-1,0-148.608.209.1934.748.059.0257016.304.02.527755.332.059
117-728117-728A-6H-4,145-15053.458.109.3535.046.458.1556812.7010.61.899295.700.987
117-728117-728B-7H-4,145-15054.557.7010.1535.543.548.2056912.707.21.519955.310.898
117-728117-728A-9H-4,145-15082.058.0013.6332.633.916.655650.008.23.4310465.101.328
117-728117-728B-10X-4,145-15083.257.2017.4933.233.306.605650.0011.41.1910385.051.535
117-728117-728B-131-1,0-001106.107.4018.1932.831.908.955650.5018.23.3610163.561.225
117-728117-728A-12X-2,145-150107.858.0015.5632.532.818.045650.006.44.1411274.081.360
117-728117-728A-15X-4,145-150139.857.7013.3032.228.108.065650.0012.04.8910983.491.172
117-728117-728B-18I-1,0-1154.407.7016.1132.428.539.625600.0019.74.5410812.971.168
117-728117-728A-18X-4,145-150168.757.6012.5732.328.348.545641.3010.95.2110533.320.980
117-728117-728A-21X-4,145-150197.757.2012.0232.225.149.595640.0012.65.7512253.120.891
117-728117-728A-24X-3,145-150225.257.2010.5832.124.359.995630.009.85.8412332.440.795
117-728117-728B-26I-1,0-1231.807.6011.9132.423.8310.985600.008.46.0111432.170.735
117-728117-728A-27X-4,145-150255.757.208.9932.023.0910.375630.0012.75.9012352.230.685
117-728117-728A-30X-4,145-150284.757.307.7532.022.3511.355620.009.95.7511531.970.557
117-728117-728A-33X-4,145-150313.757.406.1832.222.8611.405610.308.85.7111292.010.470
117-728117-728A-36X-4,145-150342.757.405.5732.022.3512.095600.009.35.6912271.840.396
117-729A 117-729A-1R-2,145-1502.957.503.7435.852.6310.0256224.603.00.131985.25
117-729A117-729A-3R-4,145-15018.657.502.3435.957.8410.2756224.301.50.143506.63
117-730A 117-730A-1H-4,145-1505.957.643.4835.252.9410.6556326.102.50.131704.970.075
117-730A117-730A-3H-4,145-15023.757.112.8435.251.3310.9856426.102.30.165764.670.110
117-730A117-730A-6X-4,145-15052.257.233.7135.049.7212.0456823.102.40.229174.130.223
117-730A117-730A-9X-4,145-15081.157.475.2934.341.6612.3956514.903.50.3510653.360.532
117-730A117-730A-12X-4,145-150110.157.406.3333.635.8912.285667.602.50.7411292.920.726
117-730A117-730A-15X-4,145-150139.157.686.7532.632.7212.985623.701.71.0110972.520.793
117-730A117-730A-18X-4,145-150168.157.455.3432.630.2913.115642.201.61.2212522.310.731
117-730A117-730A-21X-4,145-150197.157.595.1732.428.4114.195640.403.51.4811032.000.680
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117-730A117-730A-27X-2,140-150252.107.394.1032.327.5815.025640.004.61.849981.840.406
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