Donnelly, Thomas W (1982): (Table 1) Average aluminium accumulation rate at 40 DSDP Sites for the time interval 0-10 Ma and relative rates for other time intervals. PANGAEA, https://doi.org/10.1594/PANGAEA.711716
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A six-fold increase in the rate of accumulation of Al in north and central Atlantic and Pacific Ocean sediments indicates vastly increased denudation of the continents during the past 15 Ma. The increase is more apparent in hemipelagic than pelagic sites, demonstrating widely distributed local controls. Similarities in the rate of increase in the Atlantic and Pacific show that tectonic elevation is not responsible for the difference in sedimentation rate. Also, similarities in the difference at sites of low and high latitude suggest that glaciation is not the most significant source. A lack of correspondence between sedimentation rates and Vail's sea-level curve similarly rule out that effect. The conclusion drawn here is that worldwide climatic deterioration during the late Tertiary is the explanation for the striking increase in detrital sedimentation in the World ocean.
Donnelly, Thomas W (1982): Worldwide continental denudation and climatic deterioration during the late Tertiary: Evidence from deep-sea sediments. Geology, 10(9), 451-454, https://doi.org/10.1130/0091-7613(1982)10%3C451:WCDACD%3E2.0.CO;2
Median Latitude: 13.945482 * Median Longitude: 22.256040 * South-bound Latitude: -56.557000 * West-bound Longitude: -161.205500 * North-bound Latitude: 67.785200 * East-bound Longitude: 176.901500
Date/Time Start: 1969-03-08T00:00:00 * Date/Time End: 1975-07-05T00:00:00
Minimum Elevation: -5601.0 m * Maximum Elevation: -1151.0 m
10-94 * Latitude: 24.527300 * Longitude: -88.469300 * Date/Time: 1970-03-22T00:00:00 * Elevation: -1793.0 m * Penetration: 660 m * Recovery: 175.2 m * Location: Gulf of Mexico/SCARP * Campaign: Leg10 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 39 cores; 294.7 m cored; 1 m drilled; 59.5 % recovery
11-106 * Latitude: 36.433500 * Longitude: -69.461500 * Date/Time: 1970-05-20T00:00:00 * Elevation: -4500.0 m * Penetration: 349 m * Recovery: 21.5 m * Location: North Atlantic/CONT RISE * Campaign: Leg11 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 5 cores; 39 m cored; 9 m drilled; 55.1 % recovery
12-116 * Latitude: 57.496000 * Longitude: -15.924300 * Date/Time: 1970-07-17T00:00:00 * Elevation: -1151.0 m * Penetration: 841 m * Recovery: 181.9 m * Location: North Atlantic/BASIN * Campaign: Leg12 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 26 cores; 248 m cored; 0 m drilled; 73.4 % recovery
The ratios are ones of average aluminium accumulation rates in the time intervals to the average rate for the time interval 0-10 Ma.
303 data points