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Grobe, Hannes (1987): Fig. 2: Comparison of the number of grains counted in a sieve analysis. doi:10.1594/PANGAEA.756793,
Supplement to: Grobe, H (1987): A simple method for the determination of ice-rafted debris in sediment cores. Polarforschung, 57(3), 123-126, hdl:10013/epic.29587.d001

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The distribution of ice rafted debris (IRD) is an important parameter in glaciomarine sediments. A simple method is presented allowing the determination of the IRD-content by counting the gravel fraction of the X-radiographs which are generally taken during sarnpling. In comparison with sieve analyses corresponding values are obtained by both methods. However, more information can be made available in a shorter time by this method.
Latitude: -70.942833 * Longitude: -13.653500
Date/Time Start: 1983-03-04T00:00:00 * Date/Time End: 1983-03-04T00:00:00
Minimum DEPTH, sediment/rock: 5.28 m * Maximum DEPTH, sediment/rock: 8.27 m
PS1021-1 (PS01/221) * Latitude: -70.942833 * Longitude: -13.653500 * Date/Time: 1983-03-04T00:00:00 * Elevation: -2225.0 m * Penetration: 11.4 m * Recovery: 9.3 m * Location: Kapp Norvegia * Campaign: ANT-I/2 (PS01) * Basis: Polarstern * Device: Gravity corer (Kiel type) (SL) * Comment: 8 core sections: 0-0.27, 0.27-1.27, 1.27-2.27, 2.27-3.27, 3.27-4.27, 4.27-5.27, 5.27-8.28, 8.28-9.13 m
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmGeocode
2Ice rafted debrisIRD#/gGrobe, HannesStereomicroscope, incident light (Wild M7A/S)division by 100 to recalculated to #/g
114 data points

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