Fig. 2: Comparison of the number of grains counted in a sieve analysis, supplement to: Grobe, Hannes (1987): A simple method for the determination of ice-rafted debris in sediment cores. Polarforschung, 57(3), 123-126Hannes Grobe
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.
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