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. Author manuscript; available in PMC: 2016 Nov 15.
Published in final edited form as: Mar Pollut Bull. 2015 Sep 1;100(1):445–452. doi: 10.1016/j.marpolbul.2015.08.007

Table 1.

Average values for sand and gravel, silt, clay, organic matter and calcium carbonate content (%) in samples from three sediment cores

Environment Core % Sand + Gravel % Silt % Clay % Fine Fraction % OM % Carbonate
Up-River Core 1 27 51 22 73 12 2
Intermediate Core 2 20 61 19 80 16 4
Mouth - Estuary Core 3 35 49 16 64 17 4