Table I: Composition of Sediments in West Florida Shelf (%).

Skeletal;
Foraminifera 16.4(24.1)
Molluscs 21.9(32.1)
Echinoid 0.7(1.1)
Coral 0.2(0.3)
Bryozoa 1.0(1.5)
Annelid 0.2(0.3)
Arthropod 1.1(1.6)
Algae 1.1(1.6)
Sponge 2.6(3.8)
Other individual 0.5(0.7)
Complex particle 0.009
Unknown skeletal 18.3(32.8)
Non-Skeletal;
Pelletoid 0.006
Aggregate 0.3
Quartz 30.2
Rock fragment 1.2

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