Figure 4: Grain size fractions of the minerogenic component for each transect. Relative proportions of sand (0-4φ), silt (4-8φ) and clay (>8φ) are expressed in % by volume. OBSS1, OBSS2 and OBSS3 are the three transects from Oglet Bay and DMSS1 and DMSS2 are the two transects from Decoy Marsh.