Figure 8: A model for coarsening-upward cycle architecture origin.
tA (1-2, 4-5) - "catch-up" phase; tB (2-3, 5-6) - "keep up" phase; 3-4 - lag phase, progradation; 4 - "start-up" phase; FWWB - fair-weather wave-base; SL - sea level; SB - sea bottom; D - water depth; WL - wave lenght; t - time; M - mudstone; W - wackestone; P - packstone; G - grainstone.

figure 8