Transgressive System Track (TST)

In transgressive sequence system tracks, sedimentation rate and sediment influx exceeds sea level rise resulting in sediments being deposited closer to shore along margins, on the platform and farther up slope reducing the sediment availability. In transgressive system tracks, sea level rise results in an increased sediment influx because the exposed self has become inundated and initiating carbonate sedimentation or the "start-up phase" in which carbonate accumulation is less than relative sea level rise and deposition on the shelf resumes being deposited closer to shore.Followed by the "catch-up phase" in which sediment accumulation exceeds the rate of seal level rise resulting in a prograding shift of sediments being deposited onto the slopes. The transgressive systems track peaks with the "keep-up phase" in which sediment accumulation closely matches the rate of sea level rise.(Handford and Loucks 1993)