Vibracored sedimentary sequences and microfauna (foraminifera) were studied in Lawrencetown Lake, a small, wavedominated estuary with minor fluvial input located on the Eastern Shore of Nova Scotia. Seven lithofacies were identified on the basis of sedimentological characteristics, microfaunal assemblages, and stratigraphic relationships. These lithofacies can be grouped into three associations which define estuarine basin fill, channel cut and fill, and channel bypass subenvironments within the estuary system. Facies relationships indicate a cyclic pattern of estuarine sedimentation, controlled by fluctuating local sediment supply superimposed upon a regional transgression.

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