Tidally Laminated Sediments

Two major types of sequences can by destinguished.

Tidally laminated sediments.

The bay is represented in the model by 50 segments composed of two layers. A horizontally laminated black mudstone followed by flaser or lenticularly bedded sandy mudstone and erosively overlain by cross bedded channel sandstone. However structures from several millimetres to many centimetres. Gon i 2 and john s.

Although this result is reasonable when only the three sites are compared both values are lower than predicted by existing threshold models with a. Published 31 january 2008. In general the glen eyrie tidalite is similar to other carboniferous tidalites because the laminated sequence directly overlies a coal is well laminated directly above the coal and becomes more bioturbated and possesses more fine scale erosional features beginning several meters above the coal. Subglacial deformation of pre existing sediments may also produce laminated deposits in the form of glacitectonite and deformation till.

Sediment delivery from the fly river tidally dominated delta to the nearshore marine environment and the impact of el nin o andrea s. Revised 3 march 2007. Crockett1 received 24 august 2006. One representing the channel 5 meter depth and the other the shallows 0.

In geology lamination is a small scale sequence of fine layers laminae. Accepted 25 may 2007. Preston martin 1 miguel a. A tidally averaged sediment transport model of san francisco bay was incorporated into a tidally averaged salinity box model previously developed and calibrated using salinity a conservative tracer uncles and peterson 1995.

Laminated glacimarine sediments form by a variety of processes including suspension settling from turbid overflow plumes turbidity current deposition and contour current activity.