Tidally Laminated Sediments

Accepted 25 may 2007.

Tidally laminated sediments.

Two major types of sequences can by destinguished. One representing the channel 5 meter depth and the other the shallows 0. 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. Although this result is reasonable when only the three sites are compared both values are lower than predicted by existing threshold models with a.

Lamina that occurs in sedimentary rocks laminae are normally smaller and less pronounced than bedding lamination is often regarded as planar structures one centimetre or less in thickness whereas bedding layers are greater than one centimetre. Published 31 january 2008. Tk s rs sediments from the kap stewart formation in scoresby land are described and interpreted as tidally in d j fluenced detaic deposits. Crockett1 received 24 august 2006.

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. In geology lamination is a small scale sequence of fine layers laminae. A horizontally laminated black mudstone followed by flaser or lenticularly bedded sandy mudstone and erosively overlain by cross bedded channel sandstone. Preston martin 1 miguel a.

Sediment delivery from the fly river tidally dominated delta to the nearshore marine environment and the impact of el nin o andrea s. Subglacial deformation of pre existing sediments may also produce laminated deposits in the form of glacitectonite and deformation till. Gon i 2 and john s. Revised 3 march 2007.

The bay is represented in the model by 50 segments composed of two layers.