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Contributions from Mark Lawrence

Mark Lawrence

Mark kindly provided petrographic images of Oligocene and Plio-Pleistocene cool-water carbonates from New Zealand

Senior Geologist, Geological and Nuclear Sciences (GNS)

1980: BSc, Earth Science; 1983: MSc (Second Class Honours), Earth Science & Geochemistry; 1990: PhD, Geology, Canterbury University New Zealand.

Areas of expertise Geochemist-petrography using Cathodoluminescence, Stable Isotope and Trace Element geohemistry; basin analysis, sedimentology, stratigraphy and ichnology, use of borehole imaging tools, exploration geology and CO2 sequestration, and technical expertise in Atomic absorbtion spectrometry(AA), Electron microscopy(TEM and SEM), XRF and XRD

Archives
Categories
dip and strike compass
Measuring dip and strike
sandstone classification header
Classification of sandstones
Calcite cemented subarkose, Proterozoic Altyn Fm. southern Alberta
Sandstones in thin section
poles to bedding great circles
Stereographic projection – poles to planes
froude-reynolds-antidunes-header-768x439-1
Fluid flow: Froude and Reynolds numbers
Stokes Law for particle settling in a schematic context of other fluid flow functions
Fluid flow: Stokes Law and particle settling
sedimentary-basins-distribution-1-768x711
Classification of sedimentary basins
Model are representational descriptions are written in different languages - diagrammatic, descriptive, mathematical, and conceptual. They commonly contain variables and dimensionless quantities that permit quantitative analysis of the physical systems the models represent.
Geological models
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