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0305 Earth sciences

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Full-Text Articles in Physics

Modeling Of Flood And Post-Flood Ocean Floor Cooling, William J. Worraker, Richard Ward Jul 2018

Modeling Of Flood And Post-Flood Ocean Floor Cooling, William J. Worraker, Richard Ward

Proceedings of the International Conference on Creationism

Given that the earth’s ocean basins are geologically young, few areas being older than early Jurassic, and that most creation scientists regard Jurassic rocks as Flood deposits, these basins must have formed during and since the Flood, i.e. within no more than 4500 years. This paper represents a first attempt at modeling ocean basin formation by the separation of the continents and cooling of mantle material emplaced at spreading centres well within that limited time. We use a spreadsheet-based finite difference solution of the heat diffusion equation applied to a simple widely-used plate model of ocean lithosphere formation. Having verified …


Numerical Investigation Of Strength-Reducing Mechanisms Of Mantle Rock During The Genesis Flood, Noah Cho, John Baumgardner, Jesse Sherburn, Mark Horstemeyer Jul 2018

Numerical Investigation Of Strength-Reducing Mechanisms Of Mantle Rock During The Genesis Flood, Noah Cho, John Baumgardner, Jesse Sherburn, Mark Horstemeyer

Proceedings of the International Conference on Creationism

This paper reports our efforts to model the effects of grain size, recrystallization, creep, and texture on overall rock strength within the Earth’s mantle during the Genesis Flood. Our study uses experimental rheological data obtained from the mineralogical literature for olivine, which is an important mantle mineral. We apply an Internal State Variable (ISV) constitutive model within the framework of the TERRA finite element code to capture the subscale structures and their associated dynamics, strength, and viscosity effects during the Flood episode. Our numerical investigations, in both 2D and 3D, that include the improved deformation model reveal even more clearly …