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Strategically located on the Fall Zone, Richmond sits where the James River dramatically cascades over the Petersburg Granite at the eastern edge of the Piedmont to the sedimentary strata of the Coastal Plain.
They told the Geological Society of America: 'The scientific value of classifying Zealandia as a continent is much more than just an extra name on a list.“That a continent can be so submerged yet un-fragmented makes it a useful and thought-provoking geodynamic end member in exploring the cohesion and breakup of continental crust.' The research team said it should now be considered a geological continent rather than the previously-held theory that it was a collection of islands and fragments.They said: “Based on various lines of geological and geophysical evidence, particularly those accumulated in the last two decades, we argue that Zealandia is not a collection of partly submerged continental fragments but is a coherent continent.”.