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AN OVERVIEW OF EARTH EXPANSION TECTONICS OVERVIEW EARTH EXPANSION TECTONICS The theory of Expansion Tectonics explains all existing physical geologic data much better than does the Plate Tectonics approach, and it also attempts to account for the creation of new matter at the core-mantle interface. Part 2 of 2 Ancient Biogeography n an Expansion Tectonics Earth, the locations of fossilised fauna and flora can be used to illustrate their distribution in relation to the ancient lands and seas, and once again to confirm the established climatic zones as well as the location of the poles and equator. The distribution of various marine species, such as the Cambrian and Ordovician trilobites for instance, plotted on an Expansion Tectonics Earth demonstrates the ease and simplification of migration routes and their development during the Palaeozoic Era. Barriers to the migration of these and other marine species on an Expansion Tectonics Earth are then simply seen as being limited to deep-marine restrictions as well as latitude and climate extremes. Triassic to Cretaceous dinosaur distributions, when plotted on Expansion Tectonics Earth models (figure 4), show that dinosaurs are clustered within hree distinct provinces coinciding with the distribution of ancestral Permian reptiles, their ancient ancestors. These include distributions clustered in the European to Mediterranean region, in central and eastern North America, and in adjacent southern Africa and southern South American regions, with inks to India. Isolated related distributions also occur in eastern Australia, southern China and western South America. The distribution of dinosaurs and ancestral Permian reptiles on an Expansion Tectonics Earth demonstrates the close links between Permian, Triassic and Jurassic species. This link was disrupted during the Early Permian Period during the initiation of continental break-up. As the continents progressively broke up and dispersed, there was a marked disruption of established climatic zones as well as feeding habitats and migration routes of each endemic species. The extinction of the dinosaurs is a contentious issue. On an Expansion Tectonics Earth, the Cretaceous Period is shown to coincide with a period of enlargement of continental seas accompanied by a rise in sea level, an increase in the size of the modern oceans and progressive disruption to climate. Sea levels then peaked on the continents during the Late Cretaceous, followed by a rapid draining of continental seas as the modern oceans continue to open. Expansion Tectonics Earth models suggest that there may have been two or more separate oceans existing prior to the Cretaceous Period, with the possibility of separate sea levels. Rifting and merging of these oceans coincide precisely with faunal and floral extinction events at the end of both the Triassic and Cretaceous periods. This suggests that the cause of the dinosaur extinction, which incidentally occurred over a time-frame of 8-10 million years, may be linked with periods of relatively rapid sea-level change some 65 million years ago, rather than with a speculated asteroid impact event as is currently proposed. by James Maxlow, PhD © 2010 Email: contact@jamesmaxlow.com Website: http://www,jamesmaxlow.com Email: contact@jamesmaxlow.com Website: http://www,jamesmaxlow.com JUNE - JULY 2010 NEXUS ¢ 33 www.nexusmagazine.com