Month: June 2015

Sand

We walk on it on the beaches, wiggle our bottoms as we dig our feet into the sand for pippies or eugaries to use for bait, and we catch worms that poke their heads out of the sand as waves retreat to the sea. When we walk on it...

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Kangaroo Point

Rock climbers find the cliffs at Kangaroo Point ideal for developing their skills. The rock is irregularly jointed with overhanging blocks and is called the Brisbane Tuff. In Brisbane’s early days rock was quarried from the...

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Plate Tectonics: The Problem

I could understand the expansion aspects of Plate Tectonics with the widening of the Atlantic Ocean about a central fault where basalt was extruded on to the ocean floor and thickened to form the mid-Atlantic Ridge. However, I...

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The Earth is Expanding

The assumption that the Earths radius has not changed is based on the Equivalence Principle derived from General Relativity. The Equivalence Principle has been challenged by satellite experiments. GPS is based on Lorentzian...

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