Category: Geology

Cinema Centre

I picked up the phone and was told that there had been an explosion at the Cinema Centre in Canberra and that a man had been killed. We were asked to investigate. The picture below shows the Old Cinema Centre in the centre of...

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Lake Burley Griffin

My first job in Canberra with the Bureau of Mineral Resources was logging drill core during the investigations for a dam that would turn the Canberra floodplain into a lake as envisaged by Walter Burley Griffin. The Canberra...

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Googong Dam – Construction

Googong Dam lies to the south of Queanbeyan, NSW, and is a water supply dam for Canberra. Googong Dam is a minor ungated earth and rock fill dam with a clay core and a concrete chute spillway plus a nearby 13 metres (43 ft) high...

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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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The East Pacific Rise

Pacific Ocean expansion on each side of the East Pacific Rise commenced near Antarctica and moved north to intercept the Gulf of California. To the East of the Rise, expansion moved blocks in the Basin and Range terrain in the...

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The Expanding Earth

Bucher investigated the pattern of deformation of a spherical crust in tension. A thin spherical glass shell was filled with water and cooled slowly until it expanded on freezing and cracked the glass producing two fractures...

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