Monthly Archives: August 2013

Walther’s Law

With reference to Walther’s Law, describe how changes in sea level can change the vertical and lateral relationship of facies. Accommodation rate is when the subsidence of a depositional basin allows for the accumulation of more sediments. When the accommodation … Continue reading

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Book Review: Roadside Geology of Southern British Columbia

Roadside Geology of Southern British Columbia is my least favourite geoscience book I have ever purchased. As an immediate counterview,

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1929 Grand Banks, Newfoundland earthquake

Following an earthquake in 1929 in the Grand Banks area, south of Newfoundland, 12 Atlantic submarine cables were broken in at least 23 places over a period of 12 hours. The breaks occurred progressively in a southward direction. The times … Continue reading

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Book Review: Joshua Tree National Park Geology

I picked up a copy of Joshua tree National Park Geology while on a family adventure in Joshua Tree National Park. I found my copy at one of the park entry bookstores, but you can also order it online. If … Continue reading

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Weathering of Igneous Rocks

What physical processes contribute to the weathering of rock and why might you expect mafic igneous rocks to weather at a faster rate than felsic igneous rocks? Weathering is the physical disintegration and chemical decomposition of rocks into soil, loose … Continue reading

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Unadulterated Academic Enthusiasm

Research papers are usually stodgy affairs, full of passive voice and a total lack of personal pronouns. It’s the style, and it’s almost always painfully unreadable, so we all read abstract, captions, and conclusions, and just skim the rest unless … Continue reading

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Reefs

What is a reef? In your answer provide a definition, general diagnostic features and explain how the reef fauna and flora aid in the precipitation of calcium carbonate. Reefs are self-generated limestone deposits, created by the organisms living in them. … Continue reading

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Carbonate Precipitation

Atmospheric carbon dioxide combines with water during rainfall and in breaking wave’s spray, producing carbonic acid. Carbonic acid spontaneously disassociates into hydrogen ions and bicarbonate, which in turn disassociates into hydrogen ions and carbonate. Dissolved carbonate combines with dissolved calcium … Continue reading

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