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Earth Sciences

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Types of Gold

Placer gold, alluvial gold, lode gold, reef gold, colloidal gold, gold nuggets, isotopic gold, gold bullion, rolled gold, gold plate, gold alloy, gold leaf are all types of gold.

39% 2 7 DerdriuMarriner

Cascadia’s Fault by Jerry Thompson: America’s Earthquake and Tsunami

Cascadia’s Fault by Jerry Thompson shows that America’s earthquake and tsunami may devastate the Pacific Northwest in the twenty-first century.

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Moderate Vancouver Island Earthquake and San Bernardino Earthquake

A magnitude 4.3 moderate Vancouver Island earthquake and a magnitude 4.4 moderate San Bernardino earthquake impact the Pacific Northwest before 2015 ends.

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Earthquake in Virginia! August 23, 2011, the Day the Earth Shook Near the North Anna Power Plant

The surprise earthquake in Mineral, Virginia, near Richmond, on August 23, 2011, brought attention to the state's little known, generally mild earthquake zones.

100% 24 15 BardofEly

The Magic and Myth of British Fungi

Mushrooms and toadstools grow all over the world, and whilst many are edible others are poisonous or hallucinogenic. Fungi are very important and we need to learn about them.

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