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Metamorphic Rocks [Ppt]
Explains the different ways that metamorphic rocks can form. Looks at high temperature, high pressure, and chemically active fluids. Discusses structures created in metamorphic rocks by different forces and the classifications based on...
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University of the Arts, London: Manuscripts at Universal Leonardo
This gallery of 22 excerpts from Leonardo's notebooks is accompanied by historical information and links to additional explorations of his interests in the forces of nature, light and vision, and imagination and invention. The drawings...