René Descartes theory of the formation of mountains and oceans; the layers include the earth's crust (E), air (F), water (D), and metals (C). Principia Philosophiae, 1644. René Descartes (March 31, 1596 - February 11, 1650) was a French mathematician, philosopher and physiologist. Living on his modest inherited wealth, Descartes traveled, studied, wrote, and served as a soldier in Holland, Bohemia and Hungary.

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René Descartes, Formation of Mountains and Oceans, 1644

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Keywords: 1640s, 1644, 17th, air, art, bw, century, crust, descartes, earth, formation, geology, history, include, layers, mountains, oceans, philosophiae, principia, rené, science, theory, water