plate of talc

См. также в других словарях:

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• plat — 1. plat, plate [ pla, plat ] adj. et n. m. • 1080; lat. pop. °plattus, gr. platus « large, étendu » I ♦ Adj. A ♦ (Concret) 1 ♦ Qui présente une surface plane, et spécialt horizontale, ou à peu près plane et horizontale. Les Anciens croyaient que… …   Encyclopédie Universelle

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• geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …   Universalium

• Abiogenic petroleum origin — is a largely abandoned hypothesis that was proposed as an alternative to theory of biological petroleum origin. It was relatively popular in the past, but it went largely forgotten at the end of the 20th century after it failed to predict the… …   Wikipedia