615 results found
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Conventional signs
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The geological record
The geological timechart is the frame in which the history of the Earth is inscribed
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Formation of a world supercontinent and of a global ocean. The Paleozoic
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The formation of the mountain ranges. Late Mesozoic and Early Paleogene
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Glossary of geological terms
Geological terms of the legend of the cartographic units and conventional symbols of the "Geological Map of Catalonia 1: 50,000" (Catalan)
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From 2 Ma ago to the year 18 000 before common era