Histórias da Geologia

Este blog pretende ser um espaço de reflexão sobre a evolução do conhecimento geológico ao longo dos tempos, principalmente a partir do século XVII, não esquecendo porém as pequenas histórias que fazem a grande história

terça-feira, agosto 08, 2006

Património geológico e História da Geologia

Quando tanto se começa a falar no nosso país sobre conservação do património geológico e surge mesmo o primeiro Geoparque, importa não esquecer que um dos critérios que é enunciado para a sua valorização é a sua significação em termos da própria História da Geologia. Nas Ilhas Britânicas este valor já está bem reconhecido:

... many British sites have value because they «have played a part in the development of now universally applied principles of geology». Examples include Hutton's unconformity at Siccar Point in Scotland and his section on Salisbury Crags in Edimburgh, Scotland, where he deduced that the dolerite forming the crag must have been molten. Many of the names of periods of geological time are derived from Britain while many others serve as international reference sections. These sites have become international 'standards' that «must be conserved so that they can continue to be used as the standard references» (Gray, M., 2004, Geodiversity)


Em Portugal, este trabalho de inventariação do património geológico, em função do seu valor em termos de História da Geologia, ainda está por fazer.

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