From Wikipedia, the free encyclopedia
In geologia, rocca[1] es un aggregato naturalmente occurrente e solide de un o plus minerales o mineraloides. Per exemplo, le rocca commun granito es un combination del minerales de quarz, feldspato, e biotite. Le exterior strato del Terra, le lithosphera, es facite de rocca.
Rocca |
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Instantia de: rock formation[*] |
Commons: Rocks |
Roccas esseva usate per humanitate durante omne historia. Post que le epocha de petra, roccas ha essite usate pro utensiles. Le minerales e metallos trovate in roccas son essential pro le civilisation human.[2]
Il ha tres gruppos major de roccas: magmatic (ignee), sedimentari, e metamorphic. Le studio scientific de roccas es appellate petrologia, que es un componente essential del geologia.
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