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handle: 10261/6874
[ES] Se distinguen dos fuentes para los minerales pesados que se encuentran en las playas de la bahía de Rosas: los basaltos de Olot, para la augita, olivino e hiperstena y las rocas metamórficas del macizo de los Alberes y Cabo de Creus de donde proceden la andalucita, silimanita y distena. La distribución de los minerales, se explica por el transporte efectuado por las corrientes de deriva, los temporales y el viento. Las anomaiías en la distribucidn de algunas especies se deben a los accicentes del terreno y a las condiciones dinámicas muy activas de la bahía, que afectan a la seleccidn de minerales.
[EN] The heavy minerals of Gulf of Rosas coastal sand have two different sources. The more frequent heavy minerals are augite and olivine which come from Olot basalts. The metamorfic association is presented by andalusite, siliimanite and kyanite and they come from the metamorfic rocks of the Pyrenees and Cap of Creus massif. Homblende can have two origins: the metamorfic and the granitic rocks of river Muga basin.
Peer reviewed
Sedimentología, Heavy minerals, Sedimentology, Bahía de Rosas, Mineralogy, Bahia de Rosas, Mineralogía, Minerales pesados, Heavy Minerals
Sedimentología, Heavy minerals, Sedimentology, Bahía de Rosas, Mineralogy, Bahia de Rosas, Mineralogía, Minerales pesados, Heavy Minerals
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