Procesos de alteración de las paragénesis primarias de las mineralizaciones de Cr-Ni del macizo ultramáfico de Beni Bousera, Marruecos).
ISSN: 0210-6558
Argitalpen urtea: 1992
Alea: 15
Zenbakia: 1
Orrialdeak: 199-201
Mota: Artikulua
Beste argitalpen batzuk: Boletín de la Sociedad Española de Mineralogía
Laburpena
The chromite-Ni arsenide mineralizations from the Beni Bousea ultramafic massif show secondary arsenide (maucherite, orcelite) and silicate (phlogopite, chlorite, vermiculite, garnierite) associations originates by a progressive hydrothermal alteration of the primary paragenesses. According to field and textural relationshisps this hydrothermal alteration should take place coeval with late brittle fracturing of the peridotites.