Mafic-plutonic sand, Antofagasta, Chile
Location:
North Chile, end of road along coast approx. 10 km south of Antofagasta.
Provenance:
Gabbroid rocks on western slope of the Cerro Coloso.
Composition:
White plagioclase; black hornblende, absence of quartz.
Texture:
Coarse sand, poorly sorted, almost not transported detritus.
Sample Number:
number of the sample
Collector:
Collector of the sand, Institution
Date:
Date of sampling
Comments:
Further comments on the sand, depositional history, ecc.