Sand composed mainly by quartz, biotite and another undefined mineral grains. It was found foraminifers and echinoderm spines.
Monday, December 30, 2013
Brazil (Rio de Janeiro) - Búzios / Praia do Forno II.
Sand composed mainly by quartz grains. It was found gastropods and echinoderm spines.
Brazil (Rio de Janeiro) - Búzios / Praia do Forno I.
Sand composed mainly by pink and red quartz and a few garnet grains. It was found gastropods and echinoderm spines.
Brazil (Rio de Janeiro) - Arraial do Cabo.
Sand composed mainly by quartz and another undefined mineral grains. It was found foraminifers and echinoderm spines.
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