
Foraminifera remains dyed in Bengal rose

Subangular quartz

Mixed granulometry, spot the lead balls

Sediment from -10 meters substrate, much rounded with occasional skeletal remains

Mixed shapes and granulometry, many shell fragments

Perfectly rounded quartz

Minute subangular quartz

Sediment of vulcanic and skeletal origin

Sedimentary subangular grain of vulcanic origin
