Sand & geology
Praia dos Alemães
golden sandlithic-rich (volcanic/collisional terrane)
This wide beach is about 500 meters in length and has fine gold sand and is backed by sandy golden low cliffs prone to some erosion during wet weather some of which can be hazardous with rock falls.
Extracted from Wikipedia.
Predicted regional composition
Q-F-L (quartz, feldspar, lithic) fractions sampled from the GloPrSM global sand model at this beach's location.
Q 53%
L 44%
GloPrSM v1.0.0 (IJ_QFL). GloPrSM is calibrated on modern river sand; beach sand in the same watershed is a reasonable proxy but not identical.
Got a close-up photo of the sand here?
Take a picture with a coin for scale and send it over. We're building a global grain-photo library and this beach isn't in it yet.
Praia dos Alemães37.0840, -8.2380