#MoundMonday, let's make it trend #archaeologists.
Built over about seven millennia, #Sambaqui #ShellMounds found on the Brazilian coast range up to 70m high and 500m wide.
Photo is Garopaba Sambaqui -28.62547 -48.8929, largest shell mound in Santa Catarina area, about 700,00 cubic meters - nearly equal to Monks Mound.
https://commons.wikimedia.org/wiki/File:Sambaqui_Garopaba_do_Sul.jpg
See bibliography here: Sambaquis from the Southern Brazilian Coast ...
https://www.researchgate.net/publication/353362658_Sambaquis_from_the_Southern_Brazilian_Coast_Landscape_Building_and_Enduring_Heterarchical_Societies_throughout_the_Holocene
#Archaeology #Brazil #Mounds #MoundBuilding