Richelieu Rock Geology
A
massive underwater limestone pinnacle rising up from 50 meters to the
just below the surface. Horseshoe shaped with several smaller boulders
surrounding it at the depths, protection from currents is assured for
the experienced guides. Steep walls and deep crevices offer both
stunning scenery and great hiding places for all manner of amazing
creatures.The unique shape and location are part of what
Richelieu so special. There are no other pinnacles or submerged rocks
anywhere nearby so all the marine life in the area have one place to
go. As this is the single pinnacle, it also generates a strong
disturbance to the tidal currents. This creates strong upwellings of
cold water – which causes plankton. And this plankton feeds the diverse
fish and corals
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