“Coral Rubble Flats” occurred in shallow water areas exposed on the lowest tides at Bath in 1969, and were still present in, superficially at least, the same condition and location in subsequent years up to my last visit to Barbados in 2025.
These flats have irregular, hard, surfaces in which the rubble constituents are firmly bound/cemented together.
I remember them in the late 1960s as sites where the seaweed Gracilaria deblis was harvested to make “seamoss jelly” – Mel Goldstein, my PhD co-supervisor (with John Lewis) wrote a paper on the topic.
Coral Rubble Flats similar to those at Bath occur elsewhere on the east coast of Barbados: Lewis (1960) referred to them as “extensive reef flats”: Continue reading










