(comparative more stromatolitic, superlative most stromatolitic)
- (geology) Of or relating to a stromatolite.
Variant of stromatolite
a laminated, sedimentary rock structure formed primarily in Precambrian shallow pools by mats of sticky, blue-green algae, which trapped layers of silt, esp. of calcium carbonate: these wavy or round formations serve as evidence for dating the first life forms on earth and are still being produced today