algal limestone

algal limestone

[′al·gəl ′līm‚stōn]
(petrology)
A type of limestone either formed from the remains of calcium-secreting algae or formed when algae bind together the fragments of other lime-secreting organisms.
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References in periodicals archive ?
However, no kinematic indicators were observed and the fabrics were found to be those typical of undeformed algal limestone rather than calc-mylonite.
Chalcosine mineralisation in this place is found in the cement which binds fragments of marborized algal limestones interbedded with thin horizons of lapilli tuffs and volcanic ashes.