All images in this gallery are courtesy of OCW.
Teredo borings in miocene boundstone limestone.
Bryozoan Limestone.
Shell Limestone with fine laminations suggesting low current velocities.
Mudstone.
Cross-laminated limestone.
Coral Limestone.
Crystalline limestone.
Crystalline limestone.
Crystalline limestone.
Foraminiferal chalk.
Packstone.
Grainstone.
Bivalve Limestone.
Boundstone.
Boundstone.
Coral Limestone.
Mudstone.
Oolitic Limestone.
Packstone.
Crinoidal Limestone.
Wackestone.
Fine Laminated Limestone. (Image courtesy of OCW.)