Regional exploitation. A. Fountain of Glauke, at the Ancient Corinth, build directly in the oolitic dune (5 meters high); the oblique stratification can be observed; behind is standing a column of the Apollo Temple of Ancient Corinth, which is a monolith also build in oolitic dune. B. Quarry of Examilia, East of Corinth, showing extraction tool marks and known to have been exploited in antique times; the facies is similar to the one observed in the archaeological site of Ancient Corinth, the stratification is also clearly marked. See Figure 1 for location.