According to a Reddit user who shared images on the website’s fossils subreddit (r/fossils), their family noticed a peculiar item in their floors after ... is a type of limestone that forms ...

Many of the rock layers contain fossils of these organisms ... During some periods of limestone formation, there was strong tidal activity. Small pieces of carbonate rolled back and forth on the sea ...

Up to 4’x2’ (121,9 x 61) standard sizes include 24” x 12” (61 x 30,5) 24” x 24” (61 x 61) 18” x 18” (45,7 x 45,7) and 12” x 12” (30,5 x 30,5) Dietfurt limestone flooring and ...