MJ Maccardini (trailerfullofpix)'s photos with the keyword: marl

It's a porous conglomerate of compacted fossil seashells. I'd never seen or heard of it before. See where this picture was taken. [?]

The arch is made of marl, a porous conglomerate of compacted fossil seashells. When it rains, the marl collects moisture, which then drips down from the arch long after the rain has stopped, thus appearing to weep. See where this picture was taken. [?]