Image credit: James St. John
CaCO3
fossiliferous limestone coquina oolite travertine
limestone breccia micrite chalk
(Ca,Mg)(CO3)2 dolostone
SiO2 diatomite chert
Fe2O3 ironstone
conglomerate breccia sandstone shale
peat lignite bituminous coal anthracite
Take 2 minutes to review definition & features
You'll thank me for this later!
Click image to enlarge.
Image credit: Scott Brande, CC4.0 License
Flickr Image gallery, James St. John: coquina
Google images: coquina
Sandatlas: coquina