Image credit: James St. John
CaCO3
fossiliferous limestone coquina oolite travertine
limestone breccia micrite chalk
(Ca,Mg)(CO3)2 dolostone
Fe2O3 ironstone
conglomerate breccia sandstone shale
Flickr Image gallery, James St. John: conglomerate
Mindat.org image gallery: conglomerate
Google images: conglomerate
Mindat.org: About conglomerate
Sandatlas: conglomerate