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
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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: fossiliferous limestone
Mindat.org image gallery: limestone
Google images: fossiliferous limestone
Mindat.org: About limestone
limestone and mining in Minerals Education Coalition
Sandatlas: many types of limestone
Limestone - formation and features