Loading Vision Data... White Carrara Marble (Apuan Marble Formation, Tertiary metamorphism of Jurassic limestones; Carbonera Quarry, Tuscany, I… Openverse · flickr.com
Loading Vision Data... Hydrophane opal (precious opal) dried out (Tertiary; Ethiopia) 2 Openverse · flickr.com
Loading Vision Data... Hydrophane opal (precious opal) dried out (Tertiary; Ethiopia) 9 Openverse · flickr.com
Loading Vision Data... Fossil-leaf Taxodium dubium Tertiary Germany Openverse · commons.wikimedia.org
Loading Vision Data... Opening ceremony of the SDG Africa Center conference on Tertiary Education | Kigali, 5 July 2017 Openverse · flickr.com
