22004 - Top Rare 4.59 Inch Kierarges morrisoni Lower Ordovician Trilobite Fezouata Formation Calymene niobium and copper

niobium and copper

mostly small

Crystals of brochantite can range from emerald green to black-green to blue-green

Prior to the discovery of A

22004 - Top Rare 4.59 Inch Kierarges morrisoni Lower Ordovician Trilobite Fezouata Formation Calymene niobium and copperKierarges morrisoni, Corbacho 2014 (trilobite) The Fezouata Formation occurs in the lower part of the Lower to lower Middle Ordovician Outer Feijas Group, in the western, central and eastern Anti Atlas Mountains, southern Morocco (Destombes et al. 1985; Gutierrez Marco & Martin 2016). It comes from The Konservat Lagersttten of Lower Fezouata Fm that spans the entire Tremadoc stage of the Ordovician system and is only present in the Moroccan Anti