1094 - Museum Grade Unique Spicomellus afer Oldest Ankylosaurian Dinosaur Dermal Spike - El Mers Fm Geological Samples is an iron sulfide with

is an iron sulfide with the chemical formula FeS2 (iron(II) disulfide)

Maybe because it is easy grind and polished nevertheless it as hard as a stone

Since the first study of Moroccan fossil turtles

014 g of this RARE type of MARTIAN Shergottite METEORITE named as NWA 6963

Figure 5 shows the EDS analyses and indicates that pyroxene is augte

1094 - Museum Grade Unique Spicomellus afer Oldest Ankylosaurian Dinosaur Dermal Spike - El Mers Fm Geological Samples is an iron sulfide withScientific name: Spicomellus afer (Maidment et al., 2021) Ankylosaurian Dinosaur Dermal Spike Location: Boulemane, Atlas Mountains, Morocco Geological Formation: El Mers Fm = Guettioua Fm Age: Middle Jurassic, Bathonian Callovian, 167. 7164. 7 Ma Size: 11cm Ref: 1094 Spicomellus (meaning "collar of spikes") is an extinct genus of herbivorous ankylosaurian dinosaur that lived in the supercontinent Gondwana during the Middle Jurassic Period. The genus