Latest posts tagged with #GeologicTimeScale on Bluesky
GSA's Geologic Time Scale 6.0 v. poster is a great addition to any geoscientist's wall (and great fodder for discussion!).
Order your copy from the GSA Bookstore today: geosociety.co/timescale
#KansasUniversity #Geoscience #GeologicTimeScale
THE FIRST LIFE ON EARTH: Precambrian Era: • Hadean Eon: The Birth of Earth, and Volcanos and Lava. • Archean Eon: Land and Water, and Early Life the very first Cells. • Proterozoic Eon: Microscopic Life, and the very first Invertebrates. Paleozoic Era: • Cambrian Period: Age of Invertebrates, Trilobites, Arthropods, and very first fishes. • Ordovician Period: Age of Corals, Nautilus, Cephalopods, and Early Fishes. • Silurian Period: Primitive Sea Scorpions, Primitive Jawed fishes, and the very first plants. • Devonian Period: Age of Fishes, very first Trees, and very first Amphibians. • Carboniferous Period: Age of Amphibians, giant Insects, and very first Reptiles. • Permian Period: Early Primitive Reptiles, Mammal-like Reptiles, and mass extinction of Trilobites. Mesozoic Era: • Triassic Period: Age of Reptiles, very first Mammals, and very first Dinosaurs. • Jurassic Period: Age of the Dinosaurs, Sea Marine Reptiles Early Mammals, and very first Birds. • Cretaceous Period: Very first Flowers, Early Birds, Last Dinosaurs, mass extinction of the Dinosaurs, and small mammals survived. Cenozoic Era: • Paleogene Period: After Dinosaurs, Age of Mammals and Large Primitive Birds. • Neogene Period: Large Primitive Mammals, and Ape-like humans the Ape-men. • Quaternary Period: Very first Humans the Cavemen, and the Ice Age of Primitive Mammals. • Present Day: Age of Humans and Modern Animals rules the Earth.
#GeologicTimeScale:
#PRECAMBRIAN ERA:
#Hadean.
#Archean.
#Proterozoic.
#PALEOZOIC ERA:
#Cambrian.
#Ordovician.
#Silurian.
#Devonian.
#Carboniferous.
#Permian.
#MESOZOIC ERA:
#Triassic.
#Jurassic.
#Cretaceous.
#CENOZOIC ERA:
#Paleogene.
#Neogene.
#Quaternary.
#PresentDay.
#prehistoric #geologic
