final one-time periods Flashcards
time periods (11 cards)
mesozoic
cretaceous, 136 MA rise of angiosperms, disappearance of Dinos
Cenozoic
66MA warming and gradual cooling
paleocene (cenozoic)
66ma followed extinction of dinosaurs
miocene (cenozoic)
sea levels drop global cooling, 23ma
pliocene(cenozoic)
5ma temp declines climate fluctuations increase
pleistocene(cenozoic)
2.6 ma, appearance of Homo sapiens ; “ice age”
upper/late pleistocene
retreat of glaciers, global warming
middle pleistocene
homoerectus, tool making advancements, lower glacial cycles.
initial upper Paleolithic (Europe)
50 ka and 45ka, western eurasian tool industries (found Israel and southern turkey) thought to be Brought by immigrants
upper Paleolithic
45ka-10ka in Europe, Northern Africa, and parts of Asia, tool kits dominated by blades
middle Stone Age (Africa MSA)
Stone tool industries of sub-Saharan Africa and southern and Eastern Asia that existed 250 ka to 40 aka. counter part to middle Paleolithic. Flake tools.