GEOL 1003 Chapter : Ch 10c Minimized
II. Late Paleozoic
A. Geologic Time Scale
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EONS ERAS PERIODS EPOCHS MAIN LIFE
Phanerozoic
Mesozoic
___________________ 251 Ma _________________________
Late -
Paleozoic
Permian Amphibians
Carboniferous
Pennsylvanian
Mississippian
______________________________355 Ma_________________________
359 Ma!
Paleozoic Mesozoic Cenozoic
Cam O S D Car P Tr J K Pg Ng
Acritarchs
Ammonoids
Brachiopods
Conodonts
Corals
Diatoms
Dinoflagellates
Foraminifera
Fusulinids
Graptolites
Nannofossils
Radiolaria
Spores
Trilobites
Document Summary
Cam o s d car p tr j. Front range uplift - slightly to the west of today b. uncompahgre uplift - utah and colorado. Texas, arkansas, oklahoma (1) ouachita and wichita ranges (2) appalachians. Eastern us and canada (3) hercynian (variscan) in europe a. collision of the offshore klamath island arc b. and westward moving north america. Permian reef complex - carlsbad caverns, guadalupe mts. Latest permian - sonoma orogeny a. closing of the western backarc basin b. very similar to the antler orogeny c. lasted into the triassic: global permian tectonic events. Russian ural mts. formed - suture: siberia to eastern europe. Plants - very diverse a. true ferns, club moss, horsetails b. true seed plants. Invertebrates recovered from the devonian extinctions a. insect flight - insects ecologically critically important b. marine invertebrates moved into fresh water habitats. Important permian guide fossils - the fusinilids - a type of foraminifera: pennsylvanian life.
