Geologic Time Period Flashcards
Laramide Orogeny
Rocky Mountain Region
Late Cretaceous - Early Eocene
80-50 Ma
Sevier (Basin & Range) Orogeny
Late Cretaceous - Paleocene
130 - 80 Ma
Nevadan Orogeny
California and Nevada
Jurassic - Cretaceous
150 - 140 Ma
Palisades Orogeny
Jurassic
Occurred in New York
Sonoma Orogeny
Nevada and Utah
Permian - Triassic
280 - 200 Ma
Antler Orogeny
Nevada and Idaho
Late Devonian - Early Pennsylvanian
375 - 300 Ma
Alleghanian Orogeny
Mid-Atlantic region
Carboniferous - Permian
335 - 250 Ma
Ancestral Rockies Orogeny
Current Rocky Mountains
Pennsylvanian
Acadian Orogeny
New England
Devonian
420 - 335 Ma
Taconic Orogeny
1st Crustal collision between the ancestral Europe and North American (Laurentia)
Vermont and New York
Ordovician - Silurian
Precambrian
Eon
Eras: Archean & Proterozoic
4.6 Ga - 541 Ma
Paleozoic Era
541 - 254 Ma
Cambrian Period
541 - 485 Ma
Ordovician Period
485 - 443 Ma
Silurian Period
443 - 419 Ma
Devonian Period
419 - 359 Ma
Carboniferous Period
355 - 299 Ma
Permian Period
299 - 251 Ma
Triassic Period
251 - 201 Ma
Jurassic Period
201 - 145 Ma
Cretaceous Period
145 - 66 Ma
Paleogene Period
66 - 23 Ma
Neogene Period
23 - 2.6 Ma
Quaternary Period
2.6 - Present
Nneumonic Device for Periods
Come Over Some Day, Maybe Play Poker. Three Jacks Take Queens
C - Cambrian O - Ordovician S - Silurian D - Devonian M - Mississippian P - Pennsylvanian P - Permian T- Triassic J - Jurassic T - Tertiary Q - Quarternary
