Transcription of GSA GEOLOGIC TIME SCALE v. 5
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GSA GEOLOGIC TIME SCALE v. 5
GSA GEOLOGIC time SCALE v. CENOZOIC MESOZOIC PALEOZOIC PRECAMBRIAN. MAGNETIC MAGNETIC BDY. AGE POLARITY PICKS AGE POLARITY PICKS AGE PICKS AGE. PERIOD EPOCH AGE PERIOD EPOCH AGE PERIOD EPOCH AGE EON ERA PERIOD AGES. CHRON. CHRON. (Ma) (Ma) (Ma) (Ma). ANOM. (Ma) (Ma) (Ma). ANOM. HIST. HIST. (Ma). HOLOCENE 1 C1 QUATER- 30 C30 541. CALABRIAN. NARY PLEISTOCENE* 31 C31 MAASTRICHTIAN EDIACARAN. 2 C2 GELASIAN. 70 Lopin- CHANGHSINGIAN PIACENZIAN 32 C32 635. 2A C2A. PLIOCENE gian WUCHIAPINGIAN. CRYOGENIAN. ZANCLEAN 260 720. 33. CAPITANIAN NEOPRO- PERMIAN. 5 3 C3. CAMPANIAN Guada- 750. CRETACEOUS. C33. 80 WORDIAN TEROZOIC. 3A C3A MESSINIAN LATE lupian ROADIAN TONIAN. 4. SANTONIAN KUNGURIAN. C4 280 ~ NEOGENE. 4A CONIACIAN Cisura- C4A TORTONIAN 90 1000 1000. PROTEROZOIC. 10 TURONIAN ARTINSKIAN. 5 lian C5 MIOCENE. CENOMANIAN SAKMARIAN STENIAN. SERRAVALLIAN 34 C34 ASSELIAN 5A 100 300 GZHELIAN 1200. C5A. LATE CARBONIFEROUS. PENNSYL- KASIMOVIAN 1250 MESOPRO- VANIAN. 15 5B C5B LANGHIAN ALBIAN MOSCOVIAN ECTASIAN.
3.600 5.333 7.246 11.63 13.82 15.97 20.44 23.03 27.82 33.9 37.8 41.2 47.8 56.0 59.2 61.6 66.0 2.58 *The Pleistocene is divided into four ages, but only two are shown here. What is shown as Calabrian is actually three ages—Calabrian from 1.80 to 0.781 Ma, Middle from 0.781 to 0.126 Ma, and Late from 0.126 to 0.0117 Ma.
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