#EpochExuberance 2021 Tournament of Geologic Time

card announcing Cretaceous Period as champion of 2021 AGU Tournament of Geologic Time

If you thought last year’s #GlacierGladness tournament was cool, get ready. AGU’s March tournament madness is back in 2021 with an all-new field of geophysical competitors. The #EpochExuberance starts 22 March 2021. Four and half billion years. One epic winner.

Download and fill out your own bracket. Tweet an image of your completed bracket @theAGU with hashtag #EpochExuberance (non-twitter users can email [email protected]) before round one voting closes on March 26th for a chance to win a fabulous prize.

Follow us on twitter to learn about the latest research related to geologic history, join the fun and try to sway the vote. Cheer for your team. Gently* trash talk the competition.

Match winners will be determined by popular vote. Check back here for links to the voting forms as they open.

Schedule of matches:

Semifinal Results

  • Archean Eon (46.6%) lost to Ordovician Period (53.4%)
  • Cretaceous Period (56.8%) defeated Paleogene & Neogene Periods (43.2%)

Round 2 Results

  • Bracket for Epoch Exuberance tournament of geologic time round 2 matchesArchean Eon (51%) defeated Cambrian Period (49%)
  • Ordovician Period (51.1%) defeated Carboniferous Period (48.9%)
  • Triassic Period (25.5%) lost to Cretaceous Period (74.5%)
  • Paleogene & Neogene Periods (70.8%) defeated Holocene Epoch (29.2%)

Round 1 Results

  • Bracket for Epoch Exuberance tournament of geologic time round 1 matchesHadean Eon (39.8%) lost to Archean Eon (60.2%)
  • Proterozoic Eon (46.4%) lost to Cambrian Period (53.6%)
  • Ordovician Period (68.5%) defeated Silurian Period (31.5%)
  • Devonian Period (57.5 lost to Carboniferous Period (42.5%)
  • Permian Period (48.6%) lost to Triassic Period (51.4%)
  • Jurassic Period (38.5%) lost to Cretaceous Period (61.5%)
  • Paleogene & Neogene Periods (65.4%) defeated Pleistocene Epoch (34.6%)
  • Holocene Epoch (72.8%) defeated Anthropocene Epoch (27.2%)
A chart depicting the Geologic Time Scale version 5.0 created by the Geological Society of America in 2018.

The Geologic Time Scale (2018) from our friends at the Geological Society of America.

*A special note on the Anthropocene:
The geologic time scale has been the subject of famous scientific feuds (see: the Great Devonian Controversy). The definition and utility of the Anthropocene is today’s big debate. Take any position on the concept of the Anthropocene you want—it is or is not real, started in 1950 or 350 years ago or 50,000 years ago—we just ask that you be kind to those who disagree with you.