Geologic Calendar

#	Item
1	Climate, environment, and humans in North America’s Great Basin during the Younger Dryas, 12,900-11,600 calendar years ago Add to Reading List Source URL: csfa.tamu.edu Language: English - Date: 2014-11-05 15:20:15 Geologic time scale Climate history Climate Blytt-Sernander Lakes Lake Bonneville Younger Dryas Bonneville Great Basin Physical geography Pleistocene Phanerozoic
2	Climate, environment, and humans in North America’s Great Basin during the Younger Dryas, 12,900-11,600 calendar years ago Add to Reading List Source URL: www.centerfirstamericans.com Language: English - Date: 2014-11-05 15:20:15 Geologic time scale Climate history Climate Blytt-Sernander Lakes Lake Bonneville Younger Dryas Bonneville Great Basin Physical geography Pleistocene Phanerozoic
3	Time period Major evolutionary event General conversion multiplier Distance run in a 10-kilometer race Distance on a football field (100 yards) Distance on a soccer field (100 meters) Age in an ave. human lifespan (76 yr Add to Reading List Source URL: www.actionbioscience.org Language: English - Date: 2007-12-11 16:53:37 Permian Triassic Geologic Calendar