Geology Notes January 28th
Geology Notes January 28th Geol 2150
Popular in Geologic History of Dinosaurs
Popular in Environmental Science
This 2 page Bundle was uploaded by Imani Notetaker on Thursday February 11, 2016. The Bundle belongs to Geol 2150 at Bowling Green State University taught by Dr. Peg Yacobucci in Winter 2016. Since its upload, it has received 44 views. For similar materials see Geologic History of Dinosaurs in Environmental Science at Bowling Green State University.
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Date Created: 02/11/16
geology Mesozoic Climates \ What does climate mean -temperature -humidity precipitation vs. evaportation -wind patterns -seasonality Types of climates Boreal temperate tropical -from hot to cold bottom to top rainforest: tropical temperate ever-wet continental: temperate boreal humid mediterranean: temp wet-dry monsoonal: tropical wet-dry tundra: boreal arid steppe: boreal arid Desert: temp arid How can you know summer-wet v. winter-wet Uniformitarianism or Actualism Sir Charles Lyell: If at all possible, we should use presently observable phenomena to explain the past. The present is the key to the past. evidence of Paleoclimates Sedimentary rock types -evaporite (evaporation) deposits indicate arid conditions -red beds (bed of sandstone that is red form when little pieces of sand or silk get coated with rust) indicate hot and semi-arid to arid conditions -Coal/peats indicate wetlands (standing water) swamp (wet forest) -alternating oxidized and unoxidized sediments indicate seasonally flooded wetlands red (exposed to the air) grey (underwater) Fossil sand dunes indicate prevailing wind directions Temperature-dependent mineral geochemistry of rocks and fossils Climate-sensitive fossil species anatomy of fossil plants (leaf margins, tree rings) reflects temperature, humidity, and seasonality. the theropod Coelophysis in a swampy habitat the sauropodomorth How can a place be wet and dry? Judith Totman Parrish said Monsoons Warm but very seasonally wet and dry
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