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Exceptional Fossil preservation
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Ya Ha Tinda and Mass Extinction in the Early Jurassic
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- 1 Intro
- 2 A new Jurassic "fossil bonanza" from Southern Alberta The Ya Ha Tinda Lagerstätte
- 3 What Motivates my Research? • Concern about ecosystems today. • Mass extinctions and ancient biotic crises as analogues for modern ecological change. • How do marine ecosystems survive catastrophic e…
- 4 August 2013 - In search of an
- 5 Exceptional Fossil preservation
- 6 Vertebrates - Fish & Ichthyosaurs
- 7 Crustaceans - Shrimp
- 8 Crustaceans - Uncinid Lobsters
- 9 Crustaceans - Eryonid Lobster Specimen = 10 cm
- 10 Coleoids (Vampyropoda)
- 11 Ammonites
- 12 and a host of other flora & fauna
- 13 We have a new Lagerstätte...
- 14 In search of the Early Jurassic Oceanic Anoxic Event (-183 Ma)
- 15 Extinction(s) and Ecological Collapse(s)
- 16 Background - Early Jurassic The Pliensbachian/Toarcian and Toarcian Oceanic Anoxic Event are key intervals in the Early Mesozoic
- 17 Karoo-Ferrar-Chon Aike Large Igneous Province (LIP) • Eruptions coincident with extinctions and isotope excursions. • Synergistic environmental changes.
- 18 The 'Deadly Trio
- 19 The Oxygen Minimum Zone
- 20 Interdisciplinary Science
- 21 East Tributary of the Bighorn Creek
- 22 Size of the Bivalves & Brachiopods
- 23 Pre-CIE interval
- 24 CIE phase 2 (Minima)
- 25 What environmental conditions caused the biotic turnover?
- 26 Paleophysiology and oxygenation dynamics during the T-OAE
- 27 Dynamic Expansion/Contraction of Oxygen Minimum Zones
- 28 What about the rest of the world at this time?
- 29 Ya Ha Tinda vs. Europe
- 30 Similar Lagerstätten in Canada and Europe
- 31 Current Work on Ya Ha Tinda: Taphonomy & Fossil Preservation
- 32 Conclusions
