EAS105 Lecture Notes - Lecture 9: Greywacke, Pterosaur, Quadrupedalism

• School: University of Alberta
• Department: Earth and Atmospheric Sciences
• Course: EAS105
• Professor: Fred Clark

Document Summary

Jurassic evaporite and oolites in many places the rift basins are grabens, usually this style: usually asymmetrical, elongate, normal fault-bounded troughs. Sonoma orogeny continued on western north america (late permian - early. Triassic), [accreting sonomia, a broad island arc microcontinent, and the. Golconda terrane, an accretionary wedge from the intervening ocean basin] Dont need to know details for exam purposes [in brackets: jurassic. Break-up of pangaea became well established; the tethys sea described: [ proto-mediterranean ] propagated westward to separate north and south. America; note that north america and africa separated beginning in the. Minor sea level oscillations, coupled with continental reconfiguration, produced a major cratonic unconformity to terminate the absaroka. Early jurassic of western north america was like permo-triassic; arid and non-marine in mid and late jurassic, renewed marine incursion from nw produced a vast interior sea (e. g. sundance sea; fig.