University:
Amherst College
Course:
GEOL 291 | Structural Geology
Academic year:

2024
Views:

396

Pages:

22
Author:

Ivy Werner

Eocene (Anomaly 21 time) Greenland on it own plate Oligocene (Anomaly 13 time) Greenland on North American plate Miocene (Anomaly 6 time) Greenland on North American plate Pangea What happened during breakup? Why did it break up? Rifting: formation of a new MOR Continental rifting: stretching of old continental lithosphere Drifting: formation of new oceanic lithosphere Rift initiation: East African rift Initiation at a triple junction Rift initiation: East African rift Initiation at a triple junction Rift valley: East Africa Rift valley: graben with normal faults on both sides Rift valley: East Africa Volcanism: including funky lavas upwelling asthenosphere fecompression melting most syrup-rich partial melt Rift valley: East Africa Olduvai gorge Cradle of humanity? Rift initiation: East African rift Initiation at a triple junction Triple junction and start of spreading Upwelling asthenosphere Basin and Range Active rift? California rifting from the US? Ranges of Paleozoic rocks Basins with Miocene and younger clastic sediment. Steep normal fault bounded range front Triple junction and start of spreading

Rifting Part 3

Related Documents

Description

Related Documents

Free up your schedule!

Take 5 seconds to unlock