EARTH 10 Lecture Notes - Lecture 9: Orogeny, Rodinia, Phanerozoic
Document Summary
Rodinia: lifespans: ~750-1000 mya, sweat hypothesis: southwestern u. s. and e antarctica. Sw u. s. was at one time connected to e antarctica: e antarctica and laurentia (early n america) Along the present pacific margin of n america: part of a pre-pangea supercontinent, pangea: existed during late paleozoic and early mesozoic eras. Ended ~175 mya: earth: 4. 6 billion years old, oldest rocks in antarctica: 4 billion years old. Mark the napier orogeny: rest of e antarctica craton assembled by about 1 billion years ago by a series of.
