Fission Track Evidence on the Initial Rifting of the Red Sea: Two Pulses, No Propagation

Details Fission Track Evidence on the Initial Rifting of the Red Sea: Two Pulses, No Propagation Fission Track Evidence on the Initial Rifting of the Red Sea: Two Pulses, No Propagation

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sci...270.1341o&link_type=abstract

Science, Volume 270, Issue 5240, pp. 1341-1344

Physics

33

Scientific paper

Fission track analyses indicate that the Red Sea initially opened simultaneously along its entire length. Two distinct pulses of uplift and erosion characterized the early stages of rifting in the Red Sea throughout Egypt and in southwestern Saudi Arabia. The first pulse began at ~34 million years ago (Ma). The second pulse began in the early Miocene (21 to 25 Ma) and marked the start of the main phase of extension. These data support a rigid plate model for continental extension. These results also indicate that the initiation of rift flank uplift, and therefore rifting, and volcanism occurred nearly simultaneously. This conflicts with classical models of active and passive extension that predict sequential development of these features.

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