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Determine the rates, orientation, and timing of tectonic seafloor opening in the Algerian Basin behind the Gibraltar Arc.

October 1, 2004Terra Nova

E–W opening of the Algerian Basin (Western Mediterranean)

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Determine the rates, orientation, and timing of tectonic seafloor opening in the Algerian Basin behind the Gibraltar Arc.
Evaluated geological and geophysical datasets across the Western Mediterranean's Algerian Basin.
Reconstructed regional seafloor spreading kinematics and extension rates active between 16 and 8 Ma.
Demonstrated rapid east–west crustal spreading between 16 and 8 Ma in the region behind the Gibraltar Arc.
Identified differential extension rates reaching 2 cm yr⁻¹ in the eastern sector and 5 cm yr⁻¹ in the western sector.

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Geological study reveals rapid east–west crustal spreading in the Algerian Basin, indicating dynamic back-arc opening behind the Gibraltar Arc.

Mauffret et al. (2004) studied this question.

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Geological study reveals rapid east–west crustal spreading in the Algerian Basin, indicating dynamic back-arc opening behind the Gibraltar Arc.