Gulf of California: A Result of Ocean-Floor Spreading and Transform Faulting

Gulf of California: A Result of Ocean-Floor Spreading and Transform Faulting

Ocean-floor spreading tore southern Baja California from mainland Mexico 4 million years ago and has subsequently rafted it 260 kilometers to the northwest along the Tamayo Fracture Zone. Magnetic-anomaly profiles indicate spreading at the mouth of the gulf at 3.0 centimeters per year and a rise-cre...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1968-08, Vol.161 (3843), p.781-784
Hauptverfasser: Larson, Roger L., Menard, H. W., Smith, S. M.
Format: Artikel
Sprache:eng
Schlagworte:
Bathymetry
Geology
Gulfs
Oceanography
Transform faults
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Beschreibung
Zusammenfassung:Ocean-floor spreading tore southern Baja California from mainland Mexico 4 million years ago and has subsequently rafted it 260 kilometers to the northwest along the Tamayo Fracture Zone. Magnetic-anomaly profiles indicate spreading at the mouth of the gulf at 3.0 centimeters per year and a rise-crest offset of 75 kilometers inside the gulf across the Tamayo Fracture Zone.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.161.3843.781