12/11/2023 0 Comments Macioci garage incNew bathymetric and magnetic data have been collected by the R/V Marion Dufresne (1983) and the R/V Jean Charcot (1984), on the western part of this ridge, between the Rodriguez Triple Junction (25.5°S, 70.0Â☎) and the Amsterdam and Saint-Paul islands (38°S, 78Â☎). These data bring additional information on the seafloor magnetic pattern produced by the Southeast Indian Ridge during the past 20 m.y. A new tectonic chart is proposed for the area around the Amsterdam and Saint-Paul islands. We have mapped 17 isochrons ranging from anomalies 6 to 1 (20.5-0.7 Ma) based on the compilation of all the data available in this area (25 cruises). Their distribution clearly shows asymmetric features. ![]() Reconstructions at short time intervals show that stage poles of rotation describe oscillatory movements along a direction parallel to the Southeast Indian Ridge axis. Seafloor spreading on the Southeast Indian Ridge over the last one million years: a test of the Capricorn plate hypothesis Observed changes in spreading rates and the stability of the spreading directions since the Miocene support this result. Plate motions in the Indian Ocean are inconsistent with a rigid Indo-Australian plate. ![]() An equatorial, diffuse boundary dividing the plate into separate Indian and Australian plates significantly improves the fit of kinematic plate models to the spreading rates, transform azimuths, and earthquake slip vectors on the spreading center boundaries. An additional boundary, further dividing the Australian plate into Australian and Capricorn plates has been proposed to account for much of the remaining inconsistency and the pattern of intraplate earthquakes. ![]() The proposed boundary is Ëœ2000 km wide where it intersects the Southeast Indian Ridge. Several recent geophysical cruises to the Southeast Indian Ridge, including a cruise within the proposed boundary, provide many new data for investigating the validity of the Capricorn plate model. These new observations strongly support the hypothesis that the Capricorn plate exists. Call (740) 653-0381 to book an appointment or to hear more about the services of Toms Sunoco.Statistical tests of the data from the Southeast Indian Ridge alone are not sufficient to confirm it, but motion about the Rodriguez Triple Junction (RTJ) suggests some non-rigidity in the Antarctica-Australia-Somalia circuit. Toms Sunoco located at 602 E Main Street in Lancaster, OH services vehicles for Oil Change and Lube, AC and Heating Repair, Alignment, Alternator and Starter Repair, Auto Inspection, Auto Repair, Brake Repair, Clutch Repair, Diagnostic Services, Electrical Repair, Emissions Testing, Engine Repair, Fuel Injection Repair, Interior Repair, Mufflers Repair, Radiator Repair, Retail Tire, Service Stations, Electric Car Repair, Speedometer Repair, SUV Repair, Tire Balancing, Transmission Repair, Tune up, Gas Stations, Service Station, Exhaust Repair, Fleet Services, Steering Repair, Suspension Repair, Car Accessories, Headlight Restoration, Timing Belt Replacement, Tire Changes, Jump Starts, Factory Wheels, Wheel Repair, Engine Installation, Sensor Repair, General Maintenance, Hybrid Repair, Power Window Repair, Car Battery Installation, Torque Converter Repair, CV Axle Repair, European Car Repair, Tire Repair.
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