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The Gulf of California Rift Zone (GCRZ) is the northernmost extension of the East Pacific Rise which extends some 1,300 km (800 mi) from the mouth of the Gulf of California to the southern terminus of the San Andreas Fault at the Salton Sink. The GCRZ is an incipient rift zone akin to the Red Sea Rift.
This extension of the East Pacific Rise is often referred to as the Gulf of California Rift Zone. The Gulf would extend as far as Indio, California, except for the tremendous delta created by the Colorado River. This delta blocks the sea from flooding the Mexicali and Imperial Valleys. Volcanism dominates the East Pacific Rise.
2 Gulf of California Rift Zone (GCRZ) 3 Yucatán. 4 Central Mexico. 5 Southern Mexico. ... List of seismic fault (and systems, zones) in Mexico Baja California Peninsula
It is an integral part of the Gulf of California Rift Zone, the northern extremity of the East Pacific Rise. The Guaymas Fault runs from the San Pedro Martir Basin located at the southern end of the San Lorenzo Fault (the next transform to the north), and extends southward to the Guaymas Basin , a heavily sedimented rift which includes both ...
The boundary along the Gulf of California is complex. The gulf is underlain by the Gulf of California Rift Zone, a series of rift basins and transform fault segments from the northern end of the East Pacific Rise in the mouth of the gulf to the San Andreas Fault system in the vicinity of the Salton Trough rift/Brawley seismic zone.
Hydrothermal vent diagram. Hydrothermal circulation, or the circulation of hot water, is a predominant feature of the Guaymas Basin. Hydrothermalism is mainly observed in the southern trough of the basin where hydrothermal vents make up a hydrothermal complex on the seafloor by creating mounds, chimney structures, and sediments. [7]
The northwestern end of the trough starts at the San Gorgonio Pass in Riverside County and extends 115 miles (185 km) southeast to the Gulf of California. [3] Major geographical features located in the trough include the Coachella Valley , the Salton Sea , and the Imperial Valley , in the United States, and the western side of the Mexicali ...
The Alarcon Basin is a submarine depression located on the seabed at the southern end of the Gulf of California. The basin results from the activity of the southernmost spreading center in the Gulf. This spreading center has also produced the southernmost oceanic rift in the Gulf of California Rift Zone, the Alarcon Rise.