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Language(s):
eng - English
Dates:
1978
Publication Status:
Finally published
Pages:
45
Publishing info:
Potsdam : Zentralinstitut für Physik der Erde
Table of Contents:
1. Introduction
2. Superordinate rotations of the East Pacific Rift between 20° and 60° N.
2.1. The clockwise rotation of the N.E. Pacific Rift 80 m.y.b.p. (1st period)
2.2. The counterclockwise rotation of the N.E. Pacific Rift :from 71 to 63 m.y.b.p. (2nd period)
2.3. Rotations of the rift during a transitional stage about 65 to 60 m.y.b.p. (3rd period)
2.4. The great clockwise rotation of the N.E. Pacific Rift 63 to 50 m.y.b.p. (4th period)
2.5. Rotations with a stabilizing function in a transitional stage from 50 to 40 m.y.b.p. (5th period)
2.6. The great counterclockwise rotation of the N.E. Pacific Rift 43 to 20 m.y.b.p. (6th period)
3. Total rotation of the East Pacific Rift between Clarion and Aja Fracture Zones
3.1. Sum of rotations of the rift
3.2. Special position of the plate section between 33° and 37° N.
3.3. The significance of the Mendocino-Pioneer double structure
4. Rotations of the Pacific-Antarctic Rift between 30° and 65° s.
4.1. Complex movements of the rift
4.2. Recent tendencies
5. Magmatic activity of the rift
5.1. Characteristics of rift activity
5.2. Hinge zones of the rift rotations
6. Plate deformation
6.1. Rift rotation at a collision of plates
6.2. Rift shortening due to compression
7. Conclusions
References
Rev. Type:
-
Degree:
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