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Over 300 samples for paleomagnetic analysis and K–Ar dating were collected from 27 sites at NW–SE and NE–SW trending dike swarms (herein, NW dikes and NE dikes, respectively) in the Koshikijima Islands, northern Ryukyu Arc. The NW dikes are Middle Miocene in age and have directions (D=−37.7 ∘ , I=51.8 ∘ , α 95 =9.6 ∘ , and κ=40.8) that are deflected westward relative...
In this study we test whether pre-existing basement faults control deformation in the Prebetic zones of the Betic Cordillera. We focus on an area in the northern part of the Prebetics which is dominated by a transpressional fault system consisting of a NNE–SSW striking fault zone and E–W striking small-scale thrusts. Field observations show that both sets of faults formed in a regional NW–SE to NNW–SSE...
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