![Thin lacustrine delta plain - fluvial cycles (Piru Gorge Member) prograding across the northeast margin of Ridge Basin, California (image taken by a loitering geologist).](https://www.geological-digressions.com/wp-content/uploads/2021/06/strike-slip-basins-piru-gorge-300x200.jpg)
Basins formed by strike-slip tectonics
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By the early 1970s, the new tectonics (the plate kind) had established a firm grip
By the early 1970s, the new tectonics (the plate kind) had established a firm grip
In 1940-41, Harold Wellman, a creative but somewhat irreverent New Zealand geologist, along with his