| 21. | Parts of the CMB follow shear zones of Precambrian age and the Paleozoic and Mesozoic.
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| 22. | Stretched pebble conglomerate L-tectonite illustrating a stretch lineation within a shear zone, Glengarry Basin, Australia.
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| 23. | Shear-heating associated with large shear zones in the crust has been proposed as the mechanism.
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| 24. | This shear zone is associated with one of the largest gravity anomalies known from continental interiors.
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| 25. | Fault systems and networks of active shear zones.
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| 26. | Therefore, these north-trending shear zones may have been tectonically active for at least a billion years.
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| 27. | Renewed tectonism along the Big Dan Shear Zone displaced sediments east of the Ontario Northland Railway.
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| 28. | Subsequent orogeny ( ca . 2680 2655 Ma ) resulted in shear zones and arcuate structures.
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| 29. | Some good examples of shear zones of the strike-slip type are the Borborema Shear Zone in Brazil.
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| 30. | The spatial arrangement of the lodes and gashes hints at a transtensional, dextral shear zone oriented NW-SE.
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