Abstract

An appreciation of how structures form in deformed rock is greatly aided by appropriate model analogues. We describe the method of construction and use of a device to simulate structures produced in fault zones of dominantly strike-slip motion. Simple modifications to the apparatus allow simulation of transtension and transpression as well as pure strike-slip fault motion. The structures which develop in the models include both synthetic and antithetic Riedel shears, en echelon folds and extension cracks. Numerous natural examples are illustrated in the literature from strike-slip zones around the world. We illustrate the formation of these structures using the apparatus and compare them with natural examples.

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