Abstract
Located in the central-western region of the state of Goias, Brazil, the Crixas Greenstone Belt has a roughly triangular map outline. A tentative explanation to the deformational history of the greenstone is presented. It is believed that structures representing six deformational phases can be recognized, including the dominantly ductile and subordinate rigid ones. The deformational history of the studied area is refered to a more general model, which tries to explain the causes of such deformations. A dominant shear mechanism represented by near-recumbent isoclinal folds with the generally accepted bending folds described in the literature about other greenstone belt terrains ot the world.
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