![]() The fossilized and partly reactivated Middle Permian fold and thrust belt constitutes a new petroleum play for the exploration in the northern Peruvian Subandean basins. Late Permian salt, which has sealed the Middle Permian fold and thrust belt, controlled thin-skinned tectonics propagation and the development of the must large overthrust of the Peruvian Subandean zone. ![]() This west-verging thrust system is still active and causes the crustal and damaging seismicity of the Moyabamba region. ![]() A fossilized west-verging Middle Permian fold and thrust belt, which developed during the Gondwanide orogeny, has been partly reactivated by the Andean compression and controlled thick-skinned tectonics propagation. Geophysical data and the construction of two balanced cross-sections show that this structural configuration has been controlled by Permian inheritances. In northern Peru, the Huallaga-Moyabamba-MaraƱon Subandean foreland basin system results from the interaction between thin and thick-skinned tectonics.
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