
																
																	Revisiting the Hubbert-Rubey pore pressure model for overthrust faulting: Inferences from bedding-parallel detachment surfaces within Middle Devonian gas shale, the Appalachian Basin, USA
																
																
																
															Keywords: Cleavage duplex; Slickenside; Hubbert-Rubey model; Gas shale; Marcellus shale; Overthrust faulting; Pore pressure;