地球内部过程 Geologic Tectonics Folds ② Meaining Geologic M has ie U.S 环境迪顶学 minoucntalocelogu ,率
地球内部过程 Geologic Tectonics • Folds
地球内部过程 Geologic Tectonics Folds Overmoded HEp' Conce 环境迪顶学 minoucntalocelogu ,率
地球内部过程 Geologic Tectonics • Folds
地球内部过程 Geologic Tectonics Folds (a) The dip of the axial plane: where it is vertical the dip of each limb is the same in magnitude, but opposite in Overmoded direction and the width of outcrop of any bed is the same on both sides of the axis. In inc lined folds, one limb is steeper and its outcrop is correspondingly narrower than that HEp' of the other Overfolding occurs where one limb is overturned, such that both limbs dip the same way. The rotation of the axial plane, seen from left to right in the diagram, is probably produced by transport of the fold with relative drag at its base. (b The size of the angle between the limbs: this reflects the intensity of Conce compression of the fold 环境迪顶学 minoucntalocelogu ,率
地球内部过程 Geologic Tectonics • Folds (a) The dip of the axial plane: where it is vertical the dip of each limb is the same in magnitude, but opposite in direction, and the width of outcrop of any bed is the same on both sides of the axis. In inclined folds, one limb is steeper and its outcrop is correspondingly narrower than that of the other. Overfolding occurs where one limb is overturned, such that both limbs dip the same way. The rotation of the axial plane, seen from left to right in the diagram, is probably produced by transport of the fold with relative drag at its base. (b) The size of the angle between the limbs: this reflects the intensity of compression of the fold