地球内部过程 Geologic Tectonics Folds Flow folding is produced when incompetent rocks flow in a complex pattern of movement to accommodate Overmoded either the local stresses related to the buckling of competent beds or lateral changes in the loads of overburden compressing them. The pattern of folds which results is us ually complicated HEp' and such that the shape of one folded bed may bear little obvious relationship to that of another. Folding is then disharmonic. Folds involving a thick layer of salt are of this type. The salt which is highly incompetent, rises locally as salt pillows and salt plugs olding the beds above them to form salt domes Conce 环境迪顶学 minoucntalocelogu ,率地球内部过程 Geologic Tectonics • Folds Flow folding is produced when incompetent rocks flow in a complex pattern of movement to accommodate either the local stresses related to the buckling of competent beds or lateral changes in the loads of overburden compressing them. The pattern of folds which results is usually complicated, and such that the shape of one folded bed may bear little obvious relationship to that of another. Folding is then disharmonic. Folds involving a thick layer of salt are of this type. The salt, which is highly incompetent, rises locally as salt pillows and salt plugs, folding the beds above them to form salt domes