Review of geometrical elements of folds 转折 面 A 拐 转折端 槽线 Geometric elements of folds inter-limb angle A.翼邵平直的稻皱的翼问角;以.弧形稻皱的翼闻角
Geometric elements of folds inter-limb angle Review of geometrical elements of folds
Classification of folds(continue) Based on four main features or properties I direction of closing and facing 2 attitude of axial surface 3 size of inter-limb angle, and 4 shape of profile 5 dip isogons
Classification of folds (continue) Based on four main features or properties: 1 direction of closing and facing 2 attitude of axial surface 3 size of inter-limb angle, and 4 shape of profile 5 dip isogons
A antiform B synform C neutral fold younger upwards-lacing older Facing towards the left Downwards-facing Classification of fold based on direction of closing and facing
Classification of fold based on direction of closing and facing Downwards-facing upwards-facing Facing towards the left
axial plane C overfold A upright B inclined crest ap for oil or gas nges D recumbent ough E Classification of folds based on the attitude of axial surface
Classification of folds based on the attitude of axial surface Trap for oil or gas
-180 Gentle O pen Close 120 Tight Isoclinal Classification of folds based on the inter-limb angle
Classification of folds based on the inter-limb angle Gentle Open Close Tight Isoclinal