The plunge of a fold is the angle between the fold axis and the horizontal within the axial plane Fig.11.12 Plunging anticline syncline pairs Note the"V outcrop pattern Fia. 11 Monoclines MIDTERM- NOVEMBER 14 BRING A SOFT PENCIL A sudden steepening in an otherwise gently dipping Fig.11.14 FINAL EXAM DEC.17,12:00 GOLD GYM Ba Rock deformation Domes and basins are rounded versions of synclines Fractures and anticlines Domes: anticlinal cireular structure Fracture Direction of Dip Angle synclinal circular structure Types Displacement Normal Fault Hanging >45 degree 1g.11.14 (dip slip fault Reverse Fault Hanging wall up dip slip fault) Thrust faul Hanging wall up <45 degree (dip slip fault) Strike-slip Faulthorizontal (strike slip fault)3 Fig. 11.11 The ìplungeî of a fold is the angle between the fold axis and the horizontal within the axial plane Fig. 11.12 Plunging anticline- syncline pairs Note the ìVî outcrop pattern MIDTERM ñ NOVEMBER 14 - BRING A SOFT PENCIL! FINAL EXAM DEC. 17, 12:00 GOLD GYM Monoclines A sudden steepening in an otherwise gently dipping strata is called a monocline. Fig. 11.14 Domes, Basins Domes and basins are rounded versions of synclines and anticlines. Domes: anticlinal circular structure Basin: synclinal circular structure Fig. 11.14 Rock Deformation Fractures Normal Fault Hanging wall down > 45 degree (dip slip fault) Reverse Fault Hanging wall up > 45 degree (dip slip fault) Thrust Fault Hanging wall up < 45 degree (dip slip fault) Strike-slip Fault horizontal 0 degree (strike slip fault) Fracture Direction of Dip Angle Types Displacement