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An anticline trace with both arrows pointing one way.
Also known as: Overturned upfold symbol, Overfold anticline symbol
On a geological map an overturned anticline is drawn with both limb arrows pointing in the same direction, marking a fold pushed past vertical so both limbs dip the same way.
Marks an anticline whose limbs both dip in the same direction, the fold having been pushed past upright.
Contexts: Maps
Implies substantial lateral compression, since a fold does not overturn without being pushed hard from one side.
Contexts: Maps
An axial line with both side arrows pointing the same way rather than in opposite directions.