Fig. 10: Top basement unconformity blend map from the Utsira High.
From: The North Sea rift basement records extensional collapse of the Caledonian orogen
Color differences reveal a folded structural pattern with first-order folds at the 10 km scale, but with many smaller higher-order folds. Hence these folds are similar in size to the offshore Gulen and related folds to the north, but with a more complex geometry. Upper left inset: Core photo from a basement well within the area, showing a deformed intermediate magmatic lithology (orthogneiss). Upper right inset: field photo (Nordheimsund, Hardanger) from the same tectonostratigraphic basement unit (Upper Allochthon), showing similarly varying lithology (dark mafic and light felsic layers) exposing a complex deformation pattern at the decimeter scale. See Fig. 1 or Fig. 7 for the location of the main image.
