Regional geology of north-west Scotland showing relationship of the Stoer Group, and directional features within it, to the Lairg Gravity low and the Moine Thrust. The radial dotted lines are projected from key Stoer Group sites to the centre of the Lairg Gravity Low. From Simms (2015)
(toriherridge.com/).
Bouguer gravity residual anomaly of the Lairg proposed impact structure. A buried complex structure with an inner peak ring of 50 km diameter und derived 100 km full diameter
(Simms, Ernstson, 2019).