Bowmore Sandstone Group

Bowmore Sandstone Group Stratigraphic range: Neoproterozoic
Laggan Formation at Eilean Mhic Ghoile, near Bowmore, Islay
Type	Group
Sub-units	Laggan Formation, Blackrock Formation
Lithology
Primary	Sandstone
Other	Shale, siltstone
Location
Region	Inner Hebrides
Type section
Named for	Bowmore

The Bowmore Sandstone Group is a sequence of metasedimentary rocks, dominantly sandstones, of probable Neoproterozoic age. Their outcrop on the island of Islay in the Inner Hebrides is entirely fault-bounded, between the Loch Gruinart Fault to the west and the Loch Skerrols Shear Zone to the east.