Elgol Sandstone Formation

The Elgol Sandstone Formation is a geological formation in Scotland, part of the Great Estuarine Group. It spans the transition between the Bajocian and Bathonian stages of the Middle Jurassic. The lithology consists of clay rich sandstone interbedded with silty fissile mudstone. [1]

Elgol Sandstone Formation
Stratigraphic range:
Sandstones of the Elgol Sandstone Formation, exposed in the cliff behind Elgol school
TypeGeological formation
Unit ofGreat Estuarine Group
UnderliesLealt Shale Formation
OverliesCullaidh Shale Formation
Thicknessup to 32 metres (100 ft)
Lithology
PrimarySandstone
OtherMudstone
Location
RegionEurope
Country Scotland
ExtentInner Hebrides
Type section
Named forElgol
Named byHarris and Hudson
LocationPort Na Cullaidh
Year defined1980
Thickness at type section22 metres (70 ft)

References

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