A granite with mafic xenoliths from Iceland. To explore gigapans of the outcrop, click either of these links:
Sea stacks along the coast of Shetland north of Eshaness - the rock is Devonian volcanics (lava + agglomerate).
Lava flow (with interesting 'mega-swirl' feature) over agglomerate. Devonian in age.
Chalk, chert, and basalt dominate the lithologies of these well-rounded beach cobbles.
Sill that intruded the Liassic shale on the east side of Portrush, Northern Ireland.
Dolerite sill that intruded the Liassic shale on the east side of Portrush, Northern Ireland.
Cross-cutting basement complex granitoids.
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