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Cretaceous Plutonism, Eastern Graham Land

Description

Typically granodiorite - gabbro hybrid plutons which outcrop widely. Emplacement age of 85 - 105 Ma. Associated with dolerite dyke intrusion.

Age

Cretaceous, 85-105 Ma1

Map Reference

Riley, T. R., Flowerdew, M. J. & Haselwimmer, C. E. Geological Map of Eastern Graham Land, Antarctic Peninsula (1:625 000 scale). Sheet 1, (British Antarctic Survey, 2011). Available here.

References

  1. RILEY, T.R., FLOWERDEW, M.J. & HASELWIMMER, C.E. 2011. Geological Map of Eastern Graham Land, Antarctic Peninsula (1:625 000 Scale). Cambridge, UK, British Antarctic Survey, BAS GEOMAP 2 Series. ↩