geologically

/ˌdʒiːəˈlɑdʒɪkli/
adverb
  1. In a way that relates to the scientific study of the Earth's physical structure, history, and the processes that shape it.
    • Geologically speaking, the Grand Canyon is relatively young, formed only a few million years ago.
    • The two continents were geologically connected millions of years before they drifted apart.
    • The region is geologically stable, with very few earthquakes.