geologically
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/ˌdʒiːəˈlɑːdʒɪkli/
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/ˌdʒiːəˈlɒdʒɪkli/
in a way related to the study of Earth's physical structure and history
Geologically, this area is very young, having formed only 10,000 years ago.
in a way related to the origin and history of rocks and soil in an area
Geologically, these mountains are ancient, dating back over 300 million years.