Relating to the study of sediments and the processes that form them.
The word 'sedimentologically' is used in scientific and academic contexts to talk about the study of how sediments are made and changed over time.
Examples:
She works on sedimentologically important research.
The scientist studies rocks sedimentologically.
Sedimentologically, the river has changed a lot over the years.
He talks sedimentologically, but I don't understand.
Sedimentologically speaking, this is a very interesting find.
The book is about the earth, sedimentologically.