In the early 19th century, if you were a geologist and made a claim about the age of the Earth, you had to explain whether that was consistent or how it was or wasn't consistent with the age of the Earth implied by the account in Genesis.
Ein Geologe im frühen 19. Jahhundert musste seine Thesen zum Erdalter entweder entweder im Einklang mit  den Aussagen der Genesis halten oder erklären, warum dem nicht so war.