We can be certain that Job was a contemporary of Abraham. This means that when Job describes God overturning mountains, he's recounting something that happened recently, about 200 or so years before him.
Abraham and Job
Immanuel Velikovsky (1895-1979)
People will instinctively mock at the mention of Immanuel Velikovsky but, sadly, he was the last halfway decent scholar of our time. He made an objective evaluation of evidence and asked a lot of hard questions.
Earth in Upheaval
Earth in Upheaval is the name of a book by Immanuel Velikovsky which lays out his summary of the evidence for cataclysmic upheavals in the history of Earth.
September 15th
Earth in Upheaval is the name of a book by Immanuel Velikovsky which lays out his summary of the evidence for cataclysmic upheavals in the history of Earth. Like a lot of things, it's partly right and partly wrong.