Did Baja British Columbia migrate 3000 km north along western North America between 85 and 55 Ma? The issue is a classic example of conflict between paleomagnetic data and geologic observations. After much debate, several disagreements between paleomagnetists and geologists in the past. Is the Baja BC hypothesis ready to come to a rest, or is the controversy just beginning? Here are the facts.
Department of Geological Science
University of Colorado at Boulder