Purdue University - Main Campus is one of the most popular schools in the United States for getting a doctor's degree in geological and earth sciences. Located in the city of West Lafayette, Purdue is a public university with a very large student population. You also may be intersted to know that the school ranks #1 in quality for doctor's degrees in geological and earth sciences in Indiana. More information about a doctorate in geological and earth sciences from Purdue University - Main Campus