You can see the full list of admissions requirements by visiting the UL Lafayette Graduate School website.
To be admitted in regular status, you must have a degree in geology or a related field from an accredited university and meet the minimum GPA and GRE scores established by the Graduate School. Additional program-specific requirements may also apply. If you have not completed certain undergraduate geology courses before entering the graduate program, you may be required to complete some courses as determined by the Geology Graduate Committee.
Before entering the program, you should have knowledge of other related science and mathematics courses; the specific courses needed to satisfy this requirement will be determined by the Geology Graduate Committee if and when you're accepted into the program.