There are women entering the profession, but numbers are relatively low. A good honours degree is required. This is not possible or unlikely A good honours degree in a relevant geology discipline is required. It is useful to have some related experience such as work in a mine or quarry. Good practical and communication skills, physical fitness and an energetic personality are important.
Languages are useful.
A driving licence is usually needed. Mature entrants may have difficulties depending on the nature or location of the employer. Relevant experience of work, study and research is important. Most are overseas, sometimes in Europe but usually in Africa, Australia and South America. Competition will fluctuate depending on world markets.