Its primary purpose is to promote education in the earth sciences.
Its members have professional and hobbyist interests in geology, mineralogy, paleontology, and the lapidary arts.
Some members are professional scientists and educators, such as chemists, geologists, school teachers, and college professors.
The club hosts educational programs, field trips, and an annual show the first full weekend in March.
The group has also published over 60 articles about specific geological topics on its website.