subdisciplines

Or, less generally, am I a geologist? I have a B.S. in geophysics and an M.S. in earth and planetary science with a funky geophysics/geohydrology emphasis. I took some intro physical geology and earth history as a sophomore, but I have never taken formal courses in mineralogy, petrology, structural geology, sedimentology, or stratigraphy. However, I've picked up the basics of these fields from older kids on the street corner and make use of them in my work. Please assume while you are answering the poll that my work involves using my knowledge of the Earth's history, processes, and…