dirty hands geology
Nickname for geology lab research done indoors with soil samples from outside. Derives from the fact that such research, if done properly, will make your hands dirty (similar to "muddy boots biology").
Ethan: "My hands are all dirty from finding the pH of my soil sample"
Andrew: "Well, what did you expect? This IS dirty hands geology for Pete's sake!"
Andrew: "Well, what did you expect? This IS dirty hands geology for Pete's sake!"