@elakdawalla tweeted, "I can't believe I'm not finding any search results for "ternary diagram funny." Can any geologists out there help me out?" I did a search, and found this one, which is fun, but not too pertinent to the Hallowed discipline that is Geology. I also found one from Georneys, which I thought was pretty clever, but which Emily apparently thought was not up-to-par in the humor department. I sent those links along, but followed that tweet with "But you're right... most are seriously intended. This is indeed a void in the geologic literature, crying to be filled."
So, in the interest of opening up a new area of investigation in geology, here is my (first) suggestion for a funny ternary diagram:
Okay, it's not going to make anyone die laughing, but it's my first shot...
Here are a couple of blanks if anyone else wants to chime in.
(From Wikipedia) A more formal (and larger) blank ternary diagram: