I'm a geologist and will save you some googling: it probably looks like a very large phallic obiect forcing itself into one phat rock formation.
Am geologist. No one I've ever worked with or been in a class with has cared. I didn't think I've ever heard anyone even snicker. Although we're in USA which spells it dike.
I have seen a Gen X straight white man have to correct someone's spelling and then stammer over explaining that spelling it 'dyke' has another meaning here but is the way it is spelled in Europe.
all you have to do is call it a dick, then of course when you lick rocks because you are a geologist you ca