Chemfeul saturated lodes in mountains

[Crow_T]

In the same spirit as There Will be Blood I was thinking it would be cool to come across chemfuel-laden (or a precursor to be refined) veins while mining. However, they have a chance of exploding while mined, or when the adjacent rocks get mined down to a certain % and the chemfuel fumes leak through. There should be a warning, eg. x catches a whiff of some fumes... Mining skill could lessen the chance of explosions, one could also suit up miners in power armor if one really needed the space.