You better figure out how to arrive at some coordinates, because volcanism works the same way.
It is too rare to be reliably finding a new location on your own. You are faster just hunting metallic meteorites or visiting known locations.
Here are
Geyser and
Fumarole lists. Tungsten is unfortunately not among the recorded elements yet, so you'd have to cross reference the bodies with eddb.
It'll be useful for other very rare elements, but you are probably better off finding the Orrere location for now.
edit: just noticed - Tungsten is not actually a very rare element - volcansim only works best for those (100% drop chance on needle crystals), everything else can be pretty jumbled.