De or het bauxietwinning?

The correct Dutch article is:

de bauxietwinning

Rule Words ending in -ing: almost always de. See the rule

How to use bauxietwinning

the bauxietwinningde bauxietwinning
this bauxietwinningdeze bauxietwinning
that bauxietwinningdie bauxietwinning
our bauxietwinningonze bauxietwinning
your bauxietwinningjouw bauxietwinning
every bauxietwinningelke bauxietwinning
which bauxietwinning?welke bauxietwinning?
a big bauxietwinning / the big bauxietwinningeen grote bauxietwinning, de grote bauxietwinning