Crossword Help Forum
Forum Rules

Cannot fathom these last 2 so need your help please.

12 down) In geology, a diapir structure formed by evaporite minerals such as halite(4,4) ?a??/?o?e
19across intersects with 12down's 4th/last letter of 12d's first word, too.
19a)Three dimensional figure such as a polyhedron when laid out flat(3) N??

Ta v much, Si

The first is 'salt dome'
According to Wiki anyway lol

And that will make the second 'net'

Ace, cheers v much! Wiki sometimes needs taking wtih a pinch of salt, lol. Kind regards, Si