Scottish independence

[midden]

what, for instance, will be the debt situation for Scotland after?

Well that's another reason why there will be a currency union.  If there is no currency union, then Scotland is free to walk away from UK debt.  Under a currency union we will have to shoulder our fair share of the debt.
 

Surely as with all divorces the proportion of debt will be offset when sharing out the gold. Thus the more debt we can show Scotland responsible for  (say like the cost for constructing and maintaining that parliament building) the less gold share they'll get