On the PC you could right click an item and Mark as Junk. At the merchant, you could sell All junk and be gone with it. On the Xbox One, you have to sell every item individually and there seem to be no way of marking items exept for Destroy item.

Is there a Mark as junk option on console or am I missing something?

This option would be awesome whan you're just standing around waiting for someone trying to get the map straight or something, sorting through your inventory instead of just doing nothing... Exept dancing or playing the drum, maybe