Chatham Islands Imported: 6/5 Glen
Reviewed by GB/HB - Good to go.
Glen: natural=bare_rock is the way to go as far as I can see.
HB: see also rock_pnt, which is tagged the same. tag as land=yes?
very useful read: http://wiki.openstreetmap.org/wiki/Talk:Proposed_features/rock
bare_rock is only proposed on the last few weeks!