| Authors | Year | Title | Publisher |
| Naslund HR, Conrad ME, Urquhart J & Turner PA | 1986 | Computer simulations of apparent grain sizes in thin sections - applications to grain size variation in the Skaergaard intrusion | EOS, Transactions of the American Geophysical Union 67, p. 384 only |
| Urquhart J | 1986 | Depth of emplacement and cooling history of the Skaergaard intrusion, East Greenland, as revealed by fission track dates | Unpublished M.S. dissertation. Dartmouth College, Hannover, New Hampshire |
| Urquhart J & Naslund HR | 1988 | Depth of emplacement for the Skaergaard Intrusion, East Greenland as revealed by fission-track dates | Geological Society of America Abstracts with Programs 20, p. 77 only |