| 1955 |
Discovery
of kimberlite dykes at Lac Bachelor near Desmaraisville, in
the north-central part of the Abitibi Subprovince, during
an exploration program for gold (Watson, 1955). |
| 1968 |
Discovery
just west of Montréal, on Île Bizard, of the
"Sugar loaf", a rock considered at the time as a
kimberlite (Brummer, 1978). |
| 1978 |
Discovery
of kimberlite dykes near the northern margin of the Otish
basin during an exploration program for uranium conducted
by Uranerz (Gehrish and al., 1979). |
| 1983 |
Discovery
of a kimberlite pipe in Guigues Township in the Témiscamingue
region by Monopros (Brunet, 1983). |
| 1992 |
Discovery
of a diamond-bearing kimberlite pipe near Desmaraisville by
Explorations minières du Nord Ltée. (Field and
Tainton, 1993). |
| 1993 |
Discovery
of diamond-bearing ultramafic lamprophyre dykes in the Fjord
Alluviaq (Abloviak) area, on the east coast of Ungava Bay
in the Monts Torngat by scientists of the Université
du Québec à Montréal (Digonnet and al.,
2000). |
| 1993 |
Discovery
of kimberlites in Notre-Dame-du-Nord in the Témiscamingue
region (Thomas, 1994). |
| 1995-1998 |
Discovery
of diamond-bearing ultramafic lamprophyres in the Grenville
Province south of the Témiscamingue region by Ditem
Explorations (Brack, 1996). |
| 1997-1998 |
Assessment
by Ditem Explorations of a diamond-bearing kimberlite
pipe adjacent to kimberlite dykes discovered by Uranerz near
the Otish basin (Brack, 1998,1999). |
| 1999-2001 |
Exploration
and assessment of dykes in the Fjord Alluviaq area (Monts
Torngat) by Twin Mining and other companies. |
| 1998-2001 |
Exploration
and delineation of indicator mineral trains in areas west
of Wemindji by Majescor Resources, and north of the Monts
Otish by SOQUEM/Ashton and Majescor Resources. |
| 2001-2002 |
Discovery
of two diamond-bearing kimberlite pipes in the
Renard sector, north of the Monts Otish by SOQUEM/Ashton in
December 2001, and of four other kimberlites in the winter
2002. |
| 2001-2002 |
Discovery
of diamond-bearing mafic lamprophyre dykes in an area south
of Réservoir Robert-Bourassa by Dianor
Resources. |
| 2002 |
Discovery
of kimberlite sills in an area east of Wemindji by Majescor
Resources. |