MERN - Québec Mines - Nouvelles brèves

May 2002

A few milestones in the history of diamond exploration in Québec:

James Moorhead and Marc Beaumier
Géologie Québec

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.


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