Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Mount Champlain Pluton (Welsford Complex)

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Occurrence number: 
031-00-165
Country: 
Canada
Region: 
New Brunswick
Location: 
Longitude: -66.2, Latitude: 45.5
Carbonatite: 
No

The central part of the Mount Champlain pluton is a leucocratic arfvedsonite granite; fayalite-bearing syenites also occur. Elpidite is present in miarolitic cavities.

Age: 
388 Ma (K.L. Currie, personal communication, 1985).
References: 
CURRIE, K.L. 1984. A reconsideration of some geological relations near Saint John, New Brunswick. Paper, Geological Survey of Canada, 84-1A: 193-207. Currie, K.L. personal communication, 1985. Martin, R.F. personal communication, 1983.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith