Alkaline Rocks and Carbonatites of the World

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

Valentine Township

stripes

Occurrence number: 
031-00-062
Country: 
Canada
Region: 
Ontario
Location: 
Longitude: -81.5, Latitude: 50
Carbonatite: 
Yes

Two drill holes intersected carbonatites and syenitic rocks at depths of about 130-160 m beneath Palaeozoic sediments and overburden.

Economic: 
In one drill hole carbonatite averaged 0.22% Nb205 over about 80 m.
References: 
FERGUSON, S.A. 1971. Columbium (niobium) deposits of Ontario. Mineral Resources Circular, Ontario Department of Mines and Northern Affairs, 14: 1-58.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith