Alkaline Rocks and Carbonatites of the World

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Henninga Lake

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Occurrence number: 
031-00-009
Country: 
Canada
Region: 
Northwest Territories, Keewatin
Location: 
Longitude: -96.4, Latitude: 62

This approximately circular stock some 3 km in diameter, is emplaced in Archaean volcanics, which are fenitized near the contact, and unconformably overlain by Aphebian sediments of the Montgomery Lake and Hurwitz Groups. Rock types in the stock are trachytic porphyritic syenites, melanocratic aegirine-rich syenites and a carbonate-rich mafic syenite cut by veins of pink syenite.

References: 
RIDLER, R.H. 1972. Volcanic stratigraphy and metallogeny of the Kaminak Group. Paper, Geological Survey of Canada, 72-1, Part A: 128-34
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith