Alex Tolson Norm Duke

1 Exploration Geologist Consultant, 56-C MedhustDr., Ottawa, ON, K2G 4V2 CANADA (e-mail alextolson hotmail.com) 

2Economic Geology Professor, University of Western Ontario, Rm 118-A Biology Geology Bldg. University of Western Ontario, London, ON, N6A 5B7 CANADA 

Keywords Manganese, SEDEX, Balmat-Edwards, Distal exhalative, Adirondack Lowlands 

The Arnold Pit is on the steeply dipping, overturned limb of the Sylvia Lake Syncline, the structural hanging wall is the stratigraphic footwall. Commercial talc occurs in Unit 13 near the contact with Unit 14 of the Upper Marble from the metamorphism or impure evaporative dolomite. The upper section of Unit 13 grades from tremolite-rich talc ore into a pure talc schist up section. Unit 12 is a white massive doiomitic marble with convolute bands of grey and orange to 

Six samples were analyzed by C. Wu at the University of Western Ontario for major and trace-element bulk rock lithogeochemistry using X-Ray 

---