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Zircon showing, Saranac Mine, Monmouth Township, Haliburton Co., Ontario, Canada
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Latitude: 44°58'25"N
Longitude: 78°14'37"W
The Zircon showing exposes white granite, granite pegmatite, and crystalline limestone.
The following minerals occur at the Zircon showing: zircon, thorite, allanite, pyroxene, titanite, scapolite, tourmaline, calcite, hematite, chlorite, goethite, graphite, and serpentine occur in the pegmatite. The crystalline limestone which was intruded by the pegmatite contains vesuvianite, fluorite, pyroxene, plagioclase and k-spar, smoky quartz, pyrite, goethite, pyrrhotite, and molybdenite.

"The showings were explored for radioactive minerals by several open cuts from 1954-1956. The work was conducted by Saranac Uranium Mines Limited. At the Zircon showing, granite and granite pegmatite are exposed by a 46-m long open-cut and by a trench 30 m to the south. A skarn in crystalline limestone is exposed by two trenches 90 m north of the open-cut.

The article by Nasdala gives detailed analyses of these complex zoned and altered Zircons with chemistry and backscatter images.

Mindat Articles

Exploring the Saranac Mine, Ontario (Updated Edition) by Michael Adamowicz

Mineral List

'Chlorite Group'
'Pyroxene Group'
'Serpentine Group'
var: Uranothorite

22 entries listed. 15 valid minerals.

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Ann P.Sabina (1986), Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario. GSC Misc. Report 39

Nasdala, N. et al. (2009) Retention of uranium in complexly altered zircon: An example from Bancroft, Ontario; Curtin University Library

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