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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

'Allanite'
Calcite
'Chlorite Group'
Fluorite
Goethite
Graphite
Hematite
Molybdenite
Muscovite
Pyrite
'Pyroxene Group'
Pyrrhotite
Quartz
'Scapolite'
'Serpentine Group'
Thorite
var: Uranothorite
Titanite
'Tourmaline'
Uranophane
Vesuvianite
Zircon


22 entries listed. 15 valid minerals.

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References

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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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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