Litharenitic Sand, Jura Creek, Rocky Mountains
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Jura Creek |
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gray subrounded carbonates |
Location:
Jura Creek E of Canmore, Rocky Mountains, Alberta, Canada
Provenance:
Geographically narrow provenance in drainage area of Jura Creek, exclusively from devonian limestones and dolomites of the Front Range
Composition:
Dolomite, limestone, shale, some chert, few phosphorite grains
Petrographic thin section:
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Variable fine to coarse, sparry, |
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Bright field |
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Dark field |
Texture:
coarse sand, very poorly sorted to poorly sorted, angular to subangular
Sample number |
Collector |
Date of sampling |
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heubeck0060 |
Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin |
August 2005 |
Comments:
Jura Creek is a popular hiking trail east of Canmore and leads to an outcrop of late devonian anoxic shales (Exshaw Shale)
