Litharenitic Sand, Jura Creek, Rocky Mountains
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Jura Creek |
Grey, subrounded carbonates |
Location |
Jura Creek E of Canmore, Rocky Mountains, Alberta, Canada |
Depositional facies |
replace this with text about the dep facies |
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 |
Texture |
Coarse sand, very poorly sorted to poorly sorted, angular to subangular |
Petrographic thin section:
Description |
Variable fine to coarse, sparry, recrystallised dolomite, few foliated shales, some chert and rare brown phosphorite grains |
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Bright field |
Dark field |
Sample number |
heubeck0060 |
Collector |
Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin |
Date of sampling |
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)
