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h5. Litharenitic Sand, Jura Creek, Rocky

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Jura Creek

 

gray subrounded carbonates

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Location:

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Jura Creek E of Canmore, Rocky Mountains, Alberta, Canada

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Provenance:

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Geographically narrow provenance in drainage area of Jura Creek, exclusively from devonian limestones and dolomites of the Front Range

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Composition:

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Dolomite, limestone, shale, some chert, few phosphorite grains

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Petrographic thin section:

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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

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Texture:

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coarse sand, very poorly sorted to poorly sorted, angular to subangular

Sample number

Collector

Date of sampling

heubeck0060

Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin

August 2005

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Comments:

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 Mountains

| !Jura_Creek_CAN_Scen.jpg|thumbnail! | | !Jura_Creek_makro.jpg|thumbnail! |
| Jura Creek \\ 
{table-cell:width=30%}
{table-cell} | gray 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* | _replace this with text about texture_ |
h6. Petrographic thin section:
| *Description* | Variable fine to coarse, sparry, recrystallised dolomite, few foliated shales, some chert and rare brown phosphorite grains |

| !Jura_Creek_BF.jpg|thumbnail! | | !Jura_Creek_ts_x_sm1200.jpg|thumbnail! |
| Bright field \\
{table-cell:width=30%}
{table-cell} | Dark field |

h6. Texture:

coarse sand, very poorly sorted to poorly sorted, angular to subangular
|| Sample number \\ || Collector || Date of sampling \\ ||
| heubeck0060 | Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin | August 2005 |

h6. Comments:

Jura Creek is a popular hiking trail east of Canmore and leads to an outcrop of late devonian anoxic shales (Exshaw Shale)