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h5. Mountain stream sand, Entenlochklamm, Germany/Austria |
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Entenlochklamm |
| Macro |
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Location:
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Entenlochklamm, Chiemgau Alps, Germany/Austria
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Depositional facies:
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Mountain stream, gorge; highly variable flow conditions and short transport
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Provenance:
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orogen; sediments and metasediments of the eastern alps (Kössener Becken/Schichten)
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Composition:
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SRFs (partly low grade metamorphic overprinted) → clay shales/shists (phyllite), limestones (packstones with fragments of fossiles), dolomite, marl, chert; PRFs (also low grade metamorphic overprinted) → monocrystalline quartz, plagioclase, hornblende, chlorite
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Petrographic thin section:
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| Metasedimentary provenance of | |
Bright field |
| Dark field |
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Texture:
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Immature, very poorly sorted, subrounded, bright and dark grey, reddish, medium to coarse sand (250 to 1250 μm)
Sample number | Collector | Date of sampling |
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heubeck0028 | Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin | 2002 |
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Comments:
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| !fotocommunity.es.jpg|thumbnail! | | !0028_makro.JPG|thumbnail! |
| Entenlochklamm\\
{table-cell:width=30%}
{table-cell} | Macro |
| *Location* \\ | Entenlochklamm, Chiemgau Alps, Germany/Austria |
| *Depositional facies* \\ | Mountain stream, gorge; highly variable flow conditions and short transport |
| *Provenance* \\ | Orogenic; sediments and metasediments of the eastern alps (Kössener Becken/Schichten) |
| *Composition* \\ | SRFs (partly low grade metamorphic overprinted) → clay shales/shists (phyllite), limestones (packstones with fragments of fossiles), dolomite, marl, chert; PRFs (also low grade metamorphic overprinted) → monocrystalline quartz, plagioclase, hornblende, chlorite |
| *Texture* | Immature, very poorly sorted, subrounded, bright and dark grey, reddish, medium to coarse sand (250 to 1250 μm) |
h6. Petrographic thin section:
| *Description* | Metasedimentary provenance of coarse crystalline, almost marble like limestones, clay bearing shaly marl, monocrystalline quartz, quartz bearing plutonic rock fragments, metalitharenite with high mica content and compact mudstones |
| !0028-th_s_II_1500.jpg|thumbnail! | | !0028-th-s-X_1500.jpg|thumbnail! |
| Bright field \\
{table-cell:width=30%}
{table-cell} | Dark field |
| *Sample number* | heubeck0028 |
| *Collector* | Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin |
| *Date of sampling* | 2002 |
h6. Comments:
Die Entenlochklamm wird von der Tiroler Ache durchflossen, die den „Kaiserwinkel" im nördlichen Vorland des Kaisergebirges (genauer des Zahmen Kaisers) entwässert. Dort stehen deformierte und leicht metamorphisierte klastisch-karbonatische Gesteine der triassischen Kössener Schichten an. Probenpunkt an einer schmalen, hochgelegenen, ca. 50 m langen Sandbank am stromabwärtigen Ende der Klamm.
[Additional data page|geowisssand:0028 Additional data]
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