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h5. Mountain stream sand, Maite, Región de la Araucanía, |
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Near Maite, S. Chile |
| Coarse sand |
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Location:
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Maite, near Pucon, Región de la Araucanía, South Chile
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Sedimentation area:
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Riverbank of a mountain stream
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Provenance:
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Magmatic arc over a subduction zone, strato-volcanoes and their basement
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Composition:
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litharenithic; metasediments (phyllite, schist, carbonate schist); VRFs, incl. basaltic to andesitic mikrolithes (plagioclase, clinopyroxene); granitic-dioritic PRFs (quartz, orthoclase, plagioclase, hornblende); chlorite, epidote, microcline
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Petrographic thin section:
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Bright field |
| Dark field |
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Texture:
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Texture of the grains, ecc.
Sample number | Collector | Date of sampling |
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heubeck0066 | Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin | 14.1.2005 |
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Comments:
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Chile | !Maite_scenery_1000.jpg|thumbnail! | | !Maite_makro.jpg|thumbnail! | | Near Maite, S. Chile \\ {table-cell:width=30%} {table-cell} | Coarse sand | h6. Location: Maite, near Pucon, Región de la Araucanía, South Chile h6. Sedimentation area: Riverbank of a mountain stream h6. Provenance: Magmatic arc over a subduction zone, strato-volcanoes and their basement h6. Composition: litharenithic; metasediments (phyllite, schist, carbonate schist); VRFs, incl. basaltic to andesitic mikrolithes (plagioclase, clinopyroxene); granitic-dioritic PRFs (quartz, orthoclase, plagioclase, hornblende); chlorite, epidote, microcline h6. Petrographic thin section: | !0066_Maite_th_s_II_1900.jpg|thumbnail! | \\ | !0066_Maite_th_s_X_1900.jpg|thumbnail! | | Bright field \\ | | Dark field \\ | h6. Texture: Texture of the grains, ecc. \\ || Sample number \\ || Collector || Date of sampling \\ || | heubeck0066 | Christoph Heubeck, Institut für Geologische Wissenschaften, FU Berlin | 14.1.2005 | h6. h6. Comments: high variability of components, mixture of different provenances; typical mountain stream sediment (compare with Entenlochklamm) |
