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Woudloper

Joined 9 June 2006
Babel user information
nl-N Deze gebruiker heeft het Nederlands als moedertaal.
en-4 This user has near native speaker knowledge of English.
de-2 Dieser Benutzer beherrscht Deutsch auf fortgeschrittenem Niveau.
fr-2 Cet utilisateur dispose de connaissances intermédiaires en français.
es-1 Esta persona tiene un conocimiento básico del español.
it-1 Quest'utente può contribuire con un livello elementare in italiano.
Users by language

Woudloper/Woodwalker is a young geologist from Berne, Switzerland. On commons I like to create pictures and diagrams that illustrate geological processes, though most of my pictures are just photos. If you want to have a translation of any of my files into any language, please feel free to contact me.

Some files I made:

Pictures of rocks

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    A boundstone, a clastic sedimentary rock made of fossils. In this case Jurassic Pelecypoda gryphea shells
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    Isoclinal folds and shearing in an orthogneiss
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    Large-scale folds in a mountain side (Gasteretal, Switzerland)
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    White vesicles (bubbles) in basaltic lava
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    Diamond-bearing kimberlite, green pyroxene clasts
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    Pyroxenite and peridotite banding: result of fractional crystallisation in the Earth's mantle
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    Piece of the Earth's mantle taken to the surface by volcanic activity
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    Mylonitic and amphibolitic gneiss, nice porphyroclasts
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    Large phenocrysts in a granite. Most likely they form by recrystallisation when the intrusion cools
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    Boudinage in a sheared orthogneiss
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    Ultrahigh pressure metamorphism turned this gabbro (after being subducted) into an eclogite
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    Banded Iron Formation, more than 3 billion years old
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    Thin sections of rocks under the microscope

Pictures of fossils

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    Fossil fern from the Upper Carboniferous (300 million years old)
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    Annularia stellata, another Carboniferous plant fossil
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    Fossil ammonite from the Lower Cretaceous (130 million years old)
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    More lower Cretaceous ammonites
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    Fossil trilobite from the Devonian (360 million years old)
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    Claw of the dinosaur Therizinosaurus (70 million years old)
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    Grasshopper fossil in an Upper Cretaceous rock

Diagrams

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    Diagram showing the rock cycle (+legend on file page)
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    Diagram showing volcanic and intrusive structures
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    Magmatic and volcanic processes
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    Diagram explaining the relation between plate tectonics and generation of magma
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    Diagram explaining fractional crystallisation
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    Diagram showing cross-cutting relationships
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    Illustration of the principle of lateral continuity
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    Diagrams showing stratigraphic relations
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    Schematic representation of sedimentary facies shifts
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    Schematic representation of cementation and compaction processes in a sandstone
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    Schematic representation of an inverse fault (original by RobinL)
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    Blind thrust fault with fault propagation folding
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    Diagram showing the principle of isostatic equilibrium in the Earth's lithosphere
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    Schematic representation of a metamorphic reaction
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    Metamorphic reactions in P-T space
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    Metamorphic facies
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    ACF triangles for metamorphic rocks
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    AFM triangles for metamorphic rocks
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    (Approximate) mineralogy of igneous rocks
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    Classification scheme for aphanitic igneous rocks
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    My version of the classification of plutonic rocks (Dutch). Simplified it by using colours
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    Cleavage modes (original by Fradeve11)
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    Ophiolite sequence (original by Fradeve11)
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    Cladistic diagram of dinosaur evolution (with the advice of MWAK)
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    Species that migrated during the Great American Interchange

Geologic and paleogeographic maps

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    Geologic map of the NW of France
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    Geologic map of SE England and the English Channel
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    Geologic map of SW England and Wales
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    Tectonic map of Europe
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    Tectonic map of the Mediterranean
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    Graben structures of the southern Netherlands
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    Caledonian orogeny
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    Hercynian/Variscan orogeny
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    Hercynian basement structures of Western Europe
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    Fossil evidence for the Iapetus Ocean
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