File:EPA Mountaintop Removal2.gif
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EPA_Mountaintop_Removal2.gif (347 × 67 pixels, file size: 52 KB, MIME type: image/gif, looped, 5 frames, 10 s)
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Summary
| Description |
Deutsch: Abbauzyklus beim mountaintop-removal mining: 1. Abräumen 2. die obere Flözgruppe wird gewonnen, das Zwischenmittel in Tälern aufgehaldet 3. das liegende Flöz wird mit Schürfkübelbaggern gewonnen und die Berge aufgehaldet 4. parallel zum Fortschreiten des Abbaus wird die neue Tagesoberfläche konturiert 5. nach Abschluß der Gewinnung wird die endgültige Oberflächenkontur hergestellt und das Gebiet rekultiviert. English: Animation of EPA Mountaintop Removal public domain Pictures. Step 1: Layers of rock and dirt above the coal (called overburden) are removed. Step 2: The upper seams of coal are removed with spoils placed in an adjacent valley. Step 3: Draglines excavate lower layers of coal with spoils placed in spoil piles. Step 4: Regrading begins as coal excavation continues. Step 5: Once coal removal is complete, final regrading takes place and the area is revegetated. |
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| Source | Own work |
| Author | Androidenzoo |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:50, 24 September 2015 | | 347 × 67 (52 KB) | Androidenzoo | User created page with UploadWizard |
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