744224
Beschreibung
Karteikarten von Sharondeep, aktualisiert more than 1 year ago
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Erstellt von Sharondeep
vor mehr als 10 Jahre
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| Frage | Antworten |
| Geomorphology | Landform evolution |
| In situ | In their original position. |
| Denudation | The removal of covering. |
| Lithify | Transform a sediment or other material into stone. |
| Inert | Stable |
| Permafrost | A layer of permanently frozen soil near the ground surface. |
| Active layer | The layer above the permafrost. |
| Chelating agents | Weak organic acids. |
| Talus | A slope formed by the accumulation of rock debris. |
| Scree | A collection of broken rock fragments at the foot of a mountain, volcano etc. |
| Blockfield | Is a surface covered by block sized angular rocks. |
| Felsenmeer | German for 'sea of rock'. Exposed rock surfaces, due to pieces broken off by freeze-thaw, mainly in Artic and high mountain areas. |
| Weathering pits | 'Holes' on the surface of rocks. |
| Granular disintegration | Grains of rocks become loosened. |
| Slaking | The process by which earth materials disintegrate and crumble when exposed to moisture. |
| Diurnal | Any cycle that occurs daily. |
| Homogeneous composition | Made of just one mineral. |
| Bedding plane | Refers to a surface that separates layers of sedimentary rocks on the ground. |
| Mass movement | The movement of debris en masse under the direct influence of gravity. |
| Alluvial fan | Cone/fan shaped deposit crossed and built up by streams. |
| Slag heaps | Piles of waste rock from mining. |
| Planar | straight |
| Shear | Is the response of a rock to deformation. |
| Shear zone | A vital structural discontinuity in the Earth's crust and upper mantle. |
| Terracette | Type of landform, a ridge on the hillside. (step like ridges) |
| Regolith | Material e.g. particles, soil |
| solifluction/lobe | Rounded, tongue-like feature. |
| Afforestation | The planting of trees. |
| Pediment | Gentle, concave lower slope. |
| Scarp | steeper, upper slope. |
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