Download Geology and Ecology Terms: Soil Formation, Plate Tectonics, and Ecosystems and more Quizzes Geography in PDF only on Docsity! TERM 1 bedrock DEFINITION 1 un weathered parent material. hard TERM 2 regolith DEFINITION 2 Regolith is a layer of loose, heterogeneous material covering solid rock. TERM 3 pedon DEFINITION 3 soil surveys (1-10) m2 TERM 4 polypedon DEFINITION 4 series of pedons TERM 5 soil horizons DEFINITION 5 layers with in pedons, parellel, each layer different physically and chemically TERM 6 o horizon DEFINITION 6 organic, dark, animal shit, humus TERM 7 a horizon DEFINITION 7 richer in organic content, darker than lower layers TERM 8 e horizon DEFINITION 8 sand/silt, zone of leeching (water removal of minerals) TERM 9 b horizon DEFINITION 9 clays, al, fe, illuvation TERM 10 c horizon DEFINITION 10 zone of regolih TERM 21 geomorphology DEFINITION 21 the scientific study of landforms and the processes that shape them. TERM 22 plate tectonics DEFINITION 22 is a scientific theory which describes the large scale motions of Earth's lithosphere. ocean is more dense than contiental TERM 23 upper/lower mantle DEFINITION 23 80% earths volume temperature and density twords core movemant causes plat tectonics TERM 24 lithosphere DEFINITION 24 is the rigid outermost shell of a rocky planet. 70 km TERM 25 continental crust DEFINITION 25 density 2.7 crystal less dense than oceanic TERM 26 oceanic crust DEFINITION 26 density 3.0 granular more dense than continental TERM 27 normal fault DEFINITION 27 pulls apart TERM 28 reverse fault DEFINITION 28 pushes together TERM 29 strike slip DEFINITION 29 slide against san andreas TERM 30 plate boundaries DEFINITION 30 location of earth quakes and volcanic activity divergent, covergent, transform TERM 31 oceanic collision DEFINITION 31 results in sea mounts, volcanic islands TERM 32 continental collision DEFINITION 32 mountain range TERM 33 folded landscapes DEFINITION 33 result of compressional stress zagros squigilly mountains TERM 34 orogenesis DEFINITION 34 birth of mountains TERM 35 tower karst DEFINITION 35 air between ground surface and water TERM 46 habitat DEFINITION 46 area that is inhabited by a particular species of animal, plant or other type of organism. TERM 47 niche DEFINITION 47 relational position of a species or population in its ecosystem to each other; e.g. TERM 48 ecological succession DEFINITION 48 predictable and orderly changes in the composition or structure of an ecological community. balance TERM 49 composite volcaino DEFINITION 49 cone shaped mudflow lots of silica TERM 50 physical weathering DEFINITION 50 Weathering is the breaking down of Earth's rocks, soils and minerals through direct contact with the planet's atmosphere. frost action salt crystalization pressure/release TERM 51 chemical weathering DEFINITION 51 hydration/hydrolisis oxidation carbination TERM 52 Alluvium DEFINITION 52 loose, unconsolidated (not cemented together into a solid rock), soil or sediments, eroded, deposited, and reshaped by water in some form in a non-marine setting. - floodplain - natural levee - backswamp - delta TERM 53 desertification DEFINITION 53 Desertification is the extreme deterioration of land in arid and dry sub-humid areas due to loss of vegetation and soil moisture.
