geography:physical/social environments

geography: SECTION 1: 2 QUESTIONS: PATTERNS & PROCESSES IN THE strong-arm ENVIRONMENT: VOLCANOES: at destructive surface boundarys(African-eurasian)mt.etna Oceanic ordered series subducts under continental plate: Magma,gases,silica content:build up of pressure:dust,ash,lava: Volcanoes at contrucitve plate boundarys:(north America-eurasian)surtsey,iceland Crust forced apart,convection currents by magma flowing: Low silica content(runny):expanding gases,lava,rock particals: Volcanoes at hot genus Musca volitans:pacific plate:mauna lua,Hawaii: High thermal activites:rising magma: frontwards from plate boundarys: Resulting structures from volcanic activitys: Volcanic cones, fissure eruptions, geysers,hot springs: Benefits of volcanic activitys: wise(p) land,fertile soils, energy(geysers), tourism(mt.etna) Volcanic activity in Ireland:antrim derry plateau(basalt) EARTHQUAKES: Seismic waves(3)primary,secondary,long ,waves: Focus= fringe down: epicentre=point on surface: isoseial lines= excitement of waves. almost occur at plate boundarys-destructive boundaries. Richter racing scurf=energy: mercalli scale=strength. Causes-landslides,avalanches,tsunamis:Tsunami-tidal wave. ROCKS: Folding-anticline(top) syncline(downfold) limb(sides of fold) Exmp:fold mountains,caledonian-Donegal mts, alpine-himalayas.

Land forms:rift valleys,block mountains. jar groupings- fiery-sedimentary-metamorphic. Rock cycle-stage 1-magma solidifies to from igneous:granite(building materials) tip 2-weathering &erosion to form sedimentary(limestone) Stage 3-change,metamorphic (marble) Benefits of rocks(energy sources,constructio n,metallic minerals) REGIONAL GEOGRAPHY: ! A region is an area which has a certain garment of characteristics which define it from a neighbouring area. Physical-north European plain-burren(limestone,caves,columns) Climatic-mediterranean(warm temperate) tundra(cold) policy-making/economic-EU-Dublin region Administrative-france-counties Socio economic core-Paris basin...If you involve to get a ripe essay, order it on our website: OrderEssay.net

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