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| | WEC Survey Of Energy Resources 2001 - Geothermal Energy |
 | | The main geothermal areas of this type are located in New Zealand, Japan, Indonesia, Philippines, the western coastal Americas, the central and eastern parts of the Mediterranean, Iceland, the Azores and eastern Africa. |
 | | The heat is used mainly for space and district heating but also for a range of agricultural purposes (greenhouses, soil heating, fish and animal farming, cattle-breeding), for various industrial processes (manufacturing, wool washing, paper production, wood drying, oil extraction) and for spas and recreational bathing. |
 | | Following successful drilling to tap deep aquifers for a district heating network at Riehen (on the border with Germany and operational since 1994), the network was extended and thus became the first example of cross-border geothermal utilisation. |
| www.worldenergy.org /wec-geis/publications/reports/ser/geo/geo.asp (9465 words) |
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