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Best Practice Guide |
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Glossary |
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Best Practice Guide GlossaryBrowse the glossary alphabetically: HOT DRY ROCK Return to list of termsA geothermal resource created when impermeable, subsurface rock structures, typically granite rock 15,000 feet or more below the earth's surface, are heated by geothermal energy. The resource is being investigated as a source of energy production. Source: California Energy Commission |