Hydrothermally Deposited Rock

GEOTHERMAL ENERGY

Hydrothermally Deposited Rock:

Rocks that have formed due to the precipitation of material from hydrothermal fluids

Other definitions:Wikipedia Reegle

Relict Geothermal Features

Typical list of modern geothermal features

• Hydrothermally Deposited Rock

• Silica Deposition
• Carbonate Deposition
• Alunite
• Other Hydrothermal Deposits

• Hydrothermally Altered Rock

• Silicification
• Argillic-Advanced Argillic Alteration
• Zeolitic Alteration
• Leach Capping
• Other Hydrothermal Alteration Products

Hydrothermally deposited rock at the base of cliffs at Paleochori, Milos, Greece. http://www.photovolcanica.com/VolcanoInfo/Milos/Milos.html

Hydrothermally deposited rock includes rocks and minerals that have precipitated from past geothermal fluid discharges at the Earth's surface.

Examples

Want to add an example to this list? Select a Geothermal Resource Area to edit its "Relict Geothermal Feature" property using the "Edit with Form" option.

CSV

Geothermal Resource Area	Geothermal Region	Control Structure	Host Rock Age	Host Rock Lithology	Mean Capacity	Mean Reservoir Temp
Blue Mountain Geothermal Area	Northwest Basin and Range Geothermal Region	Fault Intersection Intrusion Margins and Associated Fractures	Triassic	Metasedimentary	49.5 MW49,500 kW <br />49,500,000 W <br />49,500,000,000 mW <br />0.0495 GW <br />4.95e-5 TW <br />	470.15 K197 °C <br />386.6 °F <br />846.27 °R <br />
Waunita Hot Springs Geothermal Area	Rio Grande Rift	Intrusion Margins and Associated Fractures
Wendel Geothermal Area	Walker-Lane Transition Zone Geothermal Region	Displacement Transfer Zone	Mesozoic	Granite, Granodiorite	3.8 MW3,800 kW <br />3,800,000 W <br />3,800,000,000 mW <br />0.0038 GW <br />3.8e-6 TW <br />	413.15 K140 °C <br />284 °F <br />743.67 °R <br />