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Topic: Geothermal (geology)


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In the News (Sat 20 Apr 19)

  
  Geothermal Energy - MSN Encarta
Geothermal Energy, energy contained in intense heat that continually flows outward from deep within Earth.
Some heat is generated in the crust, the planet’s outer layer, by the decay of radioactive elements that are in all rocks.
Geothermal energy provided 1.6 percent of the world’s total electricity, serving the electricity needs of about 60 million people, mostly in developing countries.
encarta.msn.com /encyclopedia_761564074/Geothermal_Energy.html   (610 words)

  
 Geology News: Shortage of Geologists and Geology Professors
Geology News: Shortage of Geologists and Geology Professors
In the past year there have been many articles on the web and in print that detail the shortage of geology graduates and the retirement of a very large number of senior geologists who were hired during the "Energy Crisis" of the 1970s.
If industries want to sustain a steady flow of geologists, this may be the time to support university geology departments with endowed professorships and attract geology students with generous scholarship programs.
geology.com /news/2006/12/shortage-of-geologists-and-geology.html   (228 words)

  
 Deschutes & Ochoco National Forests - Geothermal Energy
The Deschutes National Forest Plan states that one or two geothermal power plants with 10 to 30 megawatt capacity may likely be developed on the Forest in the future.
Geothermal resource activity is one of the multiple uses of the National Forest.
Geothermal leases were first issued on the Forest in 1974.
www.fs.fed.us /r6/centraloregon/geology/info/geothermal.shtml   (803 words)

  
 Geothermal Resources
At least some of the sodium bicarbonate geothermal fluids of the central and north-central parts of the state may result from the exchange of sodium (possibly from volcanic rocks) for calcium in fluids that were originally calcium bicarbonate in character.
Geothermal reservoirs in the northwestern part of the state have generally higher temperatures; these reservoirs are usually interpreted as being related to circulation of ground water to deep levels along faults in a region of higher-than-average heat flow (the Battle Mountain heat flow high).
This source of geothermal data was suggested by a number of industry representatives at a March 1994 symposium sponsored by the Geothermal Resources Council on the geothermal resources and exploration of the Basin and Range Province.
www.nbmg.unr.edu /geothermal/geochemdata/ofr94_2/ofr94-2.htm   (7029 words)

  
 Geothermal - Wikipedia, the free encyclopedia
Geothermal (geology), heat sources from within the Earth.
Geothermal heating, a method of heating and cooling a building using underground heat.
Geothermal power, electricity generated by utilizing naturally occurring geological heat sources.
en.wikipedia.org /wiki/Geothermal   (109 words)

  
 Overview of Geothermal Resources in Idaho
Idaho is rich in geothermal resources, especially the central and southern parts of the state where the majority of the geothermal wells and springs are found.
In general, geothermal waters are often found 1) in association with large igneous rock formations such as the Idaho Batholith, 2) within volcanic rocks such as rhyolite and basalt, and 3) in deep wells located in large sedimentary valleys such as the Treasure Valley.
Possible sources of the heat for the geothermal water are 1) volcanism, 2) deep migration and circulation of recharge water, and 3) mechanical heating from movement along faults.
www.idwr.state.id.us /geothermal/overview.htm   (477 words)

  
 Chapter 522 — Geothermal Resources
Disposal by other means may include any secondary use of geothermal fluid after the primary use of such fluid for electrical power generation or for other direct application of the heat or other associated energy contained in such fluids or for by-product extraction.
Ownership rights to geothermal resources shall be in the owner of the surface property underlain by the geothermal resources unless such rights have been otherwise reserved or conveyed.
Whenever the State Department of Geology and Mineral Industries gives any written direction concerning any geothermal well and the operator requests in writing that a final order for purposes of ORS chapter 183 be made, the department shall, within 15 days after receipt of the notice, deliver such final written order to the operator.
www.leg.state.or.us /ors/522.html   (7719 words)

  
 Geology   (Site not responding. Last check: 2007-09-11)
In geology, explain why the study of the present is important to understanding the past.
Geology helps people realize what our world was like in the past, how it has changed through time, and how it may change in the future.
Geology allows the majority of this planet's population live more comfortably from energy and the use of electricity generated by hydroelectric, fossil fuel and nuclear power.
www.relia.net /~thedane/geology.html   (1826 words)

  
 Formation rates of calc-silicate minerals deposited inside drillhole casing, Ngatamariki geothermal field, New Zealand
Scaling due to mineral precipitation in discharging geothermal wells is usually an unwelcome phenomenon, commonly involving deposition of calcite, aragonite, silica, sulfides, and occasionally magnetite and precious metal precipitates (Arnórsson, 1981; Brown, 1986).
The geology of well NM2 is imperfectly known because drill cuttings were not returned to the surface from below 1350 m.
To maintain the supply of constituents necessary to form the quantity of minerals deposited requires that the water at 1600-m depth be circulating and not stagnant.
www.minsocam.org /msa/collectors_corner/arc/geothermal.htm   (2541 words)

  
 Yellowstone Geology -- Geothermal Features
Geysers, hot springs, sulfur pools, and fumaroles bubble, gurgle, hiss, and spout throughout the area.
Geothermal features are caused by water meeting molten rock on the earth's crust.
Whether the boiling water becomes a geyser or a fumarole depends on temperature, pressure, the type of rock it has been piped through, and the steam energy remaining after the cooling-off process on the way up.
www.americanparknetwork.com /parkinfo/ye/geology/geotherm.html   (203 words)

  
 Geothermal Resources Council
With members in 30 countries, the GRC actively seeks to expand its role as a primary professional educational association for the international geothermal community.
The GRC develops educational functions on a variety of topics that are critical to geothermal development.
GRC Annual Meetings are the most important yearly event in the geothermal world, providing an international forum where members, participants and guests learn about the latest advances in geothermal technologies through technical and poster sessions.
www.geothermal.org   (976 words)

  
 Geology <- Faculty of Graduate Studies and Research <- U of R
Stratigraphic sequence, depositional framework, and historical geology of the Western Canada Basin and contiguous areas.
Geology, origin, exploration for and exploitation of fossil fuels and industrial mineral deposits.
Occurrence and movement of fluids in the subsurface; pore geometry and fluid flow applied to ground water, petroleum geology, engineering geology, geothermal energy, and genesis of hydrothermal ore deposits.
www.uregina.ca /gradstudies/calendar/programs/geology.shtml   (600 words)

  
 SMU Heatflow Information
This is the U.S. portion of the Geothermal Map of North America, 2004.
This map is an extension of the Geothermal Map of North America, 2004.
Power plants, geothermal systems and springs are shown on this map with the regional provinces and heat flow contours for background.
www.smu.edu /geothermal/heatflow/heatflow.htm   (717 words)

  
 People | Geology   (Site not responding. Last check: 2007-09-11)
Geothermal fluxes of alkalinity in the Narayani river system of central Nepal, Geochemistry, Geophysics, Geosystems, 5, #Q08011.
Quartz control of high germanium-silicon ratios in geothermal waters, Geology, v.
Evans, L. Derry, Geothermal fluxes of solutes and carbon to Himalayan rivers.
www.wm.edu /geology/people.php?personid=956910   (693 words)

  
 Geothermal Geology
This article summarized the results of the Deep Geothermal Resources Survey Program performed by NEDO (Entrustment Contract: Japan Metals and Chemicals Co. Ltd.), in close technical cooperation of  the Geological Survey of Japan.
 This article is only part of the results of the entire project but the project performed the highest temperature record of geothermal drillings in the world and brought strong impact and valuable information to the world geothermal community.
Muraoka, H. Scope of the future geothermal resources in the viewpoint from magma.
staff.aist.go.jp /hiro-muraoka/GeothGeolE.html   (289 words)

  
 [No title]
Geothermal Resources Council, 1983, The role of heat in the development of energy and mineral resources in the northern Basin and Range province: Geothermal Resources Council, Special Report 13, 384 p.
Geothermal Development Associates, 1981, A preliminary plan for the development of geothermal energy in the town of Gabbs, Nevada: Department of Energy publication, 95 p.
Geothermal Development Associates, 1981, A preliminary plan for the development of geothermal energy in the town of Hawthorne, Nevada: Department of Energy publication, 106 p.
www.nbmg.unr.edu /geothermal/geochemdata/ofr94_2/REFERENS.TXT   (19606 words)

  
 Utah Geological Survey
Geothermal Resources Council, 1990, Dedication of the Bud L. Bonnett Geothermal Power Plant: Geothermal Resources Council Bulletin, v.
Klauk, R.H., and Budding, K.E., 1984, Geothermal assessment of the lower Bear River drainage and northern East Shore ground-water areas, Box Elder County, Utah: Utah Geological and Mineral Survey Report of Investigation, 186, 98 p.
Oviatt, C.G.,1989, Quaternary geology of part of the Sevier Desert, Millard County, Utah: Utah Geological and Mineral Survey Special Study 70, 23 p.
www.ugs.state.ut.us /emp/geothermal/references.htm   (3166 words)

  
 IN MEMORIAM Prof. Julian Sokolowski
Professor Julian Sokolowski was a petroleum geologist, specializing in subsurface geology, who was aware of the social implications of the processes taking place in nature.
Accompanied by a team of co-workers, he was the first to assess the resources of geothermal energy in Poland with a view to their practical implementation.
Professor Julian Sokolowski was an active propagator of the versatile use of ecological, clean heat from geothermal waters in Poland.
www.geothermie.de /iganews/no60/in_memoriam_prof.htm   (817 words)

  
 Geology.
Geothermal Systems NZ Geothermal Fields▶ Uses Of Geothermal Resources Geothermal Energy and Electricity Generation Generation Technologies Benefits of Geothermal Energy Development Potential Science/Physics Education▶
Welcome to Geothermal Power Wairakei Power Station Power History of the Wairakei Borefield Geology Dry Steam, Wet Steam, Water and Ice The Dissolved Compounds Borefield Equipment Water Discharge and Re-injection Steam Turbines Electrical Generators Wairakei Turbines and Generators The National Grid Transformers Switching High Voltages Three-Phase Electricity Glossary
The Wairakei Geothermal Field is at the eastern edge of the Taupo Volcanic Zone.
www.nzgeothermal.org.nz /geothermal_energy/education/geology.asp   (551 words)

  
 Geology News | Earth Science Current Events | GEOLOGY.COM
Geothermal energy could supply up to 10% of Australia's electricity needs by 2030.
Geothermal fields are not well placed on the existing power grid and other technical problems require careful development and production.
Patrick Leahy, former acting director and associate director for geology at the USGS, and Dr. Jack Medlin, regional specialist for the Asia and Pacific region.
geology.com /news   (1359 words)

  
 Department of Geology | Geology   (Site not responding. Last check: 2007-09-11)
To learn more about the Geology of Virginia click on the icon below.
My research involves the use of geochemistry to examine both local and global cycles of elements, in particular the release of solutes from lithosphere to hydrosphere.
Hydrothermal flux of metamorphic carbon dioxide from the Central Nepal Himalaya, Eos Trans.
www.wm.edu /geology/?personid=956910   (308 words)

  
 Oregon Department of Geology and Mineral Industries (DOGAMI) Homepage
Oregon Department of Geology and Mineral Industries (DOGAMI) Homepage
01-08-07 - News release - Smith Rock geology and White River washouts on HWY 35 highlight the new issue of Oregon Geology magazine
All Dept. of Geology and USGS publications are available as well.
www.oregongeology.com /sub   (365 words)

  
 Thomas L. Trowbridge Grose's Home Page
Also courses in History of Geologic Concepts, Regional Geology, Petrology, Volcanology, Field geology, Stratigraphy and sedimentation, Oil and minerals exploration, Seismotectonics, and Geothermal geology and exploration.
Other subjects: geothermal energy in W. USA and Hawaii, geology of marine phosphates, tectonics in Rocky Mountains, regional hydrogeologic framework in Basin and Range, etc. Some selected publications are as follows:
1989, Geology of the Death Valley region, Nevada and California: Studies of Geology and Hydrology in the Basin and Range Province, southwestern United States for isolation of high-level radioactive waste - characterization of the Death Valley region, Nevada and California: U.S.Geol.Surv.
www.mines.edu /academic/geology/faculty/tgrose/index.html   (694 words)

  
 Utah Geothermal Working Group - Utah Geological Survey
The Utah Geothermal Working Group (UGWG) is an organization comprised of representatives from federal, state, and local governments; utilities; renewable energy advocates; geothermal industry; environmental organizations; landowners; and other entities interested in development of geothermal energy in Utah.
The primary emphasis is promotion of direct-use applications and small-scale geothermal power projects to stimulate rural economic development.
This workshop focused on (1) using geothermal in agriculture development and industrial processing (direct-use opportunities), and (2) incentives to reduce risk/facilitate development for geothermal projects.
geology.utah.gov /emp/geothermal/ugwg/index.htm   (338 words)

  
 UC Davis Geology: AGU Meeting Abstracts
For example, preliminary analyses of rock samples and fluids from the existing geothermal wells indicate that the shallow geothermal system is complex, as indicated by paragenetic relations and strong compositional zoning in calc-silicate minerals, such as epidote.
Calculation of local equilibria between calc-silicates and calcite suggests that the CO content of the geothermal fluids increased during the evolution of this geothermal system.
The Reykjanes Peninsula is a superb location for scientific investigations of the deeper levels of a high enthalpy geothermal resource.
www-geology.ucdavis.edu /pubs/agu05/schiffman1_05.html   (615 words)

  
 Maps Product Page
Map showing geology and geothermal resources of the southern half of the Burns 15¦ quadrangle,
Geothermal gradient data (of 75 bore holes, mostly east of the Cascades),
Geothermal studies and exploration in Oregon (draft final report),
www.naturenw.org /cgi-bin/quikstore.cgi?store=maps&category=maps&subcategory=geothermal   (500 words)

  
 Geothermal Resources Council
Further information about the GRC 2007 Annual Meeting and companion Geothermal Energy Association Trade Show will be posted as it becomes available on the GRC website at: www.geothermal.org.
Organized by the Geological Survey of Ethiopia, the first International Geothermal Conference on Africa will be held in Addis Ababa, Ethiopia at the UN Conference Hall, on Nov.
Scientists and engineers involved in all areas of geothermal resources exploration and development are encouraged to submit technical papers for presentation.
www.geothermal.org /calendar.html   (227 words)

  
 The Geology Connection
Geology by Lightplane - Terrific aerial photos of geologic formations.
Geothermal Facts: Advanced Level - As the title states.
Virtual Caves - Interactive illustrations of a massive cavern filled with geologic structures 'Here is the original Virtual Cave, devoted to the astounding variety of nature's handiwork found in solution caves, those dissolved out of solid rock by acidic waters.
www.kn.att.com /wired/fil/pages/listgeologymr2.html   (654 words)

  
 Department of Geosciences and Engineering, University of Nevada, Reno
Reno, located in a seismically active area, is at the boundary between the Great Basin and Sierra Nevada provinces and has excellent access to Yosemite National Park, Mono Basin, Lake Tahoe, Lassen Volcanic National Park, and the Carlin and Getchell mining trends.
Features in the region include desert, alpine, fluvial, and glacial environments, in addition to abundant seismic, volcanic and geothermal phenomena.
Geology (pdf flyer) - B.S., M.S., Ph.D. Geophysics (pdf flyer) - B.S., M.S., Ph.D. Geochemistry - M.S., Ph.D. Hydrogeology (pdf flyer) - B.S., M.S., Ph.D. Geological Engineering (pdf flyer) - M.S., Ph.D. The Geological Engineering Program is an established ABET-accredited engineering program.
www.mines.unr.edu /geology   (240 words)

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