CV-1a: Magmatic - Extrusive
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CV-1a: Magmatic - Extrusive:
extrusive refers to the mode of igneous rock formation in which hot magma from inside the Earth flows out (extrudes) onto the surface. Extrusive magmatic plays are areas characterized by extrusive volcanism.
Moeck-Beardsmore Play Types
This classification scheme was developed by Moeck and Beardsmore, as reported in A New 'Geothermal Play Type' Catalog: Streamlining Exploration Decision Making.[1]
Puna Geothermal Ventures Power Plant in Puna, Hawaii (reference: www.hawaiianelectric.com)
Extrusive magmatic plays are areas characterized by extrusive volcanism. Geological areas that include active volcanism are located at divergent plates boundaries(basaltic), converging ocean plates (andesitic/basaltic) at island arcs, and converging oceanic and continental plates (andesitic/dacitic). [1]
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Kilauea East Rift Zone Cross Section (Ref: https://www.soest.hawaii.edu)
Known magmatic geothermal plays associated with active volcanism include the Kilaeau East Rift Zone in Hawaii.
According to Moeck and Beardsmore, magmatic geothermal plays associated with volcanic activity typically have the following properties:[2]
- Geologic Setting – Magmatic Arcs, Mid Oceanic Ridges, Hot Spots
- Heat Source/Storage Properties of Reservoir – Active Volcanism, Shallow Magma Chamber
- Dominant Heat Transport Mechanism – Magmatic-hydrothermal Circulation
Examples
Want to add an example to this list? Select a Geothermal Resource Area to edit its "Moeck-Beardsmore Play Type" 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 |
|---|---|---|---|---|---|---|
| Ahuachapan Geothermal Area | Central American Volcanic Arc Chain | 95 MW 95,000 kW 95,000,000 W 95,000,000,000 mW 0.095 GW 9.5e-5 TW | 503.15 K 230 °C 446 °F 905.67 °R | |||
| Bac-Man Laguna Geothermal Area | Philippine Island Arc | Fault Intersection | Volcanic | 150 MW 150,000 kW 150,000,000 W 150,000,000,000 mW 0.15 GW 1.5e-4 TW | 543.15 K 270 °C 518 °F 977.67 °R | |
| Fang Geothermal Area | Thailand Geothermal Region | Major Normal Fault | Granite | 0.3 MW 300 kW 300,000 W 300,000,000 mW 3.0e-4 GW 3.0e-7 TW | 418.15 K 145 °C 293 °F 752.67 °R | |
| Fukushima Geothermal Area | Northeast Honshu Arc | Major Normal Fault | 65 MW 65,000 kW 65,000,000 W 65,000,000,000 mW 0.065 GW 6.5e-5 TW | 579.15 K 306 °C 582.8 °F 1,042.47 °R | ||
| Hachijojima Geothermal Area | Northeast Honshu Arc | 3.3 MW 3,300 kW 3,300,000 W 3,300,000,000 mW 0.0033 GW 3.3e-6 TW | 556.15 K 283 °C 541.4 °F 1,001.07 °R | |||
| Kilauea East Rift Geothermal Area | Hawaii Geothermal Region | Fissure Swarms Intrusion Margins and Associated Fractures | Quaternary | Tholeiitic Basalt | 47 MW 47,000 kW 47,000,000 W 47,000,000,000 mW 0.047 GW 4.7e-5 TW | 575.15 K 302 °C 575.6 °F 1,035.27 °R |
| Leyte Geothermal Area | Philippine Island Arc | Andesite | 714.9 MW 714,900 kW 714,900,000 W 714,900,000,000 mW 0.715 GW 7.149e-4 TW | 553.15 K 280 °C 536 °F 995.67 °R | ||
| Lihir Geothermal Area | Papua New Guinea Geothermal Region | Basalt; Breccias; Tuffs | 56 MW 56,000 kW 56,000,000 W 56,000,000,000 mW 0.056 GW 5.6e-5 TW | 548.15 K 275 °C 527 °F 986.67 °R | ||
| Maibarara Geothermal Area | Philippines Geothermal Region | 20 MW 20,000 kW 20,000,000 W 20,000,000,000 mW 0.02 GW 2.0e-5 TW | 541.15 K 268 °C 514.4 °F 974.07 °R | |||
| Mendeleevskaya Geothermal Area | Kuril-Kamchatka Arc | 1.8 MW 1,800 kW 1,800,000 W 1,800,000,000 mW 0.0018 GW 1.8e-6 TW | 553.15 K 280 °C 536 °F 995.67 °R | |||
| Mindanao Geothermal Area | Philippine Island Arc | 105 MW 105,000 kW 105,000,000 W 105,000,000,000 mW 0.105 GW 1.05e-4 TW | 533.15 K 260 °C 500 °F 959.67 °R | |||
| Mutnovskaya Geothermal Area | Kuril-Kamchatka Arc | Fault Intersection | Oligocene | 62 MW 62,000 kW 62,000,000 W 62,000,000,000 mW 0.062 GW 6.2e-5 TW | 507.15 K 234 °C 453.2 °F 912.87 °R | |
| Ndunga Geothermal Area | Indonesia Geothermal Region | 5 MW 5,000 kW 5,000,000 W 5,000,000,000 mW 0.005 GW 5.0e-6 TW | 513.15 K 240 °C 464 °F 923.67 °R | |||
| North Negros Geothermal Area | Philippine Island Arc | 192.5 MW 192,500 kW 192,500,000 W 192,500,000,000 mW 0.193 GW 1.925e-4 TW | 528.15 K 255 °C 491 °F 950.67 °R | |||
| Oguni Geothermal Field | Japan: Energy Resources | 2 MW 2,000 kW 2,000,000 W 2,000,000,000 mW 0.002 GW 2.0e-6 TW | 475.15 K 202 °C 395.6 °F 855.27 °R | |||
| Okeanskaya Geothermal Area | Kuril-Kamchatka Arc | 3.2 MW 3,200 kW 3,200,000 W 3,200,000,000 mW 0.0032 GW 3.2e-6 TW | 558.15 K 285 °C 545 °F 1,004.67 °R | |||
| Patuha Geothermal Area | Indonesia Geothermal Region | 55 MW 55,000 kW 55,000,000 W 55,000,000,000 mW 0.055 GW 5.5e-5 TW | 496.15 K 223 °C 433.4 °F 893.07 °R | |||
| Pauzhetskaya Geothermal Area | Kuril-Kamchatka Arc | Tuff | 27 MW 27,000 kW 27,000,000 W 27,000,000,000 mW 0.027 GW 2.7e-5 TW | 468.15 K 195 °C 383 °F 842.67 °R | ||
| Pengalengan Geothermal Area | West Java | 2 MW 2,000 kW 2,000,000 W 2,000,000,000 mW 0.002 GW 2.0e-6 TW | 503.15 K 230 °C 446 °F 905.67 °R | |||
| Rincon De La Vieja Geothermal Resource Area | Rincon De La Vieja | Andesite | 42 MW 42,000 kW 42,000,000 W 42,000,000,000 mW 0.042 GW 4.2e-5 TW | 533.15 K 260 °C 500 °F 959.67 °R | ||
| South Negros Geothermal Area | Philippine Island Arc | 242 MW 242,000 kW 242,000,000 W 242,000,000,000 mW 0.242 GW 2.42e-4 TW | 573.15 K 300 °C 572 °F 1,031.67 °R | |||
| Tiwi / Albay Geothermal Area | Philippine Island Arc | Andesite | 330 MW 330,000 kW 330,000,000 W 330,000,000,000 mW 0.33 GW 3.3e-4 TW | 593.15 K 320 °C 608 °F 1,067.67 °R | ||
| Tokamachi Geothermal Area | Japanese Archipelago | 2 MW 2,000 kW 2,000,000 W 2,000,000,000 mW 0.002 GW 2.0e-6 TW | ||||
| Ulubelu Geothermal Field | Indonesia Geothermal Region | 2 MW 2,000 kW 2,000,000 W 2,000,000,000 mW 0.002 GW 2.0e-6 TW | 403.15 K 130 °C 266 °F 725.67 °R | |||
| Ulumbu Geothermal Field | Indonesia Geothermal Region | 5 MW 5,000 kW 5,000,000 W 5,000,000,000 mW 0.005 GW 5.0e-6 TW | 465.15 K 192 °C 377.6 °F 837.27 °R |
References
- ↑ 1.0 1.1 Inga S. Moeck,Graeme Beardsmore. 2014. A New 'Geothermal Play Type' Catalog: Streamlining Exploration Decision Making. In: Proceedings. Thirty-Ninth Workshop on Geothermal Reservoir Engineering; 2014/02/24; Stanford, California. Stanford, California: Stanford University; p. 8
- ↑ Inga Moeck. 2013. Geothermal Plays in Geologic Settings. In: IGA Workshop on Developing Best Practice for Geothermal Exploration and Resource/Reserve Classification; 2013/11/14; Essen, Germany. IGA website: International Geothermal Association; p. 19