CV-1a: Magmatic - Extrusive

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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.
Other definitions:Wikipedia Reegle



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]

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" button.

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 MW95,000 kW
95,000,000 W
95,000,000,000 mW
0.095 GW
9.5e-5 TW
503.15 K230 °C
446 °F
905.67 °R
Bac-Man Laguna Geothermal Area Philippine Island Arc Fault Intersection Volcanic 150 MW150,000 kW
150,000,000 W
150,000,000,000 mW
0.15 GW
1.5e-4 TW
543.15 K270 °C
518 °F
977.67 °R
Fang Geothermal Area Thailand Geothermal Region Major Normal Fault Granite 0.3 MW300 kW
300,000 W
300,000,000 mW
3.0e-4 GW
3.0e-7 TW
418.15 K145 °C
293 °F
752.67 °R
Fukushima Geothermal Area Northeast Honshu Arc Major Normal Fault 65 MW65,000 kW
65,000,000 W
65,000,000,000 mW
0.065 GW
6.5e-5 TW
579.15 K306 °C
582.8 °F
1,042.47 °R
Hachijojima Geothermal Area Northeast Honshu Arc 3.3 MW3,300 kW
3,300,000 W
3,300,000,000 mW
0.0033 GW
3.3e-6 TW
556.15 K283 °C
541.4 °F
1,001.07 °R
Kilauea East Rift Geothermal Area Hawaii Geothermal Region Intrusion Margins and Associated Fractures
Fissure Swarms
Quaternary Tholeiitic Basalt 47 MW47,000 kW
47,000,000 W
47,000,000,000 mW
0.047 GW
4.7e-5 TW
575.15 K302 °C
575.6 °F
1,035.27 °R
Leyte Geothermal Area Philippine Island Arc Andesite 714.9 MW714,900 kW
714,900,000 W
714,900,000,000 mW
0.715 GW
7.149e-4 TW
553.15 K280 °C
536 °F
995.67 °R
Lihir Geothermal Area Papua New Guinea Geothermal Region Basalt; Breccias; Tuffs 56 MW56,000 kW
56,000,000 W
56,000,000,000 mW
0.056 GW
5.6e-5 TW
548.15 K275 °C
527 °F
986.67 °R
Maibarara Geothermal Area Philippines Geothermal Region 20 MW20,000 kW
20,000,000 W
20,000,000,000 mW
0.02 GW
2.0e-5 TW
541.15 K268 °C
514.4 °F
974.07 °R
Mendeleevskaya Geothermal Area Kuril-Kamchatka Arc 1.8 MW1,800 kW
1,800,000 W
1,800,000,000 mW
0.0018 GW
1.8e-6 TW
553.15 K280 °C
536 °F
995.67 °R
Mindanao Geothermal Area Philippine Island Arc 105 MW105,000 kW
105,000,000 W
105,000,000,000 mW
0.105 GW
1.05e-4 TW
533.15 K260 °C
500 °F
959.67 °R
Mutnovskaya Geothermal Area Kuril-Kamchatka Arc Fault Intersection Oligocene 62 MW62,000 kW
62,000,000 W
62,000,000,000 mW
0.062 GW
6.2e-5 TW
507.15 K234 °C
453.2 °F
912.87 °R
Ndunga Geothermal Area Indonesia Geothermal Region 5 MW5,000 kW
5,000,000 W
5,000,000,000 mW
0.005 GW
5.0e-6 TW
513.15 K240 °C
464 °F
923.67 °R
North Negros Geothermal Area Philippine Island Arc 192.5 MW192,500 kW
192,500,000 W
192,500,000,000 mW
0.193 GW
1.925e-4 TW
528.15 K255 °C
491 °F
950.67 °R
Oguni Geothermal Field Japan 2 MW2,000 kW
2,000,000 W
2,000,000,000 mW
0.002 GW
2.0e-6 TW
475.15 K202 °C
395.6 °F
855.27 °R
Okeanskaya Geothermal Area Kuril-Kamchatka Arc 3.2 MW3,200 kW
3,200,000 W
3,200,000,000 mW
0.0032 GW
3.2e-6 TW
558.15 K285 °C
545 °F
1,004.67 °R
Patuha Geothermal Area Indonesia Geothermal Region 55 MW55,000 kW
55,000,000 W
55,000,000,000 mW
0.055 GW
5.5e-5 TW
496.15 K223 °C
433.4 °F
893.07 °R
Pauzhetskaya Geothermal Area Kuril-Kamchatka Arc Tuff 27 MW27,000 kW
27,000,000 W
27,000,000,000 mW
0.027 GW
2.7e-5 TW
468.15 K195 °C
383 °F
842.67 °R
Pengalengan Geothermal Area West Java 2 MW2,000 kW
2,000,000 W
2,000,000,000 mW
0.002 GW
2.0e-6 TW
503.15 K230 °C
446 °F
905.67 °R
Rincon De La Vieja Geothermal Resource Area Rincon De La Vieja Andesite 42 MW42,000 kW
42,000,000 W
42,000,000,000 mW
0.042 GW
4.2e-5 TW
533.15 K260 °C
500 °F
959.67 °R
South Negros Geothermal Area Philippine Island Arc 242 MW242,000 kW
242,000,000 W
242,000,000,000 mW
0.242 GW
2.42e-4 TW
573.15 K300 °C
572 °F
1,031.67 °R
Tiwi / Albay Geothermal Area Philippine Island Arc Andesite 330 MW330,000 kW
330,000,000 W
330,000,000,000 mW
0.33 GW
3.3e-4 TW
593.15 K320 °C
608 °F
1,067.67 °R
Tokamachi Geothermal Area Japanese Archipelago 2 MW2,000 kW
2,000,000 W
2,000,000,000 mW
0.002 GW
2.0e-6 TW
Ulubelu Geothermal Field Indonesia Geothermal Region 2 MW2,000 kW
2,000,000 W
2,000,000,000 mW
0.002 GW
2.0e-6 TW
403.15 K130 °C
266 °F
725.67 °R
Ulumbu Geothermal Field Indonesia Geothermal Region 5 MW5,000 kW
5,000,000 W
5,000,000,000 mW
0.005 GW
5.0e-6 TW
465.15 K192 °C
377.6 °F
837.27 °R



References

  1. 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
  2. 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