Type E: Extensional Tectonic, Fault-Controlled Resource

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Type E: Extensional Tectonic, Fault-Controlled Resource:
No definition has been provided for this term.


Extensional-tectonic, fault-controlled resources typically result from a thinning of the crust which increases heat flow. The permeability of these reservoirs is almost entirely secondary (controlled by faults and fractures as opposed to rock porosity).

Many examples of this type of resource can be found throughout the Basin & Range province of the US and Western Turkey.

According to Brophy, extensional-tectonic, fault-controlled resources typically have the following properties:

  • Topography –Rugged on upthrow, low on valley floor
  • Climate – Usually dry with low precipitation
  • Depth to resource – Usually deep (2500-3500m)
  • Surface manifestations – Usually restricted to fault traces
  • Permeability – Dominantly fault controlled




Examples

Want to add an example to this list? Select a Geothermal Resource Area to edit its "Brophy Model" 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
Alasehir Geothermal AreaAegean-West Anatolian Extensional Region48 MW
48,000 kW
48,000,000 W
48,000,000,000 mW
0.048 GW
4.8e-5 TW
434.15 K
161 °C
321.8 °F
781.47 °R
Altheim Geothermal AreaUpper Austrian Molasse BasinJurassicLimestone; Dolomites1 MW
1,000 kW
1,000,000 W
1,000,000,000 mW
0.001 GW
1.0e-6 TW
373.15 K
100 °C
212 °F
671.67 °R
Amedee Geothermal AreaWalker-Lane Transition ZoneDisplacement Transfer ZoneMesozoicgranite; granodiorite
Bad Blumau Geothermal AreaStyrian BasinDolomite0.25 MW
250 kW
250,000 W
250,000,000 mW
2.5e-4 GW
2.5e-7 TW
383.15 K
110 °C
230 °F
689.67 °R
Beowawe Hot Springs Geothermal AreaCentral Nevada Seismic Zone Geothermal RegionPull-Apart in Strike-Slip Fault ZoneOrdovicianshale; quartzite17 MW
17,000 kW
17,000,000 W
17,000,000,000 mW
0.017 GW
1.7e-5 TW
483.15 K
210 °C
410 °F
869.67 °R
Blue Mountain Geothermal AreaNorthwest Basin and Range Geothermal RegionFault Intersection
Intrusion Margins and Associated Fractures
TriassicMetasedimentary49.5 MW
49,500 kW
49,500,000 W
49,500,000,000 mW
0.0495 GW
4.95e-5 TW
470.15 K
197 °C
386.6 °F
846.27 °R
Brady Hot Springs Geothermal AreaNorthwest Basin and Range Geothermal RegionAccommodation ZoneMesozoicmetamorphic rocks26.1 MW
26,100 kW
26,100,000 W
26,100,000,000 mW
0.0261 GW
2.61e-5 TW
455.15 K
182 °C
359.6 °F
819.27 °R
Bruchsal Geothermal AreaUpper Rhine ValleyMajor Normal FaultTriassicSandstone0.6 MW
600 kW
600,000 W
600,000,000 mW
6.0e-4 GW
6.0e-7 TW
413.15 K
140 °C
284 °F
743.67 °R
Coso Geothermal AreaWalker-Lane Transition ZonePull-Apart in Strike-Slip Fault ZoneMesozoicgranitic300 MW
300,000 kW
300,000,000 W
300,000,000,000 mW
0.3 GW
3.0e-4 TW
571.15 K
298 °C
568.4 °F
1,028.07 °R
Desert Peak Geothermal AreaNorthwest Basin and Range Geothermal RegionStepover or Relay Ramp in Normal Fault ZonesMesozoicgreenstone23 MW
23,000 kW
23,000,000 W
23,000,000,000 mW
0.023 GW
2.3e-5 TW
481.15 K
208 °C
406.4 °F
866.07 °R
Dixie Valley Geothermal AreaCentral Nevada Seismic Zone Geothermal RegionMajor Normal Fault
Stepover or Relay Ramp in Normal Fault Zones
JurassicBasalt62 MW
62,000 kW
62,000,000 W
62,000,000,000 mW
0.062 GW
6.2e-5 TW
504.15 K
231 °C
447.8 °F
907.47 °R
Eburru Geothermal AreaEast African Rift System - Kenya RiftBasalt2.5 MW
2,500 kW
2,500,000 W
2,500,000,000 mW
0.0025 GW
2.5e-6 TW
578.15 K
305 °C
581 °F
1,040.67 °R
Fernley Geothermal AreaNorthwest Basin and Range Geothermal Region30 MW
30,000 kW
30,000,000 W
30,000,000,000 mW
0.03 GW
3.0e-5 TW
422.15 K
149 °C
300.2 °F
759.87 °R
Germencik Geothermal AreaAegean-West Anatolian Extensional RegionFault IntersectionMarble73.4 MW
73,400 kW
73,400,000 W
73,400,000,000 mW
0.0734 GW
7.34e-5 TW
491.15 K
218 °C
424.4 °F
884.07 °R
Gumuskoy Geothermal AreaAegean-West Anatolian Extensional RegionFault IntersectionPaleozicMarble13.2 MW
13,200 kW
13,200,000 W
13,200,000,000 mW
0.0132 GW
1.32e-5 TW
413.15 K
140 °C
284 °F
743.67 °R
Hot Sulphur Springs Geothermal AreaCentral Nevada Seismic Zone Geothermal Region18 MW
18,000 kW
18,000,000 W
18,000,000,000 mW
0.018 GW
1.8e-5 TW
445.15 K
172 °C
341.6 °F
801.27 °R
Humboldt House Geothermal AreaNorthwest Basin and Range Geothermal RegionFault Controlled0.3 MW
300 kW
300,000 W
300,000,000 mW
3.0e-4 GW
3.0e-7 TW
466.15 K
193 °C
379.4 °F
839.07 °R
Iwate Geothermal AreaNortheast Honshu ArcMiocene; Pre-TertiaryDacitic welded tuff; Marine Sediments Tuffs; Shales; Chert; Slate; Granodiorite103.5 MW
103,500 kW
103,500,000 W
103,500,000,000 mW
0.104 GW
1.035e-4 TW
578.15 K
305 °C
581 °F
1,040.67 °R
Kawerau Geothermal AreaTaupo Volcanic ZoneFault IntersectionQuaternaryVolcaniclastic; Sandstone; Mudstone115 MW
115,000 kW
115,000,000 W
115,000,000,000 mW
0.115 GW
1.15e-4 TW
543.15 K
270 °C
518 °F
977.67 °R
Kizildere Geothermal AreaAegean-West Anatolian Extensional RegionFault IntersectionMioceneLimestone102 MW
102,000 kW
102,000,000 W
102,000,000,000 mW
0.102 GW
1.02e-4 TW
459.15 K
186 °C
366.8 °F
826.47 °R
Klamath Falls Geothermal AreaCascades Geothermal Region1.8 MW
1,800 kW
1,800,000 W
1,800,000,000 mW
0.0018 GW
1.8e-6 TW
386.15 K
113 °C
235.4 °F
695.07 °R
Landau Geothermal AreaUpper Rhine ValleyMajor Normal Fault3.6 MW
3,600 kW
3,600,000 W
3,600,000,000 mW
0.0036 GW
3.6e-6 TW
413.15 K
140 °C
284 °F
743.67 °R
Langjiu Geothermal AreaTibet Geothermal RegionFault Controlled1 MW
1,000 kW
1,000,000 W
1,000,000,000 mW
0.001 GW
1.0e-6 TW
377.15 K
104 °C
219.2 °F
678.87 °R
Larderello Geothermal AreaItaly Geothermal RegionTriassicDolostone; Metamorphic Basement594 MW
594,000 kW
594,000,000 W
594,000,000,000 mW
0.594 GW
5.94e-4 TW
523.15 K
250 °C
482 °F
941.67 °R
Lightning Dock Geothermal AreaSouthern Basin and Range Geothermal RegionFault IntersectionPaleozoic carbonate rocks and late Tertiary volcanic rocks4.4 MW
4,400 kW
4,400,000 W
4,400,000,000 mW
0.0044 GW
4.4e-6 TW
443.15 K
170 °C
338 °F
797.67 °R
Los Humeros Geothermal AreaTransmexican Volcanic BeltTertiaryAndesite90 MW
90,000 kW
90,000,000 W
90,000,000,000 mW
0.09 GW
9.0e-5 TW
578.15 K
305 °C
581 °F
1,040.67 °R
Mak-Ban / Laguna Geothermal AreaPhilippine Island Arc457.75 MW
457,750 kW
457,750,000 W
457,750,000,000 mW
0.458 GW
4.5775e-4 TW
618.15 K
345 °C
653 °F
1,112.67 °R
Mori Geothermal AreaKuril-Kamchatka ArcCaldera Rim MarginsPre-TertiaryLimestone50 MW
50,000 kW
50,000,000 W
50,000,000,000 mW
0.05 GW
5.0e-5 TW
513.15 K
240 °C
464 °F
923.67 °R
Nagqu Geothermal AreaTibet geothermal region5.8 MW
5,800 kW
5,800,000 W
5,800,000,000 mW
0.0058 GW
5.8e-6 TW
388.15 K
115 °C
239 °F
698.67 °R
Neal Hot Springs Geothermal AreaSnake River PlainPull-Apart in Strike-Slip Fault ZoneMioceneBasalt33 MW
33,000 kW
33,000,000 W
33,000,000,000 mW
0.033 GW
3.3e-5 TW
429.15 K
156 °C
312.8 °F
772.47 °R
Oita Geothermal AreaRyuku Arc13.54 MW
13,540 kW
13,540,000 W
13,540,000,000 mW
0.0135 GW
1.354e-5 TW
Pamukoren Geothermal AreaAegean-West Anatolian Extensional Region45 MW
45,000 kW
45,000,000 W
45,000,000,000 mW
0.045 GW
4.5e-5 TW
448.15 K
175 °C
347 °F
806.67 °R
Raft River Geothermal AreaNorthern Basin and Range Geothermal RegionFault Intersection1- Archean; 2-Proterozoic1- quartz monzonite; 2-schist; quartzite13 MW
13,000 kW
13,000,000 W
13,000,000,000 mW
0.013 GW
1.3e-5 TW
468.15 K
195 °C
383 °F
842.67 °R
Romania Geothermal AreaEurope0.5 MW
500 kW
500,000 W
500,000,000 mW
5.0e-4 GW
5.0e-7 TW
358.15 K
85 °C
185 °F
644.67 °R
Roosevelt Hot Springs Geothermal AreaNorthern Basin and Range Geothermal Region1- Tertiary; 2- Precambrian1- granite; 2- metamorphic34 MW
34,000 kW
34,000,000 W
34,000,000,000 mW
0.034 GW
3.4e-5 TW
533.15 K
260 °C
500 °F
959.67 °R
Rye Patch Geothermal AreaNorthwest Basin and Range Geothermal Region12.5 MW
12,500 kW
12,500,000 W
12,500,000,000 mW
0.0125 GW
1.25e-5 TW
486.15 K
213 °C
415.4 °F
875.07 °R
Salavatli Geothermal AreaAegean-West Anatolian Extensional RegionMajor Normal Fault58 MW
58,000 kW
58,000,000 W
58,000,000,000 mW
0.058 GW
5.8e-5 TW
444.15 K
171 °C
339.8 °F
799.47 °R
Salt Wells Geothermal AreaNorthwest Basin and Range Geothermal Region23.6 MW
23,600 kW
23,600,000 W
23,600,000,000 mW
0.0236 GW
2.36e-5 TW
466.15 K
193 °C
379.4 °F
839.07 °R
San Emidio Desert Geothermal AreaNorthwest Basin and Range Geothermal Region14.22 MW
14,220 kW
14,220,000 W
14,220,000,000 mW
0.0142 GW
1.422e-5 TW
426.15 K
153 °C
307.4 °F
767.07 °R
Simbach Braunau Geothermal AreaUpper Austrian Molasse BasinJurrasicLimestone0.2 MW
200 kW
200,000 W
200,000,000 mW
2.0e-4 GW
2.0e-7 TW
368.15 K
95 °C
203 °F
662.67 °R
Soda Lake Geothermal AreaNorthwest Basin and Range Geothermal RegionMiocenepumice tuff26.1 MW
26,100 kW
26,100,000 W
26,100,000,000 mW
0.0261 GW
2.61e-5 TW
452.15 K
179 °C
354.2 °F
813.87 °R
Steamboat Springs Geothermal AreaWalker-Lane Transition ZoneFault Intersection1- Cretaceous; 2- Pliocene-Pleistocene1- granodiorite; 2- basaltic andesite147 MW
147,000 kW
147,000,000 W
147,000,000,000 mW
0.147 GW
1.47e-4 TW
483.15 K
210 °C
410 °F
869.67 °R
Stillwater Geothermal AreaNorthwest Basin and Range Geothermal RegionAccommodation ZoneQuaternarysandstone47.2 MW
47,200 kW
47,200,000 W
47,200,000,000 mW
0.0472 GW
4.72e-5 TW
447.15 K
174 °C
345.2 °F
804.87 °R
Takigami Geothermal AreaRyuku ArcFault ControlledTertiaryAndesite28 MW
28,000 kW
28,000,000 W
28,000,000,000 mW
0.028 GW
2.8e-5 TW
478.15 K
205 °C
401 °F
860.67 °R
Thermo Hot Springs Geothermal AreaNorthern Basin and Range Geothermal Region10.3 MW
10,300 kW
10,300,000 W
10,300,000,000 mW
0.0103 GW
1.03e-5 TW
462.15 K
189 °C
372.2 °F
831.87 °R
Tuzla Geothermal AreaAegean-West Anatolian Extensional RegionFault Intersection8 MW
8,000 kW
8,000,000 W
8,000,000,000 mW
0.008 GW
8.0e-6 TW
405.15 K
132 °C
269.6 °F
729.27 °R
Wabuska Hot Springs Geothermal AreaWalker-Lane Transition Zone Geothermal RegionQuaternarygravels; sands2.4 MW
2,400 kW
2,400,000 W
2,400,000,000 mW
0.0024 GW
2.4e-6 TW
403.15 K
130 °C
266 °F
725.67 °R
Wairakei-Poihipi Geothermal AreaTaupo Volcanic ZoneFault IntersectionQuaternaryVolcaniclastic352 MW
352,000 kW
352,000,000 W
352,000,000,000 mW
0.352 GW
3.52e-4 TW
483.15 K
210 °C
410 °F
869.67 °R
Wendel Geothermal AreaWalker-Lane Transition Zone Geothermal RegionDisplacement Transfer ZoneMesozoicGranite, Granodiorite3.8 MW
3,800 kW
3,800,000 W
3,800,000,000 mW
0.0038 GW
3.8e-6 TW
413.15 K
140 °C
284 °F
743.67 °R
Wild Rose Geothermal AreaWalker-Lane Transition Zone Geothermal RegionFault Controlled16 MW
16,000 kW
16,000,000 W
16,000,000,000 mW
0.016 GW
1.6e-5 TW
412.15 K
139 °C
282.2 °F
741.87 °R
Yangbajain Geothermal AreaHimalayan Mountain RangeFault Intersection24 MW
24,000 kW
24,000,000 W
24,000,000,000 mW
0.024 GW
2.4e-5 TW
478.15 K
205 °C
401 °F
860.67 °R


References

  1. Colin F. Williams, Marshall J. Reed and Arlene F. Anderson. 2011. Updating the Classification of Geothermal Resources - Presentation. In: Thirty-Sixth Workshop on Geothermal Reservoir Engineering; 2011/02/02; Stanford, California. Stanford, California: Stanford University; p. 23