Hydrogeochemistry and preliminary reservoir model of the Platanares Geothermal System, Honduras, Central America

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A detailed hydrogeochemical investigation has been performed at Platanares, Honduras in preparation for shallow geothermal exploration drilling. Platanares is not associated with any Quaternary volcanism but lies in a tectonic zone of late Tertiary to Quaternary extension. Thermal fluids are characterized by pH between 7 and 10, Cl < 40 mg/l, HCO/sub 3/ > SO/sub 4/ > Cl, B less than or equal to 17 mg/l, Li less than or equal to 4 mg/l and As less than or equal to 1.25 mg/l. Various geochemical indicators show that mixing of hot and cold end-member fluids is an important hydrologic process ... continued below

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Pages: 7

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Goff, F.; Shevenell, L.; Janik, C.J.; Truesdell, A.H.; Grigsby, C.O. & Paredes, R. January 1, 1986.

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A detailed hydrogeochemical investigation has been performed at Platanares, Honduras in preparation for shallow geothermal exploration drilling. Platanares is not associated with any Quaternary volcanism but lies in a tectonic zone of late Tertiary to Quaternary extension. Thermal fluids are characterized by pH between 7 and 10, Cl < 40 mg/l, HCO/sub 3/ > SO/sub 4/ > Cl, B less than or equal to 17 mg/l, Li less than or equal to 4 mg/l and As less than or equal to 1.25 mg/l. Various geochemical indicators show that mixing of hot and cold end-member fluids is an important hydrologic process at this site. Geothermometers indicate the geothermal system equilibrated at roughly 225/sup 0/C while trace element chemistry indicates the reservoir resides in Cretaceous red beds of the Valle de Angeles Group. Based on the discharge rates of thermal features, the minimum power output of the Platanares geothermal site is about 45 MW (thermal).

Physical Description

Pages: 7

Notes

NTIS, PC A02/MF A01; 1.

Source

  • Geothermal Resources Council annual meeting, Palm Springs, CA, USA, 29 Sep 1986

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  • Other: DE86010198
  • Report No.: LA-UR-86-1404
  • Report No.: CONF-860926-2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5509256
  • Archival Resource Key: ark:/67531/metadc1093593

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  • January 1, 1986

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  • Feb. 10, 2018, 10:06 p.m.

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  • June 4, 2018, 1:49 p.m.

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Goff, F.; Shevenell, L.; Janik, C.J.; Truesdell, A.H.; Grigsby, C.O. & Paredes, R. Hydrogeochemistry and preliminary reservoir model of the Platanares Geothermal System, Honduras, Central America, article, January 1, 1986; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1093593/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.