Geochemistry of thermal waters from Al-Lisi - Isbil geothermal field, Dhamar Governorate, Yemen

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dc.contributor Jarðhitaskóli Háskóla Sameinuðu þjóðanna is
dc.contributor.author Al-Kohlani, Taha Ahmed M. is
dc.date.accessioned 2014-09-02T08:39:26Z
dc.date.available 2014-09-02T08:39:26Z
dc.date.issued 2009
dc.identifier.issn 1670-7427
dc.identifier.uri http://hdl.handle.net/10802/6673
dc.description Í : Geothermal training in Iceland 2008, s. 53-76 is
dc.description Myndefni: myndir, gröf is
dc.description.abstract The Al-Lisi – Isbil geothermal and volcanic field, one of Yemen’s important fields, is known for its fumaroles, steaming grounds and hot wells. The area is mainly composed of basaltic lava flows, stratified basic tuffs and agglomerate pyroclastics. Less common are differentiated rock-types like rhyolite. The Al-Lisi volcano is though an exception which consists entirely of acidic lava flows (rhyolite, obsidian, acidic tuffs and ash rings). Chemical analyses from 29 shallow water wells from the Al-Lisi – Isbil area were reviewed. All the data were interpreted using the WATCH program for speciation and by mineral equilibrium diagrams and other graphical presentations and classifications. The maximum reservoir temperature for the wells, predicted by calculation of various geothermometers, exceeds 100°C. There is evidence of mixing with cold water. The thermal fluid is of bicarbonate type and the reservoir rocks consist mainly of sandstone (Tawilah Formation) at 1000 to 1500 m depth. is
dc.format.extent 24 s. is
dc.language.iso en
dc.publisher United Nations University is
dc.publisher Orkustofnun is
dc.relation.ispartofseries United Nations University., UNU Geothermal Training Programme, Iceland. Report ; 2008-10
dc.relation.uri http://www.os.is/gogn/unu-gtp-report/UNU-GTP-2008-10.pdf
dc.subject Jarðhiti is
dc.subject Efnastyrkur is
dc.subject Jarðefnafræði is
dc.subject Jemen is
dc.title Geochemistry of thermal waters from Al-Lisi - Isbil geothermal field, Dhamar Governorate, Yemen en
dc.title.alternative Geothermal training in Iceland en
dc.type Bók is
dc.identifier.gegnir 991008183409706886


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