Gas geochemistry of geothermal fluids from the Hatchobaru geothermal field, Japan
•Fluid & gas chemistry of the Hatchobaru geothermal field, Kyushu, Japan was studied.•Gas chemistry is likely to reflect the signature of the magmatic heat source.•Carbon isotope systematics yielded an apparent equilibrium temperature of ∼400 °C. We analyzed the chemical and isotopic composition...
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| Veröffentlicht in: | Geothermics 2022-06, Vol.102, p.102379, Article 102379 |
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| creator | Ishibashi, Jun-ichiro Yamashita, Kei Kitamura, Keigo Fujimitsu, Yasuhiro Oshima, Syogo Kiyota, Yumi |
| description | •Fluid & gas chemistry of the Hatchobaru geothermal field, Kyushu, Japan was studied.•Gas chemistry is likely to reflect the signature of the magmatic heat source.•Carbon isotope systematics yielded an apparent equilibrium temperature of ∼400 °C.
We analyzed the chemical and isotopic composition of the geothermal fluids from the Hatchobaru geothermal field in the Kyushu Island, Japan. Fluid chemistry showed similarity with that reported in earlier studies. Chemical geothermometry provided an estimated reservoir temperature of 250–300 °C. Helium and carbon isotopic ratios of the steam is likely to reflect the signature of the magmatic heat source. The apparent equilibrium temperature for carbon isotope exchange between CO2 and CH4 was 375–430 °C. The sulfur isotope data were in accordance with the idea that an acidic Cl-SO4-type fluid was modified from a neutral Cl-type fluid. |
| doi_str_mv | 10.1016/j.geothermics.2022.102379 |
| format | Article |
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We analyzed the chemical and isotopic composition of the geothermal fluids from the Hatchobaru geothermal field in the Kyushu Island, Japan. Fluid chemistry showed similarity with that reported in earlier studies. Chemical geothermometry provided an estimated reservoir temperature of 250–300 °C. Helium and carbon isotopic ratios of the steam is likely to reflect the signature of the magmatic heat source. The apparent equilibrium temperature for carbon isotope exchange between CO2 and CH4 was 375–430 °C. The sulfur isotope data were in accordance with the idea that an acidic Cl-SO4-type fluid was modified from a neutral Cl-type fluid.</description><identifier>ISSN: 0375-6505</identifier><identifier>EISSN: 1879-3576</identifier><identifier>DOI: 10.1016/j.geothermics.2022.102379</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Carbon dioxide ; Carbon isotope exchange geothermometry ; Carbon isotopes ; Chemical composition ; Estimated reservoir temperature ; Geochemistry ; Geothermal power ; Helium ; Isotope ratios ; Isotopes ; Magmatic volatiles ; Sulfur ; Sulfur isotopes</subject><ispartof>Geothermics, 2022-06, Vol.102, p.102379, Article 102379</ispartof><rights>2022</rights><rights>Copyright Elsevier Science Ltd. Jun 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a482t-f03dbe6e0cce327efd80b0f860d81151cd4e9b29249e6b80331418f7f3bfbfcb3</citedby><cites>FETCH-LOGICAL-a482t-f03dbe6e0cce327efd80b0f860d81151cd4e9b29249e6b80331418f7f3bfbfcb3</cites><orcidid>0000-0001-5550-4845</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.geothermics.2022.102379$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27926,27927,45997</link.rule.ids></links><search><creatorcontrib>Ishibashi, Jun-ichiro</creatorcontrib><creatorcontrib>Yamashita, Kei</creatorcontrib><creatorcontrib>Kitamura, Keigo</creatorcontrib><creatorcontrib>Fujimitsu, Yasuhiro</creatorcontrib><creatorcontrib>Oshima, Syogo</creatorcontrib><creatorcontrib>Kiyota, Yumi</creatorcontrib><title>Gas geochemistry of geothermal fluids from the Hatchobaru geothermal field, Japan</title><title>Geothermics</title><description>•Fluid & gas chemistry of the Hatchobaru geothermal field, Kyushu, Japan was studied.•Gas chemistry is likely to reflect the signature of the magmatic heat source.•Carbon isotope systematics yielded an apparent equilibrium temperature of ∼400 °C.
We analyzed the chemical and isotopic composition of the geothermal fluids from the Hatchobaru geothermal field in the Kyushu Island, Japan. Fluid chemistry showed similarity with that reported in earlier studies. Chemical geothermometry provided an estimated reservoir temperature of 250–300 °C. Helium and carbon isotopic ratios of the steam is likely to reflect the signature of the magmatic heat source. The apparent equilibrium temperature for carbon isotope exchange between CO2 and CH4 was 375–430 °C. The sulfur isotope data were in accordance with the idea that an acidic Cl-SO4-type fluid was modified from a neutral Cl-type fluid.</description><subject>Carbon dioxide</subject><subject>Carbon isotope exchange geothermometry</subject><subject>Carbon isotopes</subject><subject>Chemical composition</subject><subject>Estimated reservoir temperature</subject><subject>Geochemistry</subject><subject>Geothermal power</subject><subject>Helium</subject><subject>Isotope ratios</subject><subject>Isotopes</subject><subject>Magmatic volatiles</subject><subject>Sulfur</subject><subject>Sulfur isotopes</subject><issn>0375-6505</issn><issn>1879-3576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqNkMFKxDAQhoMouK6-Q8WrXSdJm7RHWXRXWRBBzyFJJ25Ku12TVti3t1IFvXkaGP7_G-Yj5JLCggIVN_XiDbt-i6H1Ni4YMDbuGZflEZnRQpYpz6U4JjPgMk9FDvkpOYuxBgCZS5iR55WOyYiwW2x97MMh6Vzyg9RN4prBVzFxoWuTcZesdW-3ndFh-JPy2FTXyaPe6905OXG6iXjxPefk9f7uZblON0-rh-XtJtVZwfrUAa8MCgRrkTOJrirAgCsEVAWlObVVhqVhJctKFKYAzmlGCycdN844a_icXE3cfejeB4y9qrsh7MaTigkhi1xAJsdUOaVs6GIM6NQ--FaHg6KgvgyqWv0yqL4Mqsng2F1OXRzf-PAYVLQedxYrH9D2qur8Pyifu6mAww</recordid><startdate>202206</startdate><enddate>202206</enddate><creator>Ishibashi, Jun-ichiro</creator><creator>Yamashita, Kei</creator><creator>Kitamura, Keigo</creator><creator>Fujimitsu, Yasuhiro</creator><creator>Oshima, Syogo</creator><creator>Kiyota, Yumi</creator><general>Elsevier Ltd</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0001-5550-4845</orcidid></search><sort><creationdate>202206</creationdate><title>Gas geochemistry of geothermal fluids from the Hatchobaru geothermal field, Japan</title><author>Ishibashi, Jun-ichiro ; Yamashita, Kei ; Kitamura, Keigo ; Fujimitsu, Yasuhiro ; Oshima, Syogo ; Kiyota, Yumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a482t-f03dbe6e0cce327efd80b0f860d81151cd4e9b29249e6b80331418f7f3bfbfcb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Carbon dioxide</topic><topic>Carbon isotope exchange geothermometry</topic><topic>Carbon isotopes</topic><topic>Chemical composition</topic><topic>Estimated reservoir temperature</topic><topic>Geochemistry</topic><topic>Geothermal power</topic><topic>Helium</topic><topic>Isotope ratios</topic><topic>Isotopes</topic><topic>Magmatic volatiles</topic><topic>Sulfur</topic><topic>Sulfur isotopes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ishibashi, Jun-ichiro</creatorcontrib><creatorcontrib>Yamashita, Kei</creatorcontrib><creatorcontrib>Kitamura, Keigo</creatorcontrib><creatorcontrib>Fujimitsu, Yasuhiro</creatorcontrib><creatorcontrib>Oshima, Syogo</creatorcontrib><creatorcontrib>Kiyota, Yumi</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Geothermics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ishibashi, Jun-ichiro</au><au>Yamashita, Kei</au><au>Kitamura, Keigo</au><au>Fujimitsu, Yasuhiro</au><au>Oshima, Syogo</au><au>Kiyota, Yumi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gas geochemistry of geothermal fluids from the Hatchobaru geothermal field, Japan</atitle><jtitle>Geothermics</jtitle><date>2022-06</date><risdate>2022</risdate><volume>102</volume><spage>102379</spage><pages>102379-</pages><artnum>102379</artnum><issn>0375-6505</issn><eissn>1879-3576</eissn><abstract>•Fluid & gas chemistry of the Hatchobaru geothermal field, Kyushu, Japan was studied.•Gas chemistry is likely to reflect the signature of the magmatic heat source.•Carbon isotope systematics yielded an apparent equilibrium temperature of ∼400 °C.
We analyzed the chemical and isotopic composition of the geothermal fluids from the Hatchobaru geothermal field in the Kyushu Island, Japan. Fluid chemistry showed similarity with that reported in earlier studies. Chemical geothermometry provided an estimated reservoir temperature of 250–300 °C. Helium and carbon isotopic ratios of the steam is likely to reflect the signature of the magmatic heat source. The apparent equilibrium temperature for carbon isotope exchange between CO2 and CH4 was 375–430 °C. The sulfur isotope data were in accordance with the idea that an acidic Cl-SO4-type fluid was modified from a neutral Cl-type fluid.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.geothermics.2022.102379</doi><orcidid>https://orcid.org/0000-0001-5550-4845</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Carbon dioxide Carbon isotope exchange geothermometry Carbon isotopes Chemical composition Estimated reservoir temperature Geochemistry Geothermal power Helium Isotope ratios Isotopes Magmatic volatiles Sulfur Sulfur isotopes |
| title | Gas geochemistry of geothermal fluids from the Hatchobaru geothermal field, Japan |
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