An assessment of hydrothermal alteration in the Santiaguito lava dome complex, Guatemala: implications for dome collapse hazards
A combination of field mapping, geochemistry, and remote sensing methods has been employed to determine the extent of hydrothermal alteration and assess the potential for failure at the Santiaguito lava dome complex, Guatemala. The 90-year-old complex of four lava domes has only experienced relative...
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| Veröffentlicht in: | Bulletin of volcanology 2013, Vol.75 (1), p.1-18, Article 676 |
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| description | A combination of field mapping, geochemistry, and remote sensing methods has been employed to determine the extent of hydrothermal alteration and assess the potential for failure at the Santiaguito lava dome complex, Guatemala. The 90-year-old complex of four lava domes has only experienced relatively small and infrequent dome collapses in the past, which were associated with lava extrusion. However, existing evidence of an active hydrothermal system coupled with intense seasonal precipitation also presents ideal conditions for instability related to weakened clay-rich edifice rocks. Mapping of the Santiaguito dome complex identified structural features related to dome growth dynamics, potential areas of weakness related to erosion, and locations of fumarole fields. X-ray diffraction and backscattered electron images taken with scanning electron microscopy of dacite and ash samples collected from around fumaroles revealed only minor clay films, and little evidence of alteration. Mineral mapping using ASTER and Hyperion satellite images, however, suggest low-temperature ( |
| doi_str_mv | 10.1007/s00445-012-0676-z |
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18
O/δD ratios show only minor shifts from the meteoric water line with little precipitation of secondary (alteration) minerals. Based on available data, hydrothermal alteration on the dome complex appears to be restricted to surficial deposits of hydrous silica, but the study has highlighted, importantly, that the 1902 eruption crater headwall of Santa María does show more advanced argillic alteration. We also cannot rule out the possibility of advanced alteration within the dome complex interior that is not accessible to the methods used here. It may therefore be prudent to employ geophysical methods to make further assessments in the future.</description><identifier>ISSN: 0258-8900</identifier><identifier>EISSN: 1432-0819</identifier><identifier>DOI: 10.1007/s00445-012-0676-z</identifier><identifier>CODEN: BUVOEW</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Clay ; Crystalline rocks ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Geochemistry ; Geology ; Geophysics/Geodesy ; Hot springs ; Igneous and metamorphic rocks petrology, volcanic processes, magmas ; Lava ; Lava domes ; Low temperature ; Meteoric water ; Mineralogy ; Natural hazards: prediction, damages, etc ; Remote sensing ; Research Article ; Rocks ; Sedimentology ; Silica ; Volcanoes ; Volcanology ; X-ray diffraction</subject><ispartof>Bulletin of volcanology, 2013, Vol.75 (1), p.1-18, Article 676</ispartof><rights>The Author(s) 2012</rights><rights>2014 INIST-CNRS</rights><rights>Springer-Verlag Berlin Heidelberg 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a511t-b53155027082ce4606b32d1ddf2b462d7af1e75a9e835b67cd7717237eddfde53</citedby><cites>FETCH-LOGICAL-a511t-b53155027082ce4606b32d1ddf2b462d7af1e75a9e835b67cd7717237eddfde53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00445-012-0676-z$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00445-012-0676-z$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,777,781,4011,27905,27906,27907,41470,42539,51301</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27584777$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ball, Jessica L.</creatorcontrib><creatorcontrib>Calder, Eliza S.</creatorcontrib><creatorcontrib>Hubbard, Bernard E.</creatorcontrib><creatorcontrib>Bernstein, Marc L.</creatorcontrib><title>An assessment of hydrothermal alteration in the Santiaguito lava dome complex, Guatemala: implications for dome collapse hazards</title><title>Bulletin of volcanology</title><addtitle>Bull Volcanol</addtitle><description>A combination of field mapping, geochemistry, and remote sensing methods has been employed to determine the extent of hydrothermal alteration and assess the potential for failure at the Santiaguito lava dome complex, Guatemala. The 90-year-old complex of four lava domes has only experienced relatively small and infrequent dome collapses in the past, which were associated with lava extrusion. However, existing evidence of an active hydrothermal system coupled with intense seasonal precipitation also presents ideal conditions for instability related to weakened clay-rich edifice rocks. Mapping of the Santiaguito dome complex identified structural features related to dome growth dynamics, potential areas of weakness related to erosion, and locations of fumarole fields. X-ray diffraction and backscattered electron images taken with scanning electron microscopy of dacite and ash samples collected from around fumaroles revealed only minor clay films, and little evidence of alteration. Mineral mapping using ASTER and Hyperion satellite images, however, suggest low-temperature (<150 °C) silicic alteration on erosional surfaces of the domes, but not the type of pervasive acid-sulfate alteration implicated in collapses of other altered edifices. To evaluate the possibility of internal alteration, we re-examined existing aqueous geochemical data from dome-fed hot springs. The data indicate significant water–rock interaction, but the Na–Mg–K geoindicator suggests only a short water residence time, and δ
18
O/δD ratios show only minor shifts from the meteoric water line with little precipitation of secondary (alteration) minerals. Based on available data, hydrothermal alteration on the dome complex appears to be restricted to surficial deposits of hydrous silica, but the study has highlighted, importantly, that the 1902 eruption crater headwall of Santa María does show more advanced argillic alteration. We also cannot rule out the possibility of advanced alteration within the dome complex interior that is not accessible to the methods used here. It may therefore be prudent to employ geophysical methods to make further assessments in the future.</description><subject>Clay</subject><subject>Crystalline rocks</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Geophysics/Geodesy</subject><subject>Hot springs</subject><subject>Igneous and metamorphic rocks petrology, volcanic processes, magmas</subject><subject>Lava</subject><subject>Lava domes</subject><subject>Low temperature</subject><subject>Meteoric water</subject><subject>Mineralogy</subject><subject>Natural hazards: prediction, damages, etc</subject><subject>Remote sensing</subject><subject>Research Article</subject><subject>Rocks</subject><subject>Sedimentology</subject><subject>Silica</subject><subject>Volcanoes</subject><subject>Volcanology</subject><subject>X-ray diffraction</subject><issn>0258-8900</issn><issn>1432-0819</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kc1rFEEQxQdRcI3-Ad4aRPDgxO6e6Y_1FoL5gIAH9dzUTtdkO8x0r109YvaUPz0dN4oInoqq-r3Hg9c0rwU_FpybD8R536uWC9lybXS7f9KsRN_VzYr102bFpbKtXXP-vHlBdMN5fWqzau5OIgMiJJoxFpZGtr31OZUt5hkmBlPBDCWkyEJk9cq-QCwBrpdQEpvgBzCfZmRDmncT_nzPzhcoWJXwkYV6CsMvMbEx5d_kNMGOkG1hD9nTy-bZCBPhq8d51Hw7-_T19KK9-nx-eXpy1YISorQb1QmluDTcygF7zfWmk154P8pNr6U3MAo0CtZoO7XRZvDGCCM7gxXxqLqj5t3Bd5fT9wWpuDnQgDVMxLSQE1pKLeTayoq--Qe9SUuONZ0T0hourbK8UuJADTkRZRzdLocZ8q0T3D104g6duNqJe-jE7avm7aMz0ADTmCEOgf4IpVG2N8ZUTh44qq94jfmvBP81vwcvDp3h</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>Ball, Jessica L.</creator><creator>Calder, Eliza S.</creator><creator>Hubbard, Bernard E.</creator><creator>Bernstein, Marc L.</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7TN</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>2013</creationdate><title>An assessment of hydrothermal alteration in the Santiaguito lava dome complex, Guatemala: implications for dome collapse hazards</title><author>Ball, Jessica L. ; Calder, Eliza S. ; Hubbard, Bernard E. ; Bernstein, Marc L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a511t-b53155027082ce4606b32d1ddf2b462d7af1e75a9e835b67cd7717237eddfde53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Clay</topic><topic>Crystalline rocks</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Geophysics/Geodesy</topic><topic>Hot springs</topic><topic>Igneous and metamorphic rocks petrology, volcanic processes, magmas</topic><topic>Lava</topic><topic>Lava domes</topic><topic>Low temperature</topic><topic>Meteoric water</topic><topic>Mineralogy</topic><topic>Natural hazards: prediction, damages, etc</topic><topic>Remote sensing</topic><topic>Research Article</topic><topic>Rocks</topic><topic>Sedimentology</topic><topic>Silica</topic><topic>Volcanoes</topic><topic>Volcanology</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ball, Jessica L.</creatorcontrib><creatorcontrib>Calder, Eliza S.</creatorcontrib><creatorcontrib>Hubbard, Bernard E.</creatorcontrib><creatorcontrib>Bernstein, Marc L.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><jtitle>Bulletin of volcanology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ball, Jessica L.</au><au>Calder, Eliza S.</au><au>Hubbard, Bernard E.</au><au>Bernstein, Marc L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An assessment of hydrothermal alteration in the Santiaguito lava dome complex, Guatemala: implications for dome collapse hazards</atitle><jtitle>Bulletin of volcanology</jtitle><stitle>Bull Volcanol</stitle><date>2013</date><risdate>2013</risdate><volume>75</volume><issue>1</issue><spage>1</spage><epage>18</epage><pages>1-18</pages><artnum>676</artnum><issn>0258-8900</issn><eissn>1432-0819</eissn><coden>BUVOEW</coden><abstract>A combination of field mapping, geochemistry, and remote sensing methods has been employed to determine the extent of hydrothermal alteration and assess the potential for failure at the Santiaguito lava dome complex, Guatemala. The 90-year-old complex of four lava domes has only experienced relatively small and infrequent dome collapses in the past, which were associated with lava extrusion. However, existing evidence of an active hydrothermal system coupled with intense seasonal precipitation also presents ideal conditions for instability related to weakened clay-rich edifice rocks. Mapping of the Santiaguito dome complex identified structural features related to dome growth dynamics, potential areas of weakness related to erosion, and locations of fumarole fields. X-ray diffraction and backscattered electron images taken with scanning electron microscopy of dacite and ash samples collected from around fumaroles revealed only minor clay films, and little evidence of alteration. Mineral mapping using ASTER and Hyperion satellite images, however, suggest low-temperature (<150 °C) silicic alteration on erosional surfaces of the domes, but not the type of pervasive acid-sulfate alteration implicated in collapses of other altered edifices. To evaluate the possibility of internal alteration, we re-examined existing aqueous geochemical data from dome-fed hot springs. The data indicate significant water–rock interaction, but the Na–Mg–K geoindicator suggests only a short water residence time, and δ
18
O/δD ratios show only minor shifts from the meteoric water line with little precipitation of secondary (alteration) minerals. Based on available data, hydrothermal alteration on the dome complex appears to be restricted to surficial deposits of hydrous silica, but the study has highlighted, importantly, that the 1902 eruption crater headwall of Santa María does show more advanced argillic alteration. We also cannot rule out the possibility of advanced alteration within the dome complex interior that is not accessible to the methods used here. It may therefore be prudent to employ geophysical methods to make further assessments in the future.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00445-012-0676-z</doi><tpages>18</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Clay Crystalline rocks Earth and Environmental Science Earth Sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Geochemistry Geology Geophysics/Geodesy Hot springs Igneous and metamorphic rocks petrology, volcanic processes, magmas Lava Lava domes Low temperature Meteoric water Mineralogy Natural hazards: prediction, damages, etc Remote sensing Research Article Rocks Sedimentology Silica Volcanoes Volcanology X-ray diffraction |
| title | An assessment of hydrothermal alteration in the Santiaguito lava dome complex, Guatemala: implications for dome collapse hazards |
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