Pyroxene-high silica rhyolite trace element partition coefficients measured by ion microprobe
Pyroxene-liquid trace element partition coefficients have been measured in situ by ion microprobe in high silica rhyolites. Partition coefficients are reported for La, Ce, Nd, Sm, Dy, Er, Yb, Sc, Ti, V, Cr, Sr, Y, and Zr. The in situ analyses avoid the problem of contamination of the pyroxene phase...
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| Veröffentlicht in: | Geochimica et cosmochimica acta 1991-06, Vol.55 (6), p.1575-1585 |
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| creator | Sisson, T.W. |
| description | Pyroxene-liquid trace element partition coefficients have been measured
in situ by ion microprobe in high silica rhyolites. Partition coefficients are reported for La, Ce, Nd, Sm, Dy, Er, Yb, Sc, Ti, V, Cr, Sr, Y, and Zr. The
in situ analyses avoid the problem of contamination of the pyroxene phase by trace element-rich accessory mineral inclusions encountered in traditional bulk phenocryst-glass partitioning studies. Pyroxenes and glasses which have been analyzed are typical of high silica rhyolites worldwide. The samples analyzed are Bishop Tuff, California (augite, hypersthene); Sierra La Primavera, Mexico (ferrohedenbergite); and two samples of the Huckleberry Ridge Tuff, Wyoming (ferroaugite).
Rare earth element (REE) partition coefficient patterns are convex-upward and resemble patterns determined in less silicic bulk compositions. Partition coefficients for the REEs Sr, Zr, and Cr show correlations with the Mg# of clinopyroxene, suggesting that crystal composition influences the fine structure of partitioning patterns. The overall similarity of partitioning patterns between samples indicates that the partition coefficients determined in this study can be generally applied in the geochemical modeling of high silica rhyolites. |
| doi_str_mv | 10.1016/0016-7037(91)90129-S |
| format | Article |
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in situ by ion microprobe in high silica rhyolites. Partition coefficients are reported for La, Ce, Nd, Sm, Dy, Er, Yb, Sc, Ti, V, Cr, Sr, Y, and Zr. The
in situ analyses avoid the problem of contamination of the pyroxene phase by trace element-rich accessory mineral inclusions encountered in traditional bulk phenocryst-glass partitioning studies. Pyroxenes and glasses which have been analyzed are typical of high silica rhyolites worldwide. The samples analyzed are Bishop Tuff, California (augite, hypersthene); Sierra La Primavera, Mexico (ferrohedenbergite); and two samples of the Huckleberry Ridge Tuff, Wyoming (ferroaugite).
Rare earth element (REE) partition coefficient patterns are convex-upward and resemble patterns determined in less silicic bulk compositions. Partition coefficients for the REEs Sr, Zr, and Cr show correlations with the Mg# of clinopyroxene, suggesting that crystal composition influences the fine structure of partitioning patterns. The overall similarity of partitioning patterns between samples indicates that the partition coefficients determined in this study can be generally applied in the geochemical modeling of high silica rhyolites.</description><identifier>ISSN: 0016-7037</identifier><identifier>EISSN: 1872-9533</identifier><identifier>DOI: 10.1016/0016-7037(91)90129-S</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>580000 - Geosciences ; CALIFORNIA ; CHEMICAL ANALYSIS ; CHEMICAL COMPOSITION ; CHEMISTRY ; DEVELOPED COUNTRIES ; DEVELOPING COUNTRIES ; ELEMENTS ; FEDERAL REGION VIII ; FRACTIONATION ; GEOCHEMISTRY ; GEOSCIENCES ; IGNEOUS ROCKS ; INCLUSIONS ; ION MICROPROBE ANALYSIS ; LATIN AMERICA ; MAGMATISM ; METALS ; MEXICO ; MICROANALYSIS ; MINERALS ; NONDESTRUCTIVE ANALYSIS ; NORTH AMERICA ; OXYGEN COMPOUNDS ; PARTITION ; PETROCHEMISTRY ; PETROGENESIS ; PYROXENES ; RARE EARTHS ; RHYOLITES ; ROCKS ; SEPARATION PROCESSES ; SILICATES ; SILICON COMPOUNDS ; USA ; VOLCANIC ROCKS ; WYOMING</subject><ispartof>Geochimica et cosmochimica acta, 1991-06, Vol.55 (6), p.1575-1585</ispartof><rights>1991</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a420t-3a8dd382b15616534bdecd831255e7add26998da3aac4165b3c9044f3c75cdf63</citedby><cites>FETCH-LOGICAL-a420t-3a8dd382b15616534bdecd831255e7add26998da3aac4165b3c9044f3c75cdf63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0016-7037(91)90129-S$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/5979271$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Sisson, T.W.</creatorcontrib><title>Pyroxene-high silica rhyolite trace element partition coefficients measured by ion microprobe</title><title>Geochimica et cosmochimica acta</title><description>Pyroxene-liquid trace element partition coefficients have been measured
in situ by ion microprobe in high silica rhyolites. Partition coefficients are reported for La, Ce, Nd, Sm, Dy, Er, Yb, Sc, Ti, V, Cr, Sr, Y, and Zr. The
in situ analyses avoid the problem of contamination of the pyroxene phase by trace element-rich accessory mineral inclusions encountered in traditional bulk phenocryst-glass partitioning studies. Pyroxenes and glasses which have been analyzed are typical of high silica rhyolites worldwide. The samples analyzed are Bishop Tuff, California (augite, hypersthene); Sierra La Primavera, Mexico (ferrohedenbergite); and two samples of the Huckleberry Ridge Tuff, Wyoming (ferroaugite).
Rare earth element (REE) partition coefficient patterns are convex-upward and resemble patterns determined in less silicic bulk compositions. Partition coefficients for the REEs Sr, Zr, and Cr show correlations with the Mg# of clinopyroxene, suggesting that crystal composition influences the fine structure of partitioning patterns. The overall similarity of partitioning patterns between samples indicates that the partition coefficients determined in this study can be generally applied in the geochemical modeling of high silica rhyolites.</description><subject>580000 - Geosciences</subject><subject>CALIFORNIA</subject><subject>CHEMICAL ANALYSIS</subject><subject>CHEMICAL COMPOSITION</subject><subject>CHEMISTRY</subject><subject>DEVELOPED COUNTRIES</subject><subject>DEVELOPING COUNTRIES</subject><subject>ELEMENTS</subject><subject>FEDERAL REGION VIII</subject><subject>FRACTIONATION</subject><subject>GEOCHEMISTRY</subject><subject>GEOSCIENCES</subject><subject>IGNEOUS ROCKS</subject><subject>INCLUSIONS</subject><subject>ION MICROPROBE ANALYSIS</subject><subject>LATIN AMERICA</subject><subject>MAGMATISM</subject><subject>METALS</subject><subject>MEXICO</subject><subject>MICROANALYSIS</subject><subject>MINERALS</subject><subject>NONDESTRUCTIVE ANALYSIS</subject><subject>NORTH AMERICA</subject><subject>OXYGEN COMPOUNDS</subject><subject>PARTITION</subject><subject>PETROCHEMISTRY</subject><subject>PETROGENESIS</subject><subject>PYROXENES</subject><subject>RARE EARTHS</subject><subject>RHYOLITES</subject><subject>ROCKS</subject><subject>SEPARATION PROCESSES</subject><subject>SILICATES</subject><subject>SILICON COMPOUNDS</subject><subject>USA</subject><subject>VOLCANIC ROCKS</subject><subject>WYOMING</subject><issn>0016-7037</issn><issn>1872-9533</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAQxYMouK5-Aw_Bkx6qSdM0zUUQ8R8sKKweJaTJ1EbaZkmi2G9v64pHLzMw8-bx5ofQMSXnlNDygkwlE4SJU0nPJKG5zNY7aEErkWeSM7aLFn-SfXQQ4zshRHBOFuj1aQz-CwbIWvfW4ug6ZzQO7eg7lwCnoA1g6KCHIeGNDskl5wdsPDSNM26aRtyDjh8BLK5HPC97Z4LfBF_DIdprdBfh6Lcv0cvtzfP1fbZ6vHu4vlplushJypiurGVVXlNe0pKzorZgbMVozjkIbW1eSllZzbQ2xSSomZGkKBpmBDe2KdkSnWx9fUxORTNFN63xwwAmKS6FzAWdRMVWNKWLMUCjNsH1OoyKEjVzVDMkNUNSkqofjmo9nV1uz2B64NNBmP1hMGBdmO2td_8bfAOInXuX</recordid><startdate>19910601</startdate><enddate>19910601</enddate><creator>Sisson, T.W.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19910601</creationdate><title>Pyroxene-high silica rhyolite trace element partition coefficients measured by ion microprobe</title><author>Sisson, T.W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a420t-3a8dd382b15616534bdecd831255e7add26998da3aac4165b3c9044f3c75cdf63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>580000 - Geosciences</topic><topic>CALIFORNIA</topic><topic>CHEMICAL ANALYSIS</topic><topic>CHEMICAL COMPOSITION</topic><topic>CHEMISTRY</topic><topic>DEVELOPED COUNTRIES</topic><topic>DEVELOPING COUNTRIES</topic><topic>ELEMENTS</topic><topic>FEDERAL REGION VIII</topic><topic>FRACTIONATION</topic><topic>GEOCHEMISTRY</topic><topic>GEOSCIENCES</topic><topic>IGNEOUS ROCKS</topic><topic>INCLUSIONS</topic><topic>ION MICROPROBE ANALYSIS</topic><topic>LATIN AMERICA</topic><topic>MAGMATISM</topic><topic>METALS</topic><topic>MEXICO</topic><topic>MICROANALYSIS</topic><topic>MINERALS</topic><topic>NONDESTRUCTIVE ANALYSIS</topic><topic>NORTH AMERICA</topic><topic>OXYGEN COMPOUNDS</topic><topic>PARTITION</topic><topic>PETROCHEMISTRY</topic><topic>PETROGENESIS</topic><topic>PYROXENES</topic><topic>RARE EARTHS</topic><topic>RHYOLITES</topic><topic>ROCKS</topic><topic>SEPARATION PROCESSES</topic><topic>SILICATES</topic><topic>SILICON COMPOUNDS</topic><topic>USA</topic><topic>VOLCANIC ROCKS</topic><topic>WYOMING</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sisson, T.W.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Geochimica et cosmochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sisson, T.W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pyroxene-high silica rhyolite trace element partition coefficients measured by ion microprobe</atitle><jtitle>Geochimica et cosmochimica acta</jtitle><date>1991-06-01</date><risdate>1991</risdate><volume>55</volume><issue>6</issue><spage>1575</spage><epage>1585</epage><pages>1575-1585</pages><issn>0016-7037</issn><eissn>1872-9533</eissn><abstract>Pyroxene-liquid trace element partition coefficients have been measured
in situ by ion microprobe in high silica rhyolites. Partition coefficients are reported for La, Ce, Nd, Sm, Dy, Er, Yb, Sc, Ti, V, Cr, Sr, Y, and Zr. The
in situ analyses avoid the problem of contamination of the pyroxene phase by trace element-rich accessory mineral inclusions encountered in traditional bulk phenocryst-glass partitioning studies. Pyroxenes and glasses which have been analyzed are typical of high silica rhyolites worldwide. The samples analyzed are Bishop Tuff, California (augite, hypersthene); Sierra La Primavera, Mexico (ferrohedenbergite); and two samples of the Huckleberry Ridge Tuff, Wyoming (ferroaugite).
Rare earth element (REE) partition coefficient patterns are convex-upward and resemble patterns determined in less silicic bulk compositions. Partition coefficients for the REEs Sr, Zr, and Cr show correlations with the Mg# of clinopyroxene, suggesting that crystal composition influences the fine structure of partitioning patterns. The overall similarity of partitioning patterns between samples indicates that the partition coefficients determined in this study can be generally applied in the geochemical modeling of high silica rhyolites.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><doi>10.1016/0016-7037(91)90129-S</doi><tpages>11</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | 580000 - Geosciences CALIFORNIA CHEMICAL ANALYSIS CHEMICAL COMPOSITION CHEMISTRY DEVELOPED COUNTRIES DEVELOPING COUNTRIES ELEMENTS FEDERAL REGION VIII FRACTIONATION GEOCHEMISTRY GEOSCIENCES IGNEOUS ROCKS INCLUSIONS ION MICROPROBE ANALYSIS LATIN AMERICA MAGMATISM METALS MEXICO MICROANALYSIS MINERALS NONDESTRUCTIVE ANALYSIS NORTH AMERICA OXYGEN COMPOUNDS PARTITION PETROCHEMISTRY PETROGENESIS PYROXENES RARE EARTHS RHYOLITES ROCKS SEPARATION PROCESSES SILICATES SILICON COMPOUNDS USA VOLCANIC ROCKS WYOMING |
| title | Pyroxene-high silica rhyolite trace element partition coefficients measured by ion microprobe |
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