High-pressure phase equilibria of a high-magnesia basalt and the genesis of primary oceanic basalts
High-P phase equilibria studies on a high-MgO basalt from the Tortuga ophiolite complex indicate that olivine + orthopyroxene + clinopyroxene + garnet are its liquidus phases at 25 kbar. The data are combined with results obtained on other tholeiitic basalt compositions, and are used to construct ps...
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| Veröffentlicht in: | The American mineralogist 1984-02, Vol.69 (1-2), p.1-15 |
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| container_title | The American mineralogist |
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| creator | Elthon, Don Scarfe, Christopher M |
| description | High-P phase equilibria studies on a high-MgO basalt from the Tortuga ophiolite complex indicate that olivine + orthopyroxene + clinopyroxene + garnet are its liquidus phases at 25 kbar. The data are combined with results obtained on other tholeiitic basalt compositions, and are used to construct pseudoliquidus phase diagrams for evaluating and predicting the nature of primary magmas and melting of the mantle at high P. |
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The data are combined with results obtained on other tholeiitic basalt compositions, and are used to construct pseudoliquidus phase diagrams for evaluating and predicting the nature of primary magmas and melting of the mantle at high P.</description><identifier>ISSN: 0003-004X</identifier><identifier>EISSN: 1945-3027</identifier><language>eng</language><publisher>Mineralogical Society of America</publisher><subject>Baffin Bay ; basalts ; Betts Cove Ophiolite ; Canada ; chain silicates ; clinopyroxene ; composition ; crust ; Eastern Canada ; feldspar group ; framework silicates ; garnet ; Gorgona Island ; high pressure ; igneous and metamorphic rocks ; igneous rocks ; Lewis Hills Ophiolite ; magmas ; mantle ; nesosilicates ; Northwest Territories ; olivine ; olivine group ; Ordovician ; orthopyroxene ; orthosilicates ; oxides ; Paleozoic ; petrology ; phase equilibria ; plagioclase ; pressure ; pyroxene group ; Quebec ; silicates ; spinel ; Tortuga Ophiolite ; Ungava ; volcanic rocks ; Western Canada</subject><ispartof>The American mineralogist, 1984-02, Vol.69 (1-2), p.1-15</ispartof><rights>GeoRef, Copyright 2020, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom @Twickenham @GBR @United Kingdom</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785</link.rule.ids></links><search><creatorcontrib>Elthon, Don</creatorcontrib><creatorcontrib>Scarfe, Christopher M</creatorcontrib><title>High-pressure phase equilibria of a high-magnesia basalt and the genesis of primary oceanic basalts</title><title>The American mineralogist</title><description>High-P phase equilibria studies on a high-MgO basalt from the Tortuga ophiolite complex indicate that olivine + orthopyroxene + clinopyroxene + garnet are its liquidus phases at 25 kbar. The data are combined with results obtained on other tholeiitic basalt compositions, and are used to construct pseudoliquidus phase diagrams for evaluating and predicting the nature of primary magmas and melting of the mantle at high P.</description><subject>Baffin Bay</subject><subject>basalts</subject><subject>Betts Cove Ophiolite</subject><subject>Canada</subject><subject>chain silicates</subject><subject>clinopyroxene</subject><subject>composition</subject><subject>crust</subject><subject>Eastern Canada</subject><subject>feldspar group</subject><subject>framework silicates</subject><subject>garnet</subject><subject>Gorgona Island</subject><subject>high pressure</subject><subject>igneous and metamorphic rocks</subject><subject>igneous rocks</subject><subject>Lewis Hills Ophiolite</subject><subject>magmas</subject><subject>mantle</subject><subject>nesosilicates</subject><subject>Northwest Territories</subject><subject>olivine</subject><subject>olivine group</subject><subject>Ordovician</subject><subject>orthopyroxene</subject><subject>orthosilicates</subject><subject>oxides</subject><subject>Paleozoic</subject><subject>petrology</subject><subject>phase equilibria</subject><subject>plagioclase</subject><subject>pressure</subject><subject>pyroxene group</subject><subject>Quebec</subject><subject>silicates</subject><subject>spinel</subject><subject>Tortuga Ophiolite</subject><subject>Ungava</subject><subject>volcanic rocks</subject><subject>Western Canada</subject><issn>0003-004X</issn><issn>1945-3027</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotkE1LxDAYhIMoWFf_Q-4SyGebHGVRV1jwouCtvE3ftlm6bU1axH9vi8scBoaHGZgrkgmnDVNcFtck45wrxrn-uiV3KZ04l1IZlxF_CG3HpogpLRHp1EFCit9L6EMVA9CxoUC7jTlDO2BaowoS9DOFoaZzh7TFLU4bOcVwhvhLR48wBH8h0z25aaBP-HDxHfl8ef7YH9jx_fVt_3RkIIWcmRCVh9rVzhaV0YVA00hlEU2uvdHGWm6NyCWvHdeiQCEabzWuvFoFSqgdefzvbXFMPuDg8WeMfV2exiUO63IpnM1Lvv0i1R-SPVUd</recordid><startdate>198402</startdate><enddate>198402</enddate><creator>Elthon, Don</creator><creator>Scarfe, Christopher M</creator><general>Mineralogical Society of America</general><scope/></search><sort><creationdate>198402</creationdate><title>High-pressure phase equilibria of a high-magnesia basalt and the genesis of primary oceanic basalts</title><author>Elthon, Don ; Scarfe, Christopher M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a212t-11bcad9d987b5471e5f238ee564c545880851620d90417e11fc84e9d93939a313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Baffin Bay</topic><topic>basalts</topic><topic>Betts Cove Ophiolite</topic><topic>Canada</topic><topic>chain silicates</topic><topic>clinopyroxene</topic><topic>composition</topic><topic>crust</topic><topic>Eastern Canada</topic><topic>feldspar group</topic><topic>framework silicates</topic><topic>garnet</topic><topic>Gorgona Island</topic><topic>high pressure</topic><topic>igneous and metamorphic rocks</topic><topic>igneous rocks</topic><topic>Lewis Hills Ophiolite</topic><topic>magmas</topic><topic>mantle</topic><topic>nesosilicates</topic><topic>Northwest Territories</topic><topic>olivine</topic><topic>olivine group</topic><topic>Ordovician</topic><topic>orthopyroxene</topic><topic>orthosilicates</topic><topic>oxides</topic><topic>Paleozoic</topic><topic>petrology</topic><topic>phase equilibria</topic><topic>plagioclase</topic><topic>pressure</topic><topic>pyroxene group</topic><topic>Quebec</topic><topic>silicates</topic><topic>spinel</topic><topic>Tortuga Ophiolite</topic><topic>Ungava</topic><topic>volcanic rocks</topic><topic>Western Canada</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Elthon, Don</creatorcontrib><creatorcontrib>Scarfe, Christopher M</creatorcontrib><jtitle>The American mineralogist</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Elthon, Don</au><au>Scarfe, Christopher M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-pressure phase equilibria of a high-magnesia basalt and the genesis of primary oceanic basalts</atitle><jtitle>The American mineralogist</jtitle><date>1984-02</date><risdate>1984</risdate><volume>69</volume><issue>1-2</issue><spage>1</spage><epage>15</epage><pages>1-15</pages><issn>0003-004X</issn><eissn>1945-3027</eissn><abstract>High-P phase equilibria studies on a high-MgO basalt from the Tortuga ophiolite complex indicate that olivine + orthopyroxene + clinopyroxene + garnet are its liquidus phases at 25 kbar. The data are combined with results obtained on other tholeiitic basalt compositions, and are used to construct pseudoliquidus phase diagrams for evaluating and predicting the nature of primary magmas and melting of the mantle at high P.</abstract><pub>Mineralogical Society of America</pub><tpages>15</tpages></addata></record> |
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| identifier | ISSN: 0003-004X |
| ispartof | The American mineralogist, 1984-02, Vol.69 (1-2), p.1-15 |
| issn | 0003-004X 1945-3027 |
| language | eng |
| recordid | cdi_geoscienceworld_journals_1986_019452 |
| source | EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | Baffin Bay basalts Betts Cove Ophiolite Canada chain silicates clinopyroxene composition crust Eastern Canada feldspar group framework silicates garnet Gorgona Island high pressure igneous and metamorphic rocks igneous rocks Lewis Hills Ophiolite magmas mantle nesosilicates Northwest Territories olivine olivine group Ordovician orthopyroxene orthosilicates oxides Paleozoic petrology phase equilibria plagioclase pressure pyroxene group Quebec silicates spinel Tortuga Ophiolite Ungava volcanic rocks Western Canada |
| title | High-pressure phase equilibria of a high-magnesia basalt and the genesis of primary oceanic basalts |
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