Forbidden mineral assemblage coesite‐disordered graphite in diamond‐bearing kyanite gneisses (Kokchetav Massif)
Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure‐high temperatu...
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| creator | Shchepetova, Olga V. Korsakov, Andrey Mikhailenko, Denis Zelenovskiy, Pavel Shur, Vladimir Ohfuji, Hiroaki |
| description | Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure‐high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy. Raman imaging of the forbidden coesite‐disordered graphite assemblage fails to detect bands assigned to fluid components (e.g. CO2, N2, CH4, H2Oliq), but the Raman spectra of fluid inclusions in kyanite, garnet and quartz demonstrate the presence of CO2, N2, CH4, H2Oliq and disordered graphite. The disordered graphite most likely formed by precipitation from a C―O―H fluid during the retrograde stage. The fluid was entrapped by kyanite with coesite inclusions near the peak metamorphic conditions. The lack of disordered graphite around diamond crystals in our samples does not support the generally accepted origin of disordered graphite in ultra high pressure metamorphic rocks by partial diamond graphitization during exhumation. Copyright © 2017 John Wiley & Sons, Ltd.
Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure ‐ high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy. |
| doi_str_mv | 10.1002/jrs.5167 |
| format | Article |
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Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure ‐ high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy.</description><identifier>ISSN: 0377-0486</identifier><identifier>EISSN: 1097-4555</identifier><identifier>DOI: 10.1002/jrs.5167</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><subject>Carbon dioxide ; Coesite ; Crystals ; diamond ; Diamonds ; disordered graphite ; Fluid inclusions ; Graphite ; Graphitization ; High pressure ; High temperature ; Isotopes ; Kyanite ; Metamorphic rocks ; Methane ; Pressure ; Raman imaging ; Raman spectra ; Raman spectroscopy ; Silicon dioxide ; Spectroscopy ; Spectrum analysis ; UHP‐HT metamorphism ; Ultrahigh temperature</subject><ispartof>Journal of Raman spectroscopy, 2017-11, Vol.48 (11), p.1606-1612</ispartof><rights>Copyright © 2017 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3967-a00d4a14f9344beac1040e3f4efc79e1432bde27c35934b51baf2717e57647383</citedby><cites>FETCH-LOGICAL-c3967-a00d4a14f9344beac1040e3f4efc79e1432bde27c35934b51baf2717e57647383</cites><orcidid>0000-0003-3895-4785 ; 0000-0002-5695-292X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjrs.5167$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjrs.5167$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids></links><search><creatorcontrib>Shchepetova, Olga V.</creatorcontrib><creatorcontrib>Korsakov, Andrey</creatorcontrib><creatorcontrib>Mikhailenko, Denis</creatorcontrib><creatorcontrib>Zelenovskiy, Pavel</creatorcontrib><creatorcontrib>Shur, Vladimir</creatorcontrib><creatorcontrib>Ohfuji, Hiroaki</creatorcontrib><title>Forbidden mineral assemblage coesite‐disordered graphite in diamond‐bearing kyanite gneisses (Kokchetav Massif)</title><title>Journal of Raman spectroscopy</title><description>Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure‐high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy. Raman imaging of the forbidden coesite‐disordered graphite assemblage fails to detect bands assigned to fluid components (e.g. CO2, N2, CH4, H2Oliq), but the Raman spectra of fluid inclusions in kyanite, garnet and quartz demonstrate the presence of CO2, N2, CH4, H2Oliq and disordered graphite. The disordered graphite most likely formed by precipitation from a C―O―H fluid during the retrograde stage. The fluid was entrapped by kyanite with coesite inclusions near the peak metamorphic conditions. The lack of disordered graphite around diamond crystals in our samples does not support the generally accepted origin of disordered graphite in ultra high pressure metamorphic rocks by partial diamond graphitization during exhumation. Copyright © 2017 John Wiley & Sons, Ltd.
Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure ‐ high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy.</description><subject>Carbon dioxide</subject><subject>Coesite</subject><subject>Crystals</subject><subject>diamond</subject><subject>Diamonds</subject><subject>disordered graphite</subject><subject>Fluid inclusions</subject><subject>Graphite</subject><subject>Graphitization</subject><subject>High pressure</subject><subject>High temperature</subject><subject>Isotopes</subject><subject>Kyanite</subject><subject>Metamorphic rocks</subject><subject>Methane</subject><subject>Pressure</subject><subject>Raman imaging</subject><subject>Raman spectra</subject><subject>Raman spectroscopy</subject><subject>Silicon dioxide</subject><subject>Spectroscopy</subject><subject>Spectrum analysis</subject><subject>UHP‐HT metamorphism</subject><subject>Ultrahigh temperature</subject><issn>0377-0486</issn><issn>1097-4555</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp10EtOwzAQBmALgUQpSBzBEpuySLFjJ26WqKK8ipB4rC0nnqRuE7vYLag7jsAZOQkuZctqpJlP_0g_QqeUDCkh6cXch2FGc7GHepQUIuFZlu2jHmFCJISP8kN0FMKcEFIUOe2hMHG-NFqDxZ2x4FWLVQjQla1qAFcOglnB9-eXNsF5DR40brxazuIWG4u1UZ2zOoISlDe2wYuNsttjY8HEoIAH925RzWCl3vFDjDb1-TE6qFUb4ORv9tHr5OplfJNMH69vx5fTpGJFLhJFiOaK8rpgnMf4ihJOgNUc6koUQDlLSw2pqFgWRZnRUtWpoAIykXPBRqyPzna5S-_e1hBWcu7W3saXksYHgtKiEFENdqryLgQPtVx60ym_kZTIbaUyViq3lUaa7OiHaWHzr5N3T8-__gcUD3se</recordid><startdate>201711</startdate><enddate>201711</enddate><creator>Shchepetova, Olga V.</creator><creator>Korsakov, Andrey</creator><creator>Mikhailenko, Denis</creator><creator>Zelenovskiy, Pavel</creator><creator>Shur, Vladimir</creator><creator>Ohfuji, Hiroaki</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0003-3895-4785</orcidid><orcidid>https://orcid.org/0000-0002-5695-292X</orcidid></search><sort><creationdate>201711</creationdate><title>Forbidden mineral assemblage coesite‐disordered graphite in diamond‐bearing kyanite gneisses (Kokchetav Massif)</title><author>Shchepetova, Olga V. ; Korsakov, Andrey ; Mikhailenko, Denis ; Zelenovskiy, Pavel ; Shur, Vladimir ; Ohfuji, Hiroaki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3967-a00d4a14f9344beac1040e3f4efc79e1432bde27c35934b51baf2717e57647383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carbon dioxide</topic><topic>Coesite</topic><topic>Crystals</topic><topic>diamond</topic><topic>Diamonds</topic><topic>disordered graphite</topic><topic>Fluid inclusions</topic><topic>Graphite</topic><topic>Graphitization</topic><topic>High pressure</topic><topic>High temperature</topic><topic>Isotopes</topic><topic>Kyanite</topic><topic>Metamorphic rocks</topic><topic>Methane</topic><topic>Pressure</topic><topic>Raman imaging</topic><topic>Raman spectra</topic><topic>Raman spectroscopy</topic><topic>Silicon dioxide</topic><topic>Spectroscopy</topic><topic>Spectrum analysis</topic><topic>UHP‐HT metamorphism</topic><topic>Ultrahigh temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shchepetova, Olga V.</creatorcontrib><creatorcontrib>Korsakov, Andrey</creatorcontrib><creatorcontrib>Mikhailenko, Denis</creatorcontrib><creatorcontrib>Zelenovskiy, Pavel</creatorcontrib><creatorcontrib>Shur, Vladimir</creatorcontrib><creatorcontrib>Ohfuji, Hiroaki</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Journal of Raman spectroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shchepetova, Olga V.</au><au>Korsakov, Andrey</au><au>Mikhailenko, Denis</au><au>Zelenovskiy, Pavel</au><au>Shur, Vladimir</au><au>Ohfuji, Hiroaki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Forbidden mineral assemblage coesite‐disordered graphite in diamond‐bearing kyanite gneisses (Kokchetav Massif)</atitle><jtitle>Journal of Raman spectroscopy</jtitle><date>2017-11</date><risdate>2017</risdate><volume>48</volume><issue>11</issue><spage>1606</spage><epage>1612</epage><pages>1606-1612</pages><issn>0377-0486</issn><eissn>1097-4555</eissn><abstract>Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure‐high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy. Raman imaging of the forbidden coesite‐disordered graphite assemblage fails to detect bands assigned to fluid components (e.g. CO2, N2, CH4, H2Oliq), but the Raman spectra of fluid inclusions in kyanite, garnet and quartz demonstrate the presence of CO2, N2, CH4, H2Oliq and disordered graphite. The disordered graphite most likely formed by precipitation from a C―O―H fluid during the retrograde stage. The fluid was entrapped by kyanite with coesite inclusions near the peak metamorphic conditions. The lack of disordered graphite around diamond crystals in our samples does not support the generally accepted origin of disordered graphite in ultra high pressure metamorphic rocks by partial diamond graphitization during exhumation. Copyright © 2017 John Wiley & Sons, Ltd.
Confocal 2D and 3D Raman imaging was applied to SiO2 inclusions in kyanite porphyroblasts from diamond‐bearing kyanite gneisses of the Kokchetav Massif (Northern Kazakhstan). The study reveals a mineral assemblage of coesite‐disordered graphite which is forbidden in ultrahigh pressure ‐ high temperature (UHP‐HT) metamorphic complexes. Disordered graphite in coesite inclusions is optically undetectable and has been identified exclusively by Raman spectroscopy.</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/jrs.5167</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-3895-4785</orcidid><orcidid>https://orcid.org/0000-0002-5695-292X</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Carbon dioxide Coesite Crystals diamond Diamonds disordered graphite Fluid inclusions Graphite Graphitization High pressure High temperature Isotopes Kyanite Metamorphic rocks Methane Pressure Raman imaging Raman spectra Raman spectroscopy Silicon dioxide Spectroscopy Spectrum analysis UHP‐HT metamorphism Ultrahigh temperature |
| title | Forbidden mineral assemblage coesite‐disordered graphite in diamond‐bearing kyanite gneisses (Kokchetav Massif) |
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