Glass spherules from Antarctica blue ice and deep-sea sediment of the Central Indian Ocean Basin
We report the chemical composition of 176 glass spherules obtained from Antarctica blue ice and deep-sea sediments from the Central Indian Ocean Basin. This study compares the chemistry of glass spherules collected from various reservoirs, thereby allowing us to look into possible bias and efficienc...
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| Veröffentlicht in: | Journal of Earth System Science 2021-06, Vol.130 (2), p.100, Article 100 |
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| creator | Fernandes, D Rudraswami, N G Pandey, M Kotha, M |
| description | We report the chemical composition of 176 glass spherules obtained from Antarctica blue ice and deep-sea sediments from the Central Indian Ocean Basin. This study compares the chemistry of glass spherules collected from various reservoirs, thereby allowing us to look into possible bias and efficiency of different collection techniques. Glass spherules have experienced extreme heating among the S-type cosmic spherules, and have suffered significant ablative elemental loss for which their precursors remain ambiguous. The previous model calculation for the glass spherules indicates chemical changes due to atmospheric entry. In addition, the earlier heating experiment results for the glass spherules show some insight into their formation processes. We report Ca–Al glass spherules that have high CaO+Al
2
O
3
>9 wt% indicating larger particles with excessive evaporation of moderately volatiles (Fe, Si, Mg) resulting in refractory (Ca, Al) enriched glass or equilibration of minor Ca and Al phases in glass. Glass spherules from Antarctica and deep-sea are morphologically distinct and happen to have ablated most of their elemental Fe during atmospheric entry, however despite it, their bulk chemical composition and atomic ratios indicate to have a broad correspondence with carbonaceous chondrites, thereby, preserving the precursor properties. |
| doi_str_mv | 10.1007/s12040-021-01590-6 |
| format | Article |
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2
O
3
>9 wt% indicating larger particles with excessive evaporation of moderately volatiles (Fe, Si, Mg) resulting in refractory (Ca, Al) enriched glass or equilibration of minor Ca and Al phases in glass. Glass spherules from Antarctica and deep-sea are morphologically distinct and happen to have ablated most of their elemental Fe during atmospheric entry, however despite it, their bulk chemical composition and atomic ratios indicate to have a broad correspondence with carbonaceous chondrites, thereby, preserving the precursor properties.</description><identifier>ISSN: 2347-4327</identifier><identifier>ISSN: 0253-4126</identifier><identifier>EISSN: 0973-774X</identifier><identifier>DOI: 10.1007/s12040-021-01590-6</identifier><language>eng</language><publisher>New Delhi: Springer India</publisher><subject>Ablation ; Aluminum oxide ; Asteroids ; Atmospheric entry ; Blue ice ; Calcium ; Carbonaceous chondrites ; Chemical composition ; Chondrites ; Cosmic spherules ; Deep sea ; Deep sea environments ; Deep sea sediments ; Deep water ; Dust ; Earth and Environmental Science ; Earth Sciences ; Evaporation ; Extreme high temperatures ; Glass ; Heating ; Iron ; Magnesium ; Morphology ; Ocean basins ; Oceans ; Precursors ; Sediment ; Sediments ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Spherules ; Volatile compounds ; Volatiles</subject><ispartof>Journal of Earth System Science, 2021-06, Vol.130 (2), p.100, Article 100</ispartof><rights>Indian Academy of Sciences 2021</rights><rights>Indian Academy of Sciences 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2346-ca4fe4fb871dbf3469773759cf930c42b5a23197cea97b17491c0f20d45297f3</citedby><cites>FETCH-LOGICAL-c2346-ca4fe4fb871dbf3469773759cf930c42b5a23197cea97b17491c0f20d45297f3</cites><orcidid>0000-0002-6857-7901</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12040-021-01590-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12040-021-01590-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Fernandes, D</creatorcontrib><creatorcontrib>Rudraswami, N G</creatorcontrib><creatorcontrib>Pandey, M</creatorcontrib><creatorcontrib>Kotha, M</creatorcontrib><title>Glass spherules from Antarctica blue ice and deep-sea sediment of the Central Indian Ocean Basin</title><title>Journal of Earth System Science</title><addtitle>J Earth Syst Sci</addtitle><description>We report the chemical composition of 176 glass spherules obtained from Antarctica blue ice and deep-sea sediments from the Central Indian Ocean Basin. This study compares the chemistry of glass spherules collected from various reservoirs, thereby allowing us to look into possible bias and efficiency of different collection techniques. Glass spherules have experienced extreme heating among the S-type cosmic spherules, and have suffered significant ablative elemental loss for which their precursors remain ambiguous. The previous model calculation for the glass spherules indicates chemical changes due to atmospheric entry. In addition, the earlier heating experiment results for the glass spherules show some insight into their formation processes. We report Ca–Al glass spherules that have high CaO+Al
2
O
3
>9 wt% indicating larger particles with excessive evaporation of moderately volatiles (Fe, Si, Mg) resulting in refractory (Ca, Al) enriched glass or equilibration of minor Ca and Al phases in glass. Glass spherules from Antarctica and deep-sea are morphologically distinct and happen to have ablated most of their elemental Fe during atmospheric entry, however despite it, their bulk chemical composition and atomic ratios indicate to have a broad correspondence with carbonaceous chondrites, thereby, preserving the precursor properties.</description><subject>Ablation</subject><subject>Aluminum oxide</subject><subject>Asteroids</subject><subject>Atmospheric entry</subject><subject>Blue ice</subject><subject>Calcium</subject><subject>Carbonaceous chondrites</subject><subject>Chemical composition</subject><subject>Chondrites</subject><subject>Cosmic spherules</subject><subject>Deep sea</subject><subject>Deep sea environments</subject><subject>Deep sea sediments</subject><subject>Deep water</subject><subject>Dust</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Evaporation</subject><subject>Extreme high temperatures</subject><subject>Glass</subject><subject>Heating</subject><subject>Iron</subject><subject>Magnesium</subject><subject>Morphology</subject><subject>Ocean basins</subject><subject>Oceans</subject><subject>Precursors</subject><subject>Sediment</subject><subject>Sediments</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Spherules</subject><subject>Volatile compounds</subject><subject>Volatiles</subject><issn>2347-4327</issn><issn>0253-4126</issn><issn>0973-774X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kD9PwzAQxS0EEqXwBZgsMRvOfxLXY6mgVKrUpQObcRybpkqdYCcD3x5DkNhY7k6n996dfgjdUrinAPIhUQYCCDBKgBYKSHmGZqAkJ1KK13M0Y1xIIjiTl-gqpSMALxdSzdDbujUp4dQfXBxbl7CP3Qkvw2CiHRprcNWODjfWYRNqXDvXk-QMTq5uTi4MuPN4ODi8ynM0Ld6EujEB76zL9dGkJlyjC2_a5G5--xztn5_2qxey3a03q-WW2PxaSawR3glfLSStK583SkouC2W94mAFqwrDOFUyBytZUSkUteAZ1KJgSno-R3dTbB-7j9GlQR-7MYZ8UTPFAOiiFJBVbFLZ2KUUndd9bE4mfmoK-huknkDqDFL_gNRlNvHJlLI4vLv4F_2P6wvhUnT0</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Fernandes, D</creator><creator>Rudraswami, N G</creator><creator>Pandey, M</creator><creator>Kotha, M</creator><general>Springer India</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</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>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0002-6857-7901</orcidid></search><sort><creationdate>20210601</creationdate><title>Glass spherules from Antarctica blue ice and deep-sea sediment of the Central Indian Ocean Basin</title><author>Fernandes, D ; Rudraswami, N G ; Pandey, M ; Kotha, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2346-ca4fe4fb871dbf3469773759cf930c42b5a23197cea97b17491c0f20d45297f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Ablation</topic><topic>Aluminum oxide</topic><topic>Asteroids</topic><topic>Atmospheric entry</topic><topic>Blue ice</topic><topic>Calcium</topic><topic>Carbonaceous chondrites</topic><topic>Chemical composition</topic><topic>Chondrites</topic><topic>Cosmic spherules</topic><topic>Deep sea</topic><topic>Deep sea environments</topic><topic>Deep sea sediments</topic><topic>Deep water</topic><topic>Dust</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Evaporation</topic><topic>Extreme high temperatures</topic><topic>Glass</topic><topic>Heating</topic><topic>Iron</topic><topic>Magnesium</topic><topic>Morphology</topic><topic>Ocean basins</topic><topic>Oceans</topic><topic>Precursors</topic><topic>Sediment</topic><topic>Sediments</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Spherules</topic><topic>Volatile compounds</topic><topic>Volatiles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fernandes, D</creatorcontrib><creatorcontrib>Rudraswami, N G</creatorcontrib><creatorcontrib>Pandey, M</creatorcontrib><creatorcontrib>Kotha, M</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources 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>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</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>Environmental 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>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Journal of Earth System Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fernandes, D</au><au>Rudraswami, N G</au><au>Pandey, M</au><au>Kotha, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Glass spherules from Antarctica blue ice and deep-sea sediment of the Central Indian Ocean Basin</atitle><jtitle>Journal of Earth System Science</jtitle><stitle>J Earth Syst Sci</stitle><date>2021-06-01</date><risdate>2021</risdate><volume>130</volume><issue>2</issue><spage>100</spage><pages>100-</pages><artnum>100</artnum><issn>2347-4327</issn><issn>0253-4126</issn><eissn>0973-774X</eissn><abstract>We report the chemical composition of 176 glass spherules obtained from Antarctica blue ice and deep-sea sediments from the Central Indian Ocean Basin. This study compares the chemistry of glass spherules collected from various reservoirs, thereby allowing us to look into possible bias and efficiency of different collection techniques. Glass spherules have experienced extreme heating among the S-type cosmic spherules, and have suffered significant ablative elemental loss for which their precursors remain ambiguous. The previous model calculation for the glass spherules indicates chemical changes due to atmospheric entry. In addition, the earlier heating experiment results for the glass spherules show some insight into their formation processes. We report Ca–Al glass spherules that have high CaO+Al
2
O
3
>9 wt% indicating larger particles with excessive evaporation of moderately volatiles (Fe, Si, Mg) resulting in refractory (Ca, Al) enriched glass or equilibration of minor Ca and Al phases in glass. Glass spherules from Antarctica and deep-sea are morphologically distinct and happen to have ablated most of their elemental Fe during atmospheric entry, however despite it, their bulk chemical composition and atomic ratios indicate to have a broad correspondence with carbonaceous chondrites, thereby, preserving the precursor properties.</abstract><cop>New Delhi</cop><pub>Springer India</pub><doi>10.1007/s12040-021-01590-6</doi><orcidid>https://orcid.org/0000-0002-6857-7901</orcidid></addata></record> |
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| ispartof | Journal of Earth System Science, 2021-06, Vol.130 (2), p.100, Article 100 |
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| source | Indian Academy of Sciences; EZB-FREE-00999 freely available EZB journals; SpringerLink Journals - AutoHoldings |
| subjects | Ablation Aluminum oxide Asteroids Atmospheric entry Blue ice Calcium Carbonaceous chondrites Chemical composition Chondrites Cosmic spherules Deep sea Deep sea environments Deep sea sediments Deep water Dust Earth and Environmental Science Earth Sciences Evaporation Extreme high temperatures Glass Heating Iron Magnesium Morphology Ocean basins Oceans Precursors Sediment Sediments Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Spherules Volatile compounds Volatiles |
| title | Glass spherules from Antarctica blue ice and deep-sea sediment of the Central Indian Ocean Basin |
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