Pre‐eruption magma staging at the long‐lived intraplate Dunedin Volcano, New Zealand.

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Title: Pre‐eruption magma staging at the long‐lived intraplate Dunedin Volcano, New Zealand.
Authors: Baxter, Rachael J. M.1,2 (AUTHOR) rjmb3@cam.ac.uk, White, James D. L.2 (AUTHOR), Brenna, Marco2 (AUTHOR), Ohneiser, Christian2 (AUTHOR)
Source: Terra Nova. Jun2022, Vol. 34 Issue 3, p253-263. 11p.
Subjects: Volcanoes, Trachyte, Phonolite, Volcanism, Basalt
Geographic Terms: New Zealand
Abstract: The oldest‐known rocks of the eroded Dunedin Volcano (DV), New Zealand, active 16.0–11.0 Ma, were emplaced by penecontemporaneous explosive eruptions and intrusions of magmas with a remarkable range of compositions, including basanite, alkali basalt, trachyte and phonolite. The compositional diversity of magmas emplaced in rapid succession during the earliest development of the volcano signify the existence of a complex magmatic system and highly evolved magmas, typical of those attributed to mature magmatic systems; here it developed in concert with the volcano's surface eruptions. We infer that multiple deep and shallow reservoirs were suddenly tapped as volcanism commenced. DV repeatedly erupted the same range of magmas over 5 Myr, suggests that these distributed reservoirs failed to significantly integrate through millions of years of slow volcano growth. [ABSTRACT FROM AUTHOR]
Copyright of Terra Nova is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Pre‐eruption magma staging at the long‐lived intraplate Dunedin Volcano, New Zealand.
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  Data: <searchLink fieldCode="JN" term="%22Terra+Nova%22">Terra Nova</searchLink>. Jun2022, Vol. 34 Issue 3, p253-263. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Volcanoes%22">Volcanoes</searchLink><br /><searchLink fieldCode="DE" term="%22Trachyte%22">Trachyte</searchLink><br /><searchLink fieldCode="DE" term="%22Phonolite%22">Phonolite</searchLink><br /><searchLink fieldCode="DE" term="%22Volcanism%22">Volcanism</searchLink><br /><searchLink fieldCode="DE" term="%22Basalt%22">Basalt</searchLink>
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  Data: The oldest‐known rocks of the eroded Dunedin Volcano (DV), New Zealand, active 16.0–11.0 Ma, were emplaced by penecontemporaneous explosive eruptions and intrusions of magmas with a remarkable range of compositions, including basanite, alkali basalt, trachyte and phonolite. The compositional diversity of magmas emplaced in rapid succession during the earliest development of the volcano signify the existence of a complex magmatic system and highly evolved magmas, typical of those attributed to mature magmatic systems; here it developed in concert with the volcano's surface eruptions. We infer that multiple deep and shallow reservoirs were suddenly tapped as volcanism commenced. DV repeatedly erupted the same range of magmas over 5 Myr, suggests that these distributed reservoirs failed to significantly integrate through millions of years of slow volcano growth. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Terra Nova is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/ter.12585
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 253
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      – SubjectFull: Volcanoes
        Type: general
      – SubjectFull: Trachyte
        Type: general
      – SubjectFull: Phonolite
        Type: general
      – SubjectFull: Volcanism
        Type: general
      – SubjectFull: Basalt
        Type: general
      – SubjectFull: New Zealand
        Type: general
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      – TitleFull: Pre‐eruption magma staging at the long‐lived intraplate Dunedin Volcano, New Zealand.
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            NameFull: Baxter, Rachael J. M.
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            NameFull: White, James D. L.
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            NameFull: Brenna, Marco
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            – D: 01
              M: 06
              Text: Jun2022
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              Y: 2022
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