| Reference Type | Journal (article/letter/editorial) |
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| Title | Crystallization from stratified magmas in the Honningsvåg Intrusive Suite, northern norway: a reappraisal |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Tegner, Christian | Author |
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| Robins, Brian | Author |
| Sørensen, Henning S. | Author |
| Year | 1996 (February) | Volume | 60 |
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| Issue | 398 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_60/60-398-41.pdf+ |
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| DOI | doi:10.1180/minmag.1996.060.398.04Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6 | Long-form Identifier | mindat:1:5:6:8 |
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| GUID | 0 |
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| Full Reference | Tegner, Christian, Robins, Brian, Sørensen, Henning S. (1996) Crystallization from stratified magmas in the Honningsvåg Intrusive Suite, northern norway: a reappraisal. Mineralogical Magazine, 60 (398) 41-51 doi:10.1180/minmag.1996.060.398.04 |
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| Plain Text | Tegner, Christian, Robins, Brian, Sørensen, Henning S. (1996) Crystallization from stratified magmas in the Honningsvåg Intrusive Suite, northern norway: a reappraisal. Mineralogical Magazine, 60 (398) 41-51 doi:10.1180/minmag.1996.060.398.04 |
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| In | (1996, February) Mineralogical Magazine Vol. 60 (398) Mineralogical Society |
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| Abstract/Notes | AbstractWedge-shaped layers of ultramafic and mafic cumulates in Intrusion II of the Caledonian Honningsvåg Intrusive Suite suggest crystallization on an inclined magma chamber floor from a compositionally-zoned and density-stratified magma.Cyclic unit 8 (140–100 m thick) consists of a distally-thinning olivine gabbro (denoted paoC) macrolayer overlain by a distally-thickening gabbronorite, pahC. New mineral data in four traverses across cyclic unit 8 show systematic compositional changes; the Mg# of the mafic phases decreases upwards through the unit and distally, both along the base and along the paoC/pahC interface.A crystallization model based on an effectively continuously-zoned magma chamber with numerous, relatively thin, double-diffusive magma layers is proposed. Differential migration of horizontal isopleths (e.g. Mg# and aSiO2) in response to fractional crystallization and assimilation of country rock can explain the variations in the Mg# of the cumulates. |
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