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Filtering by: Creator Lange, Amy E. Remove constraint Creator: Lange, Amy E. Creator Lange, Amy E. Remove constraint Creator: Lange, Amy E.

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LangeAmyCEOASPetrogenesisPlagioclase-Phyric.pdf

Creator:

Lange, Amy E., Nielsen, Roger L., Tepley, Frank J., III, and Kent, Adam J. R.

Abstract:

Plagioclase ultraphyric basalts (PUBs) have been sampled along most mid-ocean ridges with ultraslow to intermediate spreading rates. Over the past 40 years, the prevalent models for their origin assume positive buoyancy of plagioclase in basaltic liquids resulting in selective concentration of plagioclase phenocrysts by floatation. However, when the global population...
LangeAmyCEOASPetrogenesisPlagioclase-Phyric_SupportingInformation.zip

Creator:

Lange, Amy E., Nielsen, Roger L., Tepley, Frank J., III, and Kent, Adam J. R.

Abstract:

Plagioclase ultraphyric basalts (PUBs) have been sampled along most mid-ocean ridges with ultraslow to intermediate spreading rates. Over the past 40 years, the prevalent models for their origin assume positive buoyancy of plagioclase in basaltic liquids resulting in selective concentration of plagioclase phenocrysts by floatation. However, when the global population...
The petrogenesis of plagioclase-phyric basalts at mid-ocean ridges

Creator:

Lange, Amy E., Nielsen, Roger L., Tepley, Frank J., III, and Kent, Adam J. R.

Abstract:

Plagioclase ultraphyric basalts (PUBs) have been sampled along most mid-ocean ridges with ultraslow to intermediate spreading rates. Over the past 40 years, the prevalent models for their origin assume positive buoyancy of plagioclase in basaltic liquids resulting in selective concentration of plagioclase phenocrysts by floatation. However, when the global population...

Resource Type:

Article
Magmatic processes beneath mid-ocean ridges : insights from mineral and glass chemistry in plagioclase ultraphyric basalts

Creator:

Lange, Amy E.

Abstract:

Prior to eruption at mid-ocean ridges, melts must travel through >6 km of crust from their origin in the mantle. The final composition of the melts is dependent on both the melting conditions and magmatic processes within the crust. While mid-ocean ridge basalt (MORB) glasses are commonly used to infer...

Resource Type:

Dissertation

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Academic Affiliation

College of Earth, Ocean, and Atmospheric Sciences1

Advisor

Nielsen, Roger L.1

Commencement Year

20141

Committee Member

Graham, David W.1
Kent, Adam J. R.1
Tepley, Frank J. III1
Warnes, William1

Creator

Lange, Amy E.[remove]4
Kent, Adam J. R.3
Nielsen, Roger L.3
Tepley, Frank J., Iii3

Date

20132

Decade

2010-20192

Degree Field

Geology1

Degree Level

Doctoral1

Degree Name

Doctor of Philosophy (Ph.D.)1

Language

English [eng]2

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School1

Peer Reviewed

No1
Yes1

Resource Type

Article1
Dissertation1

Rights Statement

Copyright Not Evaluated3
In Copyright1

Subject

Basalt1
Magmatism1
Mid-ocean ridges1
Submarine geology1

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