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Filtering by: Committee Member Graham, Dave Remove constraint Committee Member: Graham, Dave

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Volatile mobility of trace metals in volcanic systems

Creator:

Loewen, Matthew W.

Abstract:

Semi-volatile trace metals like Li, Cu, Mo, Sn, In, and Pb have the potential to track mobility of a volatile phase in volcanic systems. In this dissertation four studies are presented that either directly investigate or are motivated by observations of trace metal behavior in volcanic systems. A common tool...

Resource Type:

Dissertation
Hydrothermal activity along the northern Mid-Atlantic Ridge and in the Bransfield Strait backarc basin, Antarctica

Creator:

Chin, Carol Sue

Resource Type:

Dissertation
The petrology, geochemistry, and geochronology of hotspot seamounts in the North Pacific and arc/backarc volcanism on the northern Antarctic Peninsula

Creator:

Keller, Randall A.

Abstract:

Volcanic rocks from hotspots and island arcs/backarcs typically have enriched trace element and isotopic compositions that contain a contribution from subducted oceanic crust. Isotopic and trace element data suggest that the enriched components in hotspot volcanism are ancient subducted sediment and crust, and the enriched components in arc/backarc volcanism are...

Resource Type:

Dissertation
The influence of early diagenesis on trace element and molybdenum isotope geochemistry

Creator:

Poulson, Rebecca L.

Abstract:

This thesis investigates the influence of early diagenesis on trace metal and molybdenum isotope behavior in marine and lacustrine environments. Chapter one is a synthesis of previous research in all the marine environments investigated, providing an essential geochemical context for interpreting the observed behavior of Mo in these settings. Chapter...

Resource Type:

Dissertation
The role of subduction fluids in generating compositionally diverse basalts in the Cascadia subduction zone

Creator:

Rowe, Michael C.

Abstract:

The primary goal of this study is to assess the impact of a subduction component added to the mantle wedge beneath the Oregon Cascades to the composition and fO2 of primitive Cascade basalts. Olivine-hosted melt inclusions from compositionally diverse basalts across the Cascade arc (~100 km) are utilized in an...

Resource Type:

Dissertation

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Academic Affiliation

College of Oceanic and Atmospheric Sciences3
College of Earth, Ocean, and Atmospheric Sciences1
Geosciences1

Advisor

Fisk, Martin R.1
Kent, Adam J. R.1
Kent, Adam J.R.1
Klinkhammer, Gary P.1
Mcmanus, James1
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1996 to 2014

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Committee Member

Graham, Dave[remove]5
Grunder, Anita3
Christie, Dave1
Coblentz, Bruce1
Collier, Bob1
more Committee Members »

Creator

Chin, Carol Sue1
Keller, Randall A.1
Loewen, Matthew W.1
Poulson, Rebecca L.1
Rowe, Michael C.1

Date

Date range begin – Date range end

Current results range from 1996 to 2013

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Decade

2010-20191
2000-20092
1990-19992

Degree Field

Oceanography3
Geology2

Degree Level

Doctoral5

Degree Name

Doctor of Philosophy (Ph.D.)5

File Format

application/pdf1

Language

English [eng]5

License

All rights reserved3

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Dissertation5

Rights Statement

In Copyright3
Copyright Not Evaluated2

Subject

Trace elements2
Amphiboles1
Back-arc basins -- Antarctica1
Basalt -- Inclusions -- Cascade Range1
Basalt -- Inclusions -- Oregon1
more Subjects »

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