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Filtering by: Creator Cowen, Robert Remove constraint Creator: Cowen, Robert Degree Field Oceanography Remove constraint Degree Field: Oceanography Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.)

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Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Creator:

Walczak, Paul S.

Abstract:

Marine sediments exceptionally rich in organic carbon, known as black shales, occur globally but intermittently in well correlated Cretaceous successions. The presence of black shales indicates that sporadic, ocean-wide interruption of normal respiration of marine organic matter during oxygen-deficient conditions has occurred. Submarine volcanism on a massive scale, related to...

Resource Type:

Masters Thesis

Full Text:

: _____________________________________________________________________ Robert A. Duncan Marine sediments exceptionally rich in organic carbon, known as
Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Creator:

Hsieh, Chih-Ting

Abstract:

The distribution of barite (BaSO₄) in marine sediments has long been studied as a proxy for paleoproductivity. While pure barite is known to be a stable mineral in oxic sediments, it is also known that variations in the Sr/Ba ratio influence its solubility and liability during early diagenesis. To extract...

Resource Type:

Masters Thesis

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consistent with previous findings that documented the existence of Sr-rich barite (Bertram and Cowen, 1997
An examination of the form and variability of manganese oxide in Columbia River suspended material

Creator:

Covert, Paul Allister

Abstract:

Suspended particulate matter (SPM) in the Columbia River is a mixture of particles of several origins having varying physical and biogeochemical properties. The relative abundances of these freshwater particles changes with season and apparently also with tide. Prior investigation has quantified seasonal variation of organic material in both the Columbia...

Resource Type:

Masters Thesis

Full Text:

Estuary. Water and suspended particulate material (SPM) samples were collected aboard the RV Robert
Modern and ancient marine rhythmites from the Sea of Cortez and California continental borderland : a sedimentological study

Creator:

Donegan, David P.

Resource Type:

Masters Thesis

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Academic Affiliation

College of Oceanic and Atmospheric Sciences3
School of Oceanography1

Advisor

Duncan, Robert A.1
Klinkhammer, Gary .1
Prahl, Fredrick G.1
Schrader, Hans J.1
Torres, Marta E.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1982 to 2010

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Committee Member

Collier, Robert W.1
Klinkhammer, Gary P.1
Michael, Lerner1
Prahl, Fred1

Creator

Covert, Paul Allister1
Donegan, David P.1
Hsieh, Chih Ting1
Walczak, Paul S.1

Date

Date range begin – Date range end

Current results range from 1981 to 2009

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Decade

2000-20093
1980-19891

Degree Field

Oceanography[remove]4

Degree Level

Master's4

Degree Name

Master of Science (M.S.)[remove]4

File Format

application/pdf1

Language

English [eng]4

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No3

Resource Type

Masters Thesis4

Rights Statement

In Copyright3
Copyright Not Evaluated1

Subject

Barite1
Columbia River1
Foraminifera, Fossil1
Manganese oxide -- Columbia River1
Marine productivity1
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