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Filtering by: Academic Affiliation College of Earth, Ocean, and Atmospheric Sciences Creator Konrad, Kevin Non-Academic Affiliation Oregon State University. Graduate School

New Insights into Mantle Dynamics from Helium Isotopes and Argon Geochronology

Creator:

Konrad, Kevin

Abstract:

Earth’s mantle extends to nearly 3000 km depth, comprises >80 % of Earth’s total volume, and has the largest influence on the primordial and radiogenic heat budget. Despite its importance, the structure and composition of the mantle is still debated. There are three primary models for Earth’s mantle structure that...

Resource Type:

Dissertation
Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

Creator:

Konrad, Kevin

Abstract:

The Kane Oceanic Core Complex (OCC) is a valuable window into crustal architecture and chemical composition of the lithosphere beneath a slow-spreading ocean ridge. A suite of > 30 samples (comprised of whole rocks, mineral separates and basalt glasses) has been analyzed for ³He/⁴He isotope ratios and He concentrations. Gas...

Resource Type:

Masters Thesis

ScholarsArchive@OSU

New Insights into Mantle Dynamics from Helium Isotopes and Argon Geochronology

Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

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