Browsing Geological Sciences Theses and Dissertations by Author "Reed, Mark"

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Ash Sintering in the Presence of a CO2-H2O Vapor

Hoxsie, Erin (University of Oregon, 2018-09-06)

We carried out rhyolite ash sintering experiments in the presence of a mixed CO2-H2O vapor using both fine and coarse ash. Fine ash is barely sintered after 7 minutes and fully densified after about 30 minutes. Coarse ash ...
Geothermal Fluid Equilibrium Modeling: Comparison of Wellhead Fluid Samples to Deep Samples in the Reykjanes System, Iceland

Seward, Ryan (University of Oregon, 2014-06-17)

Single phase geothermal fluids sampled in 2007 from 1500m depth in Well RN-12 of the Reykjanes geothermal system in Iceland show large differences in dissolved copper, zinc and iron concentrations when compared with fluid ...
Potential Impacts of Formation Waters on the Integrity of Class H Cement and Reservoir Rock in Carbon (Co-)Sequestration Settings

Verba, Circe (University of Oregon, 2013-10-03)

The focus of this research is to characterize the risk of carbon sequestration under downhole conditions with regards to wellbore cement integrity. The primary research objective was to understand the geochemical interactions ...
Titanium in quartz during growth and deformation under hydrothermal-magmatic conditions

Acosta, Marisa (University of Oregon, 2020-12-08)

DISSERTATION ABSTRACT Marisa Dawn Acosta Doctor of Philosophy Department of Earth Sciences September 2020 Title: Titanium in quartz during growth and deformation under hydrothermal-magmatic conditions Titanium in ...

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