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Filtering by: Creator Kernan, Casey P. Academic Affiliation College of Earth, Ocean, and Atmospheric Sciences Subject Submarine geology

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

Full Text:

convective regime of the mantle: Earth and Planetary Science Letters, v. 71, no. 1, p. 71–84. Autio, L.K
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