Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Os and U–Th isotope signatures of arc magmatism near Mount Mazama, Crater Lake, Oregon

Meagan E. Ankney, Steven B. Shirey, Garret L. Hart, Charles R. Bacon, Clark M. Johnson

Earth and Planetary Science Letters · 2016

Read source ↗ All evidence

Summary

This paper presents isotopic analysis of arc magmatic rocks collected near Mount Mazama, Crater Lake, Oregon, using osmium and uranium–thorium isotope geochemistry. The study characterises the source signatures and crustal contamination processes affecting volcanic magmatism in the Cascade Arc subduction zone. The findings contribute to understanding magmatic evolution in continental arc settings, though the work lies outside the scope of farming systems, soil health, and nutrition research.

UK applicability

This volcanological study has no direct applicability to UK agricultural systems, soil management, or food production. The research is of relevance only to geochemists and volcanologists studying Quaternary magmatism in the Pacific Northwest.

Key measures

Os, U, and Th isotope ratios in volcanic samples

Outcomes reported

This study analysed osmium and uranium–thorium isotope ratios in arc magmatic rocks from the Mount Mazama volcanic system. The research characterised the geochemical signatures of magmatism in a subduction zone setting.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory / in vitro
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Other
DOI
10.1016/j.epsl.2015.12.001
Catalogue ID
BFmovi2ass-964ka3

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.