Cathodoluminescence response of barite at room and liquid nitrogen temperatures
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Abstract
Rare earth element (REE) enrichment in the Elk Creek carbonatite, Nebraska USA, is comparable to ore grade enrichment in carbonatite-hosted REE deposits[1]. Petrographic examination of textures documents a complex history of crystallization, brecciation, recrystallization, oxidation, and near surface alteration. Barite (BaSO4) is present in most units, including REE-enriched zones, such that it may provide important constraints on processes that lead to ore-grade enrichment of carbonatites. Samples containing barite from different temperature regimes within the deposit were chosen to study the cathodoluminescence (CL) response at room and liquid nitrogen (LN) temperatures to help determine the processes by which REEs were enriched within the deposit and possible contributions of REE to the CL response.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Cathodoluminescence response of barite at room and liquid nitrogen temperatures |
| DOI | 10.1017/S1431927622003178 |
| Volume | 28 |
| Issue | S1 |
| Year Published | 2022 |
| Language | English |
| Publisher | Cambridge University Press |
| Contributing office(s) | Geology, Geophysics, and Geochemistry Science Center |
| Description | 3 p. |
| First page | 668 |
| Last page | 670 |
| Google Analytic Metrics | Metrics page |