Elemental Analysis of Luminescent Cave Formations Using X-Ray Fluorescence

Luminescent calcite formations (N = 21) were taken from nine karst caves in a valley in Northeast Iowa. Ten samples fluoresced bright blue under UV light and phosphoresced green. Four samples fluoresced dull pink instead of blue. Seven samples do not fluoresce as strongly as the other samples. An elemental analysis was performed on the samples using a Bruker Tracer 5g handheld XRF. Analysis shows some samples may experience fluorescence quenching by the presence of iron and some amount of fluorescence by manganese.

Publication Details

Journal
UNI ScholarWorks (University of Northern Iowa)
Published
2024-10-01
Primary Topic
Karst Systems and Hydrogeology
Type
article
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article

Elemental Analysis of Luminescent Cave Formations Using X-Ray Fluorescence

UNI ScholarWorks (University of Northern Iowa)
Karst Systems and Hydrogeology
article

Elemental Analysis of Luminescent Cave Formations Using X-Ray Fluorescence

article en

Abstract

Luminescent calcite formations (N = 21) were taken from nine karst caves in a valley in Northeast Iowa. Ten samples fluoresced bright blue under UV light and phosphoresced green. Four samples fluoresced dull pink instead of blue. Seven samples do not fluoresce as strongly as the other samples. An elemental analysis was performed on the samples using a Bruker Tracer 5g handheld XRF. Analysis shows some samples may experience fluorescence quenching by the presence of iron and some amount of fluorescence by manganese.

UNI ScholarWorks (University of Northern Iowa)
Openalex Percentile: Top 49%
Karst Systems and Hydrogeology
OpenAlex
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Elemental Analysis of Luminescent Cave Formations Using X-Ray Fluorescence · UNI ScholarWorks (University of Northern Iowa) (2024) | TGRS Research Map | TGRS