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  3. Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption

Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption

Dates

First Processing Date
1989
Last Processing Date
2023
Publication Date

Citation

Walkup, L.C., Sarna-Wojcicki, A.M., Wan, E., Meyer, C.E., Budahn, J.R., Westgate, J.A., and Bray, C.J., 2023, Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption: U.S. Geological Survey data release, https://doi.org/10.5066/P9KI7L9J.

Summary

These tables contain geochemical data collected for tephra samples either correlated with or in the same type section with the Ibex Hollow Tuff. Most samples were collected by Andrei Sarna-Wojcicki and Mike Perkins, but some were submitted to the U.S. Geological Survey Tephrochronology Project for analysis by other persons. Electron microprobe analysis (EMA) was performed at the U.S. Geological Survey in Menlo Park California, at the University of Utah in Salt Lake City Utah, and at the University of Toronto in Toronto Ontario Canada. Bulk glass EMA results have been normalized to 100% anhydrous following standard normalization procedures. Individual shard analyses are unnormalized. Instrumental neutron activation analysis (INAA) was [...]

Contacts

Point of Contact :
Laura C Walkup
Process Contact :
Andrei M Sarna-Wojcicki, James R Budahn, Colin J Bray, University of Toronto
Originator :
Laura C Walkup, Andrei M Sarna-Wojcicki, Elmira Wan, Charles E Meyer, James R Budahn, John Westgate, Colin Bray
Metadata Contact :
Laura C Walkup
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geology, Minerals, Energy, and Geophysics Science Center
USGS Mission Area :
Core Science Systems

Attached Files

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IbexHollowTuff_metadata_v2.xml
Original FGDC Metadata
View 		64.95 KB application/fgdc+xml
IbexHollowTuff_EMP_bulkdata_v2.txt 6.75 KB text/plain
IbexHollowTuff_EMP_sharddata_2.txt 26.41 KB text/plain
IbexHollowTuff_ICPMS_traceelements_v2.txt 941 Bytes text/plain
IbexHollowTuff_INAA_v2.txt 23.01 KB text/plain

Purpose

Data were collected to geochemically characterize tephra samples.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9KI7L9J

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