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  3. Geochemistry and High-Resolution Backscattered Electron Imaging of Meteor Crater Impact Melts

Geochemistry and High-Resolution Backscattered Electron Imaging of Meteor Crater Impact Melts

Dates

Publication Date
Start Date
2015-01-01
End Date
2016-05-21

Citation

Gullikson, A.L., Gaither, T.A., and Hagerty, J.J., 2024, Geochemistry and High-Resolution Backscattered Electron Imaging of Meteor Crater Impact Melts: U.S. Geological Survey data release, https://doi.org/10.5066/P9OGAJ8P.

Summary

Utilizing the USGS Meteor Crater Sample Collection, we sampled impact melt particles for geochemical and textural characterization using a scanning electron microscope and electron microprobe. Samples were collected from a range of different depths and distances from the crater rim, all within the proximal ejecta blanket. By using the Meteor Crater Sample Collection, in which all samples have known geospatial locations, we are able to quantify the spatial relationship and variability between mixing of melted target rocks and the Canyon Diablo meteorite. Presented here are high-resolution backscattered electron images of all analyzed impact melt particles, and geochemical data for glass and individual mineral phases within the particles.

Child Items (3)

Contacts

Point of Contact :
Amber L Gullikson, Astrogeology Science Center
Process Contact :
Amber L Gullikson
Originator :
Amber L Gullikson, Tenielle A Gaither, Justin J Hagerty
Metadata Contact :
Amber L Gullikson
Distributor :
U.S. Geological Survey - ScienceBase
Publisher :
U.S. Geological Survey
SDC Data Owner :
Astrogeology Science Center
USGS Mission Area :
Core Science Systems

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Geochemistry and High-Resolution Backscattered Electron Imaging of Meteor Crater Impact Melts.xml
“Metadata”
Original FGDC Metadata
View 		106.9 KB application/fgdc+xml
Summary.csv
“General information on analyzed samples.” 		2.27 KB text/csv
1_MC MAP.JPG
“Location of drill holes used in this study.” 		thumbnail 1.89 MB image/jpeg
README.txt 2.22 KB text/plain

Purpose

We collected samples from the USGS Meteor Crater Sample Collection to provide a comprehensive compositional and textural dataset of Meteor Crater impact melt particles with known geospatial locations. These data can lead to better understanding the role of volatiles, depth of melting, and chemical fractionation when impacts occur in sedimentary environments.
Location of drill holes used in this study.
Location of drill holes used in this study.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9OGAJ8P

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