Data release for cosmogenic beryllium-10 exposure ages of boulders deposited on moraines in the southern Sawatch and Sangre de Cristo Mountains, southern Colorado

This report summarizes the geochronologic results from boulders deposited on glacial moraines in the southern Sawatch and Sangre de Cristo Mountains of south-central Colorado. Within this report are detailed the methodology used to collect samples of whole rock, determine the concentrations of cosmogenic beryllium 10 in purified quartz isolated from those samples, and use those nuclide concentrations to calculate surface exposure ages. This report should be used as supplementary material for any publication(s) that uses the nuclide concentrations and/or ages reported herein. This version supersedes all previous age estimates and reports.

Data and Resources

Field Value
accessLevel public
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identifier http://datainventory.doi.gov/id/dataset/usgs-61f42b17d34e622189bb5d75
metadata_type geospatial
modified 2022-04-07T00:00:00Z
old-spatial -106.1568, 37.6163, -105.5393, 38.4734
publisher U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 103c2eab84d5854839a302911c76d7b60d3a03721a20ecb8f37e236c6a049066
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-106.1568, 37.6163], [-106.1568, 38.4734], [ -105.5393, 38.4734], [ -105.5393, 37.6163], [-106.1568, 37.6163]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • alamosa-county
  • beryllium-10
  • blanca-peak
  • chaffee-county
  • colorado
  • cosmogenic-nuclide-exposure-dating
  • geochronology
  • geoscientificinformation
  • mount-ouray
  • radiometric-dating
  • sangre-de-cristo-range
  • sawatch-range
  • usgs-61f42b17d34e622189bb5d75
isopen False
license_id notspecified
license_title License not specified
maintainer Andrew J Cyr
maintainer_email acyr@usgs.gov
metadata_created 2025-09-24T01:11:18.716896
metadata_modified 2025-09-24T01:11:18.716906
notes This report summarizes the geochronologic results from boulders deposited on glacial moraines in the southern Sawatch and Sangre de Cristo Mountains of south-central Colorado. Within this report are detailed the methodology used to collect samples of whole rock, determine the concentrations of cosmogenic beryllium 10 in purified quartz isolated from those samples, and use those nuclide concentrations to calculate surface exposure ages. This report should be used as supplementary material for any publication(s) that uses the nuclide concentrations and/or ages reported herein. This version supersedes all previous age estimates and reports.
num_resources 2
num_tags 21
title Data release for cosmogenic beryllium-10 exposure ages of boulders deposited on moraines in the southern Sawatch and Sangre de Cristo Mountains, southern Colorado