Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

View:

Show in a web browser window:

reduced-size image of the interactive map

Alaska

Show in your GIS using OGC WMS:

https://mrdata.usgs.gov/services/akages?request=GetCapabilities&service=WMS&version=1.1.1

Download:

Download data for geographic areas you choose
Get the entire data set: akages.zip (282 kb zipped shapefile expands to 8 Mb)

Documentation:

Metadata:: [Outline] - [Questions & Answers] - [Plain text]
About the database fields: All database fields, by category