myAlaska
Departments
State Employees
Statewide Links
Department of Natural Resources
GEOLOGICAL & GEOPHYSICAL SURVEYS
HOME
POPULAR GEOLOGY
Geology of Alaska
Oil & Gas
Rocks & Minerals
Flooding & Landslides
Volcanoes & Glaciers
Climate Change
Earthquakes & Tsunamis
Fossils & Dinosaurs
Roadside Geology
Kids Rock
MAPS & DATA
Interactive Maps
Alaska Maps
Geologic Map Search
Geophysics
Geochemistry
Geoportal
Weather Stations
PUBLICATIONS
Search Publications
New Releases
Sales
Theses & Dissertations
GEOLOGIC MATERIALS CENTER
General Information
Inventory
Seismic & Well Data
Access Samples
Research & Publications
Community & Education
Geologic Donations
LINKS
Alaska Volcano Observatory
Alaska Geospatial Office
Alaska Seismic Hazards Safety Commission
ABOUT US
Statutes & Mission
Organization
Annual Reports
Staff Directory
Employment
DGGS in the News
Contact Us
FAQ
State of Alaska
Alaska
/
Natural Resources
DNR
/
Geological & Geophysical Surveys
DGGS
/
Publications
Pubs
/
OF 92-701
OF 92-701
USGS OF 92-701 - 40Ar/39Ar age-spectrum data for whole rock basalts, and plagioclase and biotite from tephra; a traverse down the Porcupine River, east-central Alaska
