The Earth Through Time, 10th Edition
by Harold L. Levin
CHAPTER 3—TIME AND GEOLOGY
Web Links
The International Stratigraphic Chart
http://stratigraphy.org/column.php?id=Chart/Time%20Scale
The International Stratigraphic Chart is the most up-to-date version of the
geologic time chart, produced by the International Commission on Stratigraphy.
Overview of Global Boundary Stratotype Sections and Points
http://stratigraphy.org/column.php?id=GSSPs
Detailed information to support the new International Stratigraphic Chart. The
"Overview of Global Boundary Stratotype Sections and Points (GSSP's)" details
the principal events during each subdivision of the geologic time chart. Click on
the links to see where the chronostratigraphic boundaries have been defined.
Detailed maps, stratigraphic sections and fossil data are listed for stage and
system boundaries. This is the most up-to-date and definitive information about
the geologic time chart.
Understanding Geologic Time
http://www.ucmp.berkeley.edu/education/explorations/tours/geotime/geoti
me.html
Animated educational module by the University of California Museum of
Paleontology. Sponsored by the National Science Foundation.
Berkeley’s Geological Time Machine
http://www.ucmp.berkeley.edu/help/timeform.php
Explore the geologic time scale with the University of California Museum of
Paleontology.
Waikato Radiocarbon Dating Laboratory
http://www.c14dating.com/
Radiocarbon WEB-info from New Zealand. Method, measurement, applications,
sample prep labs, K-12 information, etc.
Radiometric Dating: A Christian Perspective
http://www.asa3.org/ASA/resources/Wiens.html
Simple descriptions of how a number of the dating techniques work, accuracy of
the half-lives of radioactive elements and dates, and how dates are checked
© 2013 JOHN WILEY & SONS, INC. ALL RIGHTS RESERVED.
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against one another. The paper clarifies a number of misconceptions about
dating.
Virtual Age Dating
http://www.sciencecourseware.org/VirtualDating/
An interactive exercise to teach you how geologists and archeologists determine
the ages of rocks and ancient artifacts in two activities: Isochron Dating and
Radiocarbon Dating.
Principles of Stratigraphy – the article
http://www.nhm.ac.uk/hosted_sites/paleonet/MacLeod/pdfs/strat_principles
.pdf
A learned discussion of stratigraphic principles from Steno to date.
© 2013 JOHN WILEY & SONS, INC. ALL RIGHTS RESERVED.
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