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Teaching Documents about Geochronological Methods
Teaching Documents about Palaeobotany
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What is Palaeontology or Palaeobiology?
Teaching Documents about Palaeontology and Palaeoecology
Teaching Documents about Ichnology
Teaching Documents about Ecology
Teaching Documents about Taphonomy
Teaching Documents about Plant Anatomy
Teaching Documents about Wood Anatomy and Tree-Ring Research
Teaching Documents about Botany
Teaching Documents about Biology
Teaching Documents about Evolution
Teaching Documents about Mass Extinction
Teaching Documents about Classification and Nomenclature
Teaching Documents about Cladistics and Phylogeny
Teaching Documents about Palaeogeography
Teaching Documents about Palaeoclimate
Teaching Documents about Stratigraphy and Historical Geology
Introductions to Statistics
Meta Indexes of Online Education
Virtual Field Trips
Geologic Time Scale@
! Evolution Sciences versus Doctrines of Creationism and Intelligent Design@
Glossaries, Dictionaries and Encyclopedias: Geology@
Glossaries, Dictionaries and Encyclopedias: Palaeontology@
Glossaries, Dictionaries and Encyclopedias: Chemistry and Geochemistry@
Homepages of Triassic Workers@
About.com: Dating Archaeological Sites and Artifacts. An annotated link list.
Department of Geological Sciences, University of Texas, El Paso:
The Science of Historical Geology.
Early Geologists Tackle History's Mysteries.
Time and Geology.
Life on Earth: What do Fossils Reveal?.
The Proterozoic: Dawn of a More Modern World.
Early Paleozoic Events.
Life of the Paleozoic Part 1.
Life of the Paleozoic Part 2.
Lecture notes, Powerpoint presentations.
Michael Benton, Department of Earth Sciences, University of Bristol, UK: Accuracy of Fossils and Dating Methods (an ActionBioscience.org original interview, American Institute of Biological Sciences).
Marshall Brain, HowStuffWorks, Inc.: How Carbon-14 Dating Works.
School of Earth Sciences,
University of Bristol:
Your Planet Earth.
A library of talks on earth sciences and evolutionary topics that may be of interest to earth sciences and education professionals as a basis for engagement and outreach shows in schools. Go to:
The History of Life. Powerpoint Presentation.
Geological Time. Powerpoint Presentation.
Rick Cheel, Department of Earth Sciences, Brock University: Geologic Time and Historical Geology and the history of the continents. Powerpoint presentations.
Jeff Crabaugh (University of Wyoming), The Science Education Resource Center (SERC), Carleton College: Teaching Geoscience with Visualizations: Using Images, Animations, and Models Effectively, Radioactive Decay and Absolute Age Determinations. This web page provides access to a number of visualizations and supporting material illustrating the concept of radioactive decay and its central role in radiometric dating. Visualizations include cross-linked series of diagrams, static illustrations, and photos.
J. Dodick and N. Orion (2006): Building an understanding of geological time: A cognitive synthesis of the "macro" and "micro" scales of time. PDF file, in C. Manduca and D. Mogk, eds., Earth and Mind: How Geologists Think and Learn about the Earth: Geological Society of America, p. 77-94.
Steven Dutch, Natural and Applied Sciences, University of Wisconsin, Green Bay: Power Point and Photographic Slides. Go to: Geologic Time and Earth History . Powerpoint presentation.
Deborah Freile, New Jersey City University:
Geology. An investigative course of geological and biological aspects of Earth History
as developed through the use of fossil evidence and the principles of stratigraphy,
geochronology, and the geology of structures.
PowerPoint slides for lecture, e.g.:
Absolute Age. Snapshot taken by the Internet Archive´s Wayback Machine.
Earth Science Australia: Geological time.
Earth Science Teachers´ Association (ESTA).
The aim of the Association is to advance education by encouraging and supporting the teaching of Earth sciences at all levels, whether as a single subject such as Geology, or as part of Science or Geography or other courses. See for instance:
Open Resources Page A number of existing web-based resources for the teaching and learning of geology.
! Don´t miss the archive access, especially of the journal "Geology Teaching". Excellent! This archive contains back issues of ESTA publications which have been scanned and stored in Portable Document Format (pdf).
Richard B. Firestone, Ernest O. Lawrence Berkeley National Laboratory, Berkeley, and
Justin Matis, The
Berkeley Laboratory Isotopes Project.
Information about the Periodic Table of the Isotopes.
Provided by the Internet Archive´s Wayback Machine. Go to:
Nuclear Science Glossary.
This glossary focuses on radioactive decay.
See also here.
Mark Gregory, Sydney: Carbon 14 Dating Calculator. To find the percent of Carbon 14 remaining after a given number of years, type in the number of years and click on Calculate.
Tom P. Guilderson, Paula J. Reimer, Tom A. Brown: The Boon and Bane of Radiocarbon Dating. Abstract, Science, Vol 307, Issue 5708, 362-364; 2005.
Hakai Magazine (part of the Tula Foundation): Advances in Geochronological Methods.
Richard Harter, The Talk.Origins Archive: Changing Views of the History of the Earth. This web site gives a summary of the way scientists have determined the age of the Earth.
Tom Higham, Radiocarbon Laboratory, University of Waikato, New Zealand: The Radiocarbon WEB-Info. This resource is designed to provide online information concerning the radiocarbon dating method. Radiocarbon dating is the technique upon which chronologies of the late Pleistocene and Holocene have been built.
J.C. Hunziker et al. (1992): Thirty-two years of geochronological work in the Central and Western Alps: a review on seven maps. In PDF.
Eduardo A.M. Koutsoukos (2007):
Evolution of a Concept. PDF file; In:
Koutsoukos, Eduardo A.M. (ed.)
Stratigraphy. Series: Topics in Geobiology, Vol. 23.
See also here (Google books).
Vanessa LeBeau, larsonjewelers.com:
Science Guide to Fossil Dating.
A link directory.
This expired link is available through the Internet Archive´s Wayback Machine.
Sonjia Leyva, College of Natural & Social Sciences,
Department of Geosciences and Environment, California State University, Los Angeles:
The Geophile Pages. These pages are designed to help everyone explore the wonders of geology and oceanography. Go to:
Lessons. Lectures presented in classes. You can also navigate from ! here. See for example:
Justin Matis and
Richard B. Firestone,
Ernest O. Lawrence Berkeley National Laboratory,
Glossary of Nuclear Terms. With animated images to illustrate the nuclear
This expired link is available through the Internet Archive´s Wayback Machine.
Andrew MacRae, The Talk.Origins Archive:
Radiometric Dating and the Geological Time Scale.
Circular Reasoning or Reliable Tools?
This website discusses the way radiometric dating and stratigraphic principles are used to
establish the conventional geological time scale.
Snapshot provided by the Internet Archive´s Wayback Machine.
Space Physics Research Laboratory,
Department of Atmospheric, Oceanic and Space Sciences,
University of Michigan, Ann Arbor:
GLOBAL CHANGE I.
The University of Michigan's Global Change Curriculum offers an innovative approach in undergraduate science
and social science education as part of the Program in the Environment. In three interdisciplinary,
team-taught courses the topic of Global Change from physical and human perspectives are examined.
The courses are aimed at first and second year students who want to understand the historical and modern
aspects of Global Change. Go to:
Clocks in Rocks: Isotopes and the Age of Earth (van der Pluijm).
Websites outdated. The link is to versions archived by the Internet Archive´s Wayback Machine.
The University of Michigan:
Global Change, Physical Processes:
Global Change 1 Fall 2011 Schedule . Go to:
! Clocks in Rocks: Isotopes and Age of Earth.
University of Minnesota Duluth:
Geochronology. Methods for Determining the Relative and Absolute Age of Rocks.
Lecture notes, Powerpoint presentation.
Nils-Axel Mörner (ed., 2014):
Geochronology - Methods
and Case Studies.
Open access, by InTech. Chapters published July 25, 2014 under CC BY 3.0 license.
This book includes a combination of methodological presentations and related case studies, from where we learn about practical problems and achievements. Earths evolutionary history is built up by geochronology, i.e. time benchmarks upon which the geological history is built up step by step over its total time period of about 4.5 billion years. The first marker in this history is the Jack Hills zircon from Australia dated at about 4.4 GA. The most detailed records come from seasonal changes within annual varves. Stratigraphy provides the basic chronological ordering of layers by layers. The radiometric techniques implied the introduction of absolute age determinations.
Research Group of Department of Earth Sciences, National Central University Taiwan:
! Chronostratigraphy and Geological Time. In PDF.
Carl R. Nave, Department of Physics and Astronomy, Georgia State University, Atlanta: HyperPhysics. HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies. Go to: Radioactive Dating, and Radioactive Half-Life. See also: Radioactive Decay Calculation.
William L. Newman, USGS Geologic Information - General Interest Pubs, U.S. Department of the Interior, U.S. Geological Survey: Geologic Time. This online edition contains chiefly all text from the original book in its entirety.
Paul Eric Olsen, Department of Earth and Environmental Sciences, Columbia College of Columbia University (Lamont-Doherty Earth Observatory): Unraveling Geological Time. Lecture 2, Online Course EESC V1001, "Dinosaurs and the History of Life".
Dennis O'Neil, Behavioral Sciences Department, Palomar College, San Marcos, California: Record of time. An introduction to the nature of fossils and paleoanthropological dating methods. This site provides information on radiometric dating methods, including a Glossary of Terms.
John Pojeta and Dale A. Springer, American Geological Institute AGI, (in cooperation with the Paleontological Society): Evolution and the Fossil Record. This non-technical introduction to evolution aims to help the general public gain a better understanding of one of the fundamental underlying concepts of modern science. Go to: Dating the Fossil Record.
Quizlet.com study tools:
! Search for Geochronical Methods.
Radiocarbon. Radiocarbon is the main international journal of record for research articles and date lists relevant to 14C and other radioisotopes and techniques used in archaeological, geophysical, oceanographic and related dating.
R.B. Schultz, Department of Geography and Geosciences, Elmhurst College, Elmhurst, IL: Geologic Time and Earth History. Powerpoint presentation.
UCLA SIMS: U-Pb zircon geochronology. This page provides a short tutorial leading through some steps that are required for obtaining U-Pb zircon ages.
! U.S. Geological Survey (USGS), U.S. Department of the Interior: Geochronology, Geochemistry and Tracer Studies. The variety of geochronological tools or methods.
U.S. Geological Survey and the National Park Service: USGS Geology in the Parks, What is Geologic Time? See also: Geologic time scale.
Department of Health, Safety and Environment, University of British Columbia, Vancouver, BC: Radioactive Decay Calculator. This website offers the following features: isotope databank containing the half-life of 116 isotopes; equations for radioactive decay, timed decay, and timed solid disposal. These tools calculate the half-life for selected isotopes; radioactive decay final activity, given the initial activity and decay time; the decay time, given the initial and final activities; and the decay time, given the mass of a solid and the initial activity.
Ben A. van der Pluijm, Department of Geological Sciences, University of Michigan, Ann Arbor, MI: GLOBAL CHANGE 1, Physical Processes (see also here). Clocks in Rocks: Isotopes and Age of Earth.
Kathie Watson, U.S. Geological Survey: Radiometric Time Scale.
Jennifer M. Wenner, Geology Department, University of Wisconsin-Oshkosh (website by Digital Library for Earth System Education): How Does Radioactive Decay Work?
! W. White,
Department of Geological Sciences,
Cornell University, Ithaca, NY:
Geo Sci 656 Lecture Notes.
A set of lecture notes for a course in Geochronology, Radiogenic Isotope Geochemistry and
Stable Isotope Geochemistry.
You can view and print the
following documents using Adobe Acrobat
Reader. Go to:
Isotope Geochemistry. The lecture note (Adobe Acrobat Reader Version 3) covers the following topics: Nuclear structure and nucleosynthesis and the origin of the elements, geochronology, isotope ratios as natural tracers and stable isotope geochemistry.
See also here
Wikibooks, the open-content textbooks collection:
High School Earth Science.
Contributed by John Benner et al. Worth checking out:
Evidence About Earth´s Past.
Wikipedia, the free encyclopedia:
List of geochronologic names.
Age of the Earth.
WonderQuest Columns: Death starts the stop-watch. Carbon-14 method, briefly explained.
J.R. Wood, Department of Geological & Mining Engineering and Sciences,
Michigan Technological University, Houghton:
Earth History. Lecture notes, Powerpoint presentations.
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