UniServe Science Earth and Environmental Science Table of Contents

8.5 Dynamic Earth

Dating rocks Plate Tectonics - general information Evidence for plate tectonics - seafloor spreading
Gondwanaland and Pangaea Australian specific resources Historical development of theory

Evidence for age of Australian continent

Radioactive dating

Virtual Dating - interactive activity on Radiocarbon dating and Radiometric dating from California State University

Learning from the Fossil Record - Background information and series of studnet activities, from University of California, Berkeley

The Talk.Origins Archive (Exploring the Creation/Evolution Controversy) - FAQs and information on different theories and ideas on the origins of the earth

Geologic Time -full opnline text from US Geological Survey

Clocks in Rocks: Isotopes and Age of Earth - from Global Change, University of Michigan

Geologic Time Scale Analogy - from Miami University

Oldest rocks in Australia

Earlier Water on Earth? Oldest Rock Suggests Hospitable Young Planet - from National Science Foundation

World's Oldest Rocks Suggest Early Earth Was Habitable - article from National Geographic

News Photos - microscopic view of a zircon crystal determined to be 4.4 billion years old, from University of Wisconsin-Madison

Professor Bill Compston: Isotope geochemist - Teachers notes and transcript of interview from Australian Academy of Science


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Plate Tectonics - general information

Crustal plates - what and where

Continents on the Move - from Nova Online

Evolving Earth: Plate Tectonics - from University of Michigan, crustal plate interactive map, needs Shockwave

The Crust -basic information site

Teaching Plate Tectonics with Easy-to-Draw Illustrations The next time you teach plate tectonics, consider a draw-with-me presentation that will engage your students and help them understand the spatial and movement aspects of plate boundary environments.

Bathymetric maps and plate tectonics from CPO Science - PowerPoint presentation (832kB)on Plate tectonics and map analysis,with class activities

Background and general information

It's Just a Theory - a WebQuest produced by UniServe Science on the Theory of Plate Tectonics

When the Earth Moves - from Beyond Discovery, The National Academy of Sciences

Exploring Earth

Plate Tectonics - includes investigations, interactives, visualisations and data centres

All About Plate Tectonics: Earth's Plates and Continental Drift - from Enchanted Learning. Colourful imgages

Geology : Plate Tectonics - history and mechanisms, from Musuem of Paleontology, University of California, Berkeley

Hell's Crust: Our Everchanging Planet - from Savage Earth, PBS Broadcasting. The Earth at Work

This Dynamic Earth - from United States Geological Survey. Online book of 77 pages

Plate Tectonics and Sea-Floor Spreading, Subduction Zones, "Hot Spots", and the "Ring of Fire" - from United States Geological Survey

Plate tectonics - text summary of key concepts, from University of Newcastle upon Tyne, England

Regional Paleogeographic Views of Earth History - this presentation uses a series of paleogeographic and plate-tectonic reconstructions to show the broad patterns of Phanerozoic Earth history organised by region and in geologic order from oldest to youngest for each region. The Time Slice link shows all maps and globes of all regions by geologic time (the Periods), from North Arizona University


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Evidence for Plate Tectonics - Sea Floor Spreading

Hess proposes sea-floor spreading - from A Science Odyssey

Developing the Theory - from This Dynamic Earth, United States Geological Survey

Where is the Evidence for Plate Tectonics? Earth Science from Moorland School, UK

Palaeomagnetism

Plate Tectonics: The Evidence - tutorial from Geology Rocks, University of Edinburgh

Geophysical Remote Sensing - with excellent images and diagrams of geomagnetic information, from Goddard Space Flight Center, NASA

Anomalies hint at magnetic pole flip - a short article from New Scientist, April 2002

How we Know Plates Move - from Dynamic Earth, University of Leeds

Magnetic Anomalies and Sea-floor Spreading Rate - graphics for interpretation, from EarthRef.org Digital Archive (ERDA)

Magnetic stripes and isotopic clocks - from This Dynamic Earth, United States Geological Survey

Volcanic activity and sea floor spreading (mid ocean ridges and subduction zones)

Volcanoes: Can we predict volcanic eruptions? - interactive site from Annenberg/CPB Channel

STROMBOLI on line - images, information adn activities from Swiss Federal Institute of Technology Zurich

Volcanoes from Exploring the Environment- Modules and Activities

USGS Volcano Watch - from United States Geological Survey

Global Volcanism Program - at the Smithsonian National Museum of Natural History

Igneous rock types and features

Voyage to Puna Ridge - including Factoids on Lava Flows Underwater and Basalt

Atlas of Igneous and Metamorphic Rocks, Minerals and Textures - from Virtual Geology, University of North Carolina

Ask GeoMan... -series of FAQ from University of Oregon

Igneous Rocks - from James Madison University

Rock Cycle - concept map - from University of Indiana

Oceanography

Three Tectonic Plates Collide Down Under includes a map of the plate boundaries with clickable areas that provide local maps and commentary on tectonic features, in particular

Digital Map of the Age of the Ocean Floor

Total Sediment Thickness of the World's Oceans & Marginal Seas - from National Oceanic and Atmospheric Administration

Sample Images of Crustal Ages of the Sea Floor - from National Oceanic and Atmospheric Administration


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Gondwanaland and Pangaea

The Formation of Pangaea: The Making of a Supercontinent - from Donald L. Blanchard's Earth Sciences Web Site

Continental Drift - an animation from Museum of Paleontology, University of California, Berkeley

Dispersal of Gondwanaland - from Dynamic Earth, Leeds University

Continental divide: the breakup of Pangaea - an interactive animation from Origins: Antacrtica


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Australian specific resources

Oz Volcanoes: A web-based activity exploring recent volcanic activity in Australia - from UniServe Science

Welcome to the Monotremes - from The University of Edinburgh

Tunnels to a Wildlife Underworld - Undara Lava Tubes, Queensland

Earthbytes Dr Dietmar Müller's web site - at The University of Sydney - current research


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Historical development of theory

Hess proposes sea-floor spreading 1960 - from A Science Odyssey

Harry Hammond Hess: Spreading the seafloor - from This Dynamic Earth, United States Geological Survey

Wegener proposes idea of continental drift 1912 - from People and Discoveries, A Science Odyssey

Alfred Lothar Wegener: Moving continents - from This Dynamic Earth, United States Geological Survey

The Meteorologist Who Started a Revolution - from The Plate Tectonics web site

Arthur Holmes 1890 - 1965 - from People and Discoveries, A Science Odyssey

Magnetic bands provide evidence of sea-floor spreading 1963 - from People and Discoveries, A Science Odyssey

Life is found near deep ocean vents 1977 - from People and Discoveries, A Science Odyssey

Alfred Wegener (1880-1930) - from the Museum of Paleontology, University of California, Berkeley

Historical perspective - from This Dynamic Earth, USGS

Plate Tectonics: The Rocky History of an Idea - from the Museum of Paleontology, University of California, Berkeley


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