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Browse Visualizations

You can use this page to browse through all of the individual visualizations that have been cataloged in our digital library. You can also browse them as collections related to particular topics.


Results 31 - 40 of 252 matches

Snowball Earth

The linked Flash animation illustrates the snowball earth hypothesis, that 900 million years ago, the entire terrestrial and oceanic earth surface was covered in ice. The animation demonstrates four proposed stages in snowball earth formation and destruction: normal, metastable, runaway snowball, and runaway greenhouse. This is part of a series of animations developed to help students visualize dynamic earth processes. The series is a component of a website that supports the textbook, Earth: Portrait of a Planet.

A Virtual Museum of Fossils

This collection of fossils contains 300 fossils of vertebrates and invertebrates and casts of fossils from national museums, universities and private collections. For each geologic time period, the website provides ancient world configurations, important ancient world physiographic features, ancient world locations where the fossils were found, and a comprehensive table with thumbnails of all fossils in the collection. A separate page is devoted to each specimen where multiple high resolution photographs are displayed. Reference skeletal reconstructions are shown where available from the literature.

American Field Guide: Relative Dating - Telling Time Using Fossils

This website integrates video footage and information with lesson plans and activities to teach students about the concept of relative dating. Students will graph a range chart for ammonites, determine the geologic age for several rocks, and determine which rocks will be most useful for oil companies looking to drill oil. This site contains lesson plans, student worksheets, discussion questions, and links for more information.

Sediment Transport Movies

This site features a collection of 25 freely downloadable brief movies that demonstrate different types of sediment transfer processes in a variety of environments. Videos present both live and laboratory-created conditions and events such as turbidity currents, debris flows, tidal fluctuations, and the formation of dunes and ripples. For example, two live videos by Canadian sedimentologist Gerard Middleton show the effects of tidal processes at the Bay of Fundy, Nova Scotia. There are also four videos which capture the growth of mineral crystals. Text to accompany the videos can be downloaded as a PDF file by clicking the appropriate link.

The fluid dynamics of natural turbidity currents, Lillooet Lake, British Columbia, Canada

This website describes the outcome of two field studies at the University of Leeds, that examined the dynamics of density currents generated by river inflow into Lillooet Lake. This website presents the background to the study, details of the methodology as well as photographs and graphical representations of the findings. The study provides the first dataset from natural sediment-laden turbidity currents and bridges the gap between natural currents and laboratory and numerical simulations.

Essentials of Geology: Hot Spot Volcanoes Animation

This animation, listed as 2.10 in Chapter Two in the Essentials of Geology web page, shows how hot spot volcanoes arise. Users may access this and many other animations describing plate tectonic processes from the Chapter Two webpage. Users may also follow links to other chapters in the Essentials of Geology book.


This website, designed for a Sediments and Strata course at the University of California- Davis, contains numerous photographs of turbidite sequences in outcrop. Photos are divided into two categories; turbidites in the Cretaceous Pigeon Point Formation and turbidites in the Cretaceous Great Valley Sequence. Users may also follow a link to other sedimentary photos.

Observe an animation showing the formation of an unconformity.

This website hosts an animation depicting the formation of an unconformity in the rock record. Users can play, rewind, fast forward and stop the animation at any point in the formation as well as read detailed text outlining the process. The animation is part of the Earth Exploration Visualization collection.

The Canadian Cordillera

This site provides numerous diagrams, maps, and cross sections of the terranes and tectonic elements of the Canadian Cordillera and northwestern North America. The site also features several abstracts about the source and mineralogy of Cordilleran rocks and whether or not terranes are of a native or exotic origin.

Mantle Plumes

This site provides a broad suite of information and resources about "hot spots" and the current debate as to their existence. The site features technical tutorials and publications on a variety of mantle plume topics divided into four main categories: localities, mechanisms, generic, and other resources. The site also includes links to current news articles, information about conferences and meetings, and additional resources. Suggestions and contributions to the site are encouraged.

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