Geology Digital Library

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Calvin Photographic Collection
"Samuel Calvin, Professor of Natural Sciences at the University of Iowa (1873-1911) and State Geologist, took more than 5,000 glass plate negatives, which he used to illustrate specific geological features for class instruction, public lectures, and publications. The photographic techniques are of high quality, and the images are as aesthetically pleasing as they are geologically informative...In addition to geological landscapes and features, Calvin documented mines, quarries, mills, and other buildings. The collection also contains portraits of his family, colleagues, and classes in the field. While Calvin may have taken most photographs to exhibit geological features, the images are beautifully composed. Calvin did the developing himself, producing rich blacks and a full range of grays."

Digital Library for Earth System Education (DLESE)
"Resources in DLESE include lesson plans, scientific data, visualizations, interactive computer models, and virtual field trips - in short, any web-accessible teaching or learning material. Many of these resources are organized in collections, or groups of related resources that reflect a coherent, focused theme. In many ways, digital collections are analogous to collections in traditional bricks-and-mortar libraries."

Digital Tectonic Activity Map
"The Digital Tectonic Activity Map (DTAM) is a new visualization tool for both researcher and educator alike to better understand tectonic activity of our planet for the past 1 million years. DTAM is a Geographical Information System (GIS) that displays a realistic synoptic view of present global tectonism by filling in the cartographic gap between conventional geological maps and plate reconstruction maps."
- NASA

Geology by Lightplane
"While it is important to have detailed ground-based slides to illustrate geological features for introductory classes, a few shots from the air help to establish their overall relationship ... These air photos have been very useful in my teaching. I think they can be useful teaching aids for others. I have copyrighted the digital image files, but I am making 335 of them available at no cost for noncommercial educational use."
By Louis J. Maher, Geology Dept., University of Wisconsin-Madison

Global Earth History
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. Organization is 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)."
By Dr. Ron Blakey, Professor of Geology, Northern Arizona University

Guadalupe Mountains
An Introduction and Virtual Geologic Field Trip to the Permian Reef Complex, Guadalupe and Delaware Mountains, New Mexico-West Texas.
"This site offers a virtual field trip to the classic Permian reef complex and other geologic features of the Guadalupe Mountains. It contains an introduction plus several roadlogs with diagrams, photographs, and movies, as well as an extensive bibliography in order to provide a balanced presentation for a geology student audience."
By Dr. Peter Scholle, Geology Dept., New Mexico Tech

Imaging Everest
"To mark the anniversary of the first ascent of Mount Everest on May 29, 1953, the Royal Geographical Society (with the Institute of British Geographers) in conjunction with the British Council in Nepal has created an exhibition called Imaging Everest from its collection of approximately 20,000 photographs taken on the nine Mount Everest Expeditions between 1921 and 1953. These expeditions were jointly organized by the Royal Geographical Society and the Alpine Club. The exhibition shows the importance of the landscape and people of the Himalayan region and tells the story of those involved in the first attempts to climb Everest ...This website provides an online version of the Imaging Everest exhibition and enables people all over the world to share this remarkable collection of photographs.
Sections include: The History of Everest ; Everest Expeditions in the 1920s and 1930s ; Tibetan People ; Religion in Tibet and Nepal ; Nepal in the 1950s ; Sherpas ; Tenzing and Hillary ; Mount Everest Expedition 1953 ; Biographies ; Everest Slideshow.
- The Royal Geographical Society (with IBG)

LandView
The Federal Geographic Data Viewer
"LandView reflects the collaborative efforts of the U.S. Environmental Protection Agency, the U.S. Census Bureau, the U.S. Geological Survey, and the National Oceanic and Atmospheric Administration to produce a "Federal Geographic Data Viewer" that provides the public ready access to published Federal spatial and related data."

U.S. Geological Survey (USGS) Publications see

Virtual and On-line Geologic Field Trip Guides: United States and Canada
"We have listed web pages that contain descriptive local geological or earth science information for the United States or Canada (excluding reports of field trips containing only photos with no explanatory text). We have also included links to downloadable versions of published paper texts."

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