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Geotimes
September 2004
Sarah Todd Davidson |
The Center of it All: Visiting Central Park New York's Central Park presents a treasure trove of important geologic information.   |
Geotimes
March 2005
Sara Pratt |
Rocky Debate Over Early Life Scientists fail to replicate a 1996 study on 3.85-billion-year-old rocks that pushed back the date of the earliest evidence for life on Earth by several hundred million years. |
Geotimes
November 2003
Sara Pratt |
Tracing the Navajo sandstone The thick Navajo sandstone in Zion National Park is one of the largest wind-deposited formations in the geologic record. Geologists have devised a new way to determine the origin of such sedimentary rocks. |
Geotimes
September 2006
Lisa Rossbacher |
Big Lonesome Mountain What makes Gros Morne National Park so special is that its stories match the experience each visitor brings. The more geology you know, the more you will see and the richer the visit will be, but the geology meets all visitors at their own level. |
Geotimes
March 2004 |
Creationism in a national park Rangers in Grand Canyon National Park teach visitors that the Colorado River eroded the 2-billion-year-old sedimentary rocks to form the canyon roughly 6 million years ago. The park's Web site describes the Grand Canyo |
Geotimes
February 2006
Selby Cull |
Below Boston's Hills Above those hills is one of America's most revered historical cities, and below them are rocks that span more than half a billion years of Earth's history. |
Geotimes
March 2004
Megan Sever |
Wisconsin crater revealed In 1942, mappers doing reconnaissance work first noticed an anomalous geologic structure in western Wisconsin. Now geologists have determined that the feature is a 430- to 445-million-year-old meteorite impact structure. |
Geotimes
June 2003
Peter Doyle |
The British Framework for Geoconservation Geoconservation, sometimes called Earth heritage conservation, is a relatively new concept. It means conserving Earth's geological and geomorphological features for the same reasons that habitats are conserved, namely that they have intrinsic value in their own right. |
Geotimes
November 2005
Megan Sever |
New Appalachian Tale New research indicates that conventional thinking about the timing of the building of the Appalachian Mountains may be incorrect. |
Geotimes
September 2007
Nicole Branan |
Understanding the Crust Beneath Iran The most recent continent-continent collision on Earth began about 10 to 20 million years ago when the Arabian Plate slammed into Eurasia in what is modern-day Iran. An international team of researchers has brought to light an important piece of this ancient history. |
Geotimes
July 2003
Robert Spoelhof |
The Not-So-Retired Life At retirement, geologist Robert Spoelhof finally learns what he wants to be when he grows up. |
Geotimes
November 2003
Naomi Lubick |
Ed Roy: Thinking and teaching in Texas Throughout his academic career as professor of geology at Trinity University in San Antonio, Texas, Edward C. Roy Jr. has championed geology for elementary and high school students, as well as for undergraduates. |
Geotimes
November 2005
Naomi Lubick |
Seeing and Speaking in the Field Deaf students and their teachers traveled to the Utah desert to get their first taste of structural geology under the tutelage of Michele Cooke, a professor at the University of Massachusetts an Amherst. |
Geotimes
July 2005
Sara Pratt |
The Heart of a Landslide The Heart Mountain fault, a break between dolomite and volcanic rocks at Jim Creek, Wyo., is the site of the largest known terrestrial rockslide. Scientists now say that a cushion of gas buoyed the rock slab, enabling it to quickly travel down a relatively gentle slope. |
Geotimes
March 2007
Steinmetz & Dickinson |
Data Preservation: Old Samples Produce New Knowledge The ability to preserve and maintain geoscience data and collections has not kept pace with the growing need for information. |
