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valerie taylor

History of Glaciers in Glacier National Park | Northern Rocky Mountain Science Center (... - 0 views

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    "History of Glaciers in Glacier National Park Aerial photos of Chaney Glacier showing decrease in glacial area. 1850s margin was delineated from morainal evidence, 2005 margin delineated by GPS.The history of glaciation within current Glacier National Park boundaries spans centuries of glacial growth and recession, carving the features we see today. "
valerie taylor

The Write Question: David Shapiro and Ice Age Cataclysm! - 0 views

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    In Terra Tempo: Ice Age Cataclysm!, a graphic novel for young readers, Ari, Jenna, and Caleb unlock the secret of time travel and journey back 15,000 years to witness the great Missoula Floods, the largest floods to have ever washed over the face of the earth. This daring trio encounters a charging short-faced bear, giant mammoths, and saber-toothed cats. They tour changing landscapes from the back of the mythic Thunderbird and work together to survive the dangers of the Ice Age Cataclysm!"
valerie taylor

'Mount Sharp' on Mars links geology's past and future - 1 views

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    "One particular mountain on Mars, bigger than Colorado's grandest, has been beckoning would-be explorers since it was first sighted from orbit in the 1970s. Scientists have ideas about how it took shape in the middle of ancient Gale Crater and hopes for what evidence it could yield about whether conditions on Mars have favored life."
valerie taylor

Age of oldest rocks off by millions of years - space - 29 March 2012 - New Scientist - 1 views

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    "Two of the solar system's best natural timekeepers have been caught misbehaving, suggesting that the accepted ages for the oldest known rock samples are off by a million years or more. According to two new studies, a radioactive version of the element samarium decays much more quickly than previously thought, and different versions of uranium don't always appear in the same relative quantities in earthly rocks."
valerie taylor

Geologic map of Jupiter's moon Io details an otherworldly volcanic surface - 1 views

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    "More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map of the Jovian satellite. The map, published by the U. S. Geological Survey, depicts the characteristics and relative ages of some of the most geologically unique and active volcanoes and lava flows ever documented in the Solar System."
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