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‘Ultrachron’ Reveals Drama of Being a Rock

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AMHERST, Mass., March 14, 2007 -- Assigning dates to the events in the life of a rock -- for example, a collision with a piece of continent, or a journey through the Earth’s crust -- has long challenged geologists, as the events themselves can confound evidence of the past. But now, armed with a custom-built machine known as the Ultrachron, University of Massachusetts Amherst scientists are refining a technique that allows them to pin dates to geologic processes with unprecedented precision. The research is already providing new information on the expansion of the North American continent and the growth of the Himalayas,...Read full article

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    Published: March 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Biophotonicsgeologic processgeologyIndustry Eventsmonazite analysisNews & FeaturesphotonicsrocksUltrachronUMassUMass AmherstUniversity of Massachusetts at Amherst

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