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Kent State researchers study the stability of Mount Rushmore
Kent State University
For Kent State University Professor of Geology and long-time AEG member Abdul Shakoor, Ph.D., studying the stability of Mount Rushmore, visited by nearly three million people each year, was a lifelong dream.

In 2013, with the help of his graduate student Lindsay Poluga, an AEG student member, the two reached out to the National Park Service to develop a research project and write a grant proposal. The $25,000 National Park Service grant was awarded this past summer and Shakoor and Poluga traveled to Mount Rushmore, in the Black Hills of South Dakota, to study the effect of vibrations on the sculptures associated with the annual Fourth of July fireworks exhibit.

The National Park Service has not had fireworks set off for the Fourth of July celebrations since 2009 due to the fire hazard caused by the mountain pine beetle infestation.
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Clues to limestone weathering written in historic Western Wall
Earth Magazine
Builders and masons take note: When it comes to the durability of limestone, grain size matters. New research combining field and lab data shows that fine-grained limestone is more susceptible than its coarser-grained cousins to a one-two punch of chemical and mechanical weathering. The findings, which arose in part from observations of Jerusalem's historic Western Wall, could have implications for Earth's carbon cycle and landscape — as well as for architectural preservation.
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Science highlights

Check out what's going on in science and around the industry:
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Energy Development and Groundwater — GSA webinar from the 2014 Annual Meeting in Vancouver
Water and Energy: Undeniably two of the most essential components of our prosperous future. We need to be smart about managing both. Development of critical energy resources is perturbing groundwater systems at an increasing rate. Installations of deep wells, hydraulic fracturing and wastewater injection have the potential to broadly alter groundwater quality and flow, particularly in deep aquifers, but deep water systems and their hydraulic connections to shallow groundwater are not yet well understood.

What are the known impacts of energy resource development on deep and shallow groundwater resources? Is drinking-water quality compromised near shale gas extraction sites? What do we still need to discover?

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Missed last week's issue? See which articles your colleagues read most.

    USGS predicts large earthquake for Northern California (KSBW-TV)
What set the Earth's plates in motion? (Geology Times)
Icebergs once drifted to Florida, new climate model suggests (Geology Times)
Scientists find ancient mountains that fed early life (Australian National University via ScienceDaily)

Don't be left behind. Click here to see what else you missed.


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