fracking

    

SciWorks Radio is a production of 88.5 WFDD and SciWorks, the Science Center and Environmental Park of Forsyth County, located in Winston-Salem. 

Check out this this map to see where the Rift Basins and Subbasins lie in North Carolina.

The sand is pumped underground along with water and other chemicals to extract oil and natural gas trapped deep in rock. But researchers found that air samples taken at some drilling sites contained high enough levels of very fine silica particles to be dangerous to workers.