What Are Minerals? May 7, 2012 | Geology.com Every person uses products made from minerals every day. Salt, antacid tablets, pencils, cell... Greenland: Earth’s Oldest Impact Crater July 2, 2012 | New Scientist A deeply eroded impact crater on the western coast of Greenland is now thought to... Europe’s Oldest Cave Art June 19, 2012 | University of Bristol Paleolithic paintings in El Castillo cave in Northern Spain date back at least 40,800 years... Pittsburgh and Natural Gas August 10, 2012 | San Francisco Chronicle Although Pittsburgh made headlines in 2010 when city council members banned hydraulic fracturing within city... Henry Darcy – Dijon Water Supply February 7, 2012 | Jackson School of Geosciences, The University of Texas at Austin Henry Darcy is sometimes called the Father of Hydrology for his insights into how fluids... No Hydraulic Fracturing in Bulgaria January 18, 2012 | Star-Telegram Chevron has been denied the option to use hydraulic fracturing while drilling natural gas shales... Salt Glaciers? April 1, 2013 | Geology.com Salt glaciers (also known as namakiers) are masses of salt that erupt onto Earth's surface... Wyoming Rare Earth Deposit September 23, 2012 | CNN Money This CNN video explores the impact that a concentration of rare earth elements might have... |