Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced sulfur ...

Ohio State University geologists have found that important rocks from Niagara Gorge -- rock formations that are used to judge the ages of rocks and fossils around North America -- formed five times ...

"Short course ... delivered at the joint annual meeting of the GAC-MAC, St. John's, NL, 25-26 May, 2012." 1. Use of the Mineral Liberation Analyzer (MLA) for Mineralogical Studies of Sediments and ...

Human activity has significantly altered the earth’s landscape — so much so that many scientists have said the planet began a new geological chapter called the Anthropocene era. Many of these changes ...