A team of geoscientists have analyzed the composition of rocks in the Eifel, a volcanic region encompassing parts of western Germany, Belgium and Luxembourg. They discovered that it differs depending on the region. A team of geoscientists have analyzed the composition of rocks in the Eifel, a volcanic region encompassing parts of western Germany, Belgium and Luxembourg. They discovered that it differs depending on the region. Earth Sciences Phys.org – latest science and technology news stories