Big Blob of Nevada

Hidden beneath the U.S. West's Great Basin, scientists have spied a giant blob of rocky material dripping like honey.
The Great Basin consists of small mountain ranges separated by valleys and includes most of Nevada, the western half of Utah and portions of other nearby states.
While studying the area, John West of Arizona State University (ASU) and his colleagues found evidence of a large cylindrical blob of cold material far below the surface of central Nevada.
more HERE