Rocks returned by China’s Chang’e-6 mission suggest volcanic activity just 2.8 billion years ago but lack telltale heat-generating elements.
Oregon’s state geologist is pitching a novel idea of using the region’s rocky basalt layer – born of lava that flowed ...
Layers of volcanic rock in eastern Oregon, the Willamette Valley and the Columbia Basin have created fertile soil for farming ...
Chemical mixtures corresponding to volcanic rocks were placed in ... After analyzing these rocks' chemical and mineral ...
Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left an imprint on volcanic rocks formed in island arcs.
U.S. Congress created the agency to “classify the public lands and examine the geological structure, mineral resources and ...
Rescue workers are sifting through smoldering debris and thick mud in search of survivors a day after a volcano on ...