Geology

Zircon crystals from Western Australia's Jack Hills region crystallized 4.4 billion years ago, building on earlier studies that used lead isotopes to date Australian zircons and identify them as the…

The U.S. Geological Survey has gone cosmic and produced the first global geological map of Ganymede, Jupiter's largest moon and the largest in the solar system. The geologists combined images…

Earth's largest mass extinction occurred some 252 million years ago, wiping out more than 96 percent of marine species and 70 percent of life on land, including the largest insects known to have…

Lorena Moscardelli of Statoil North America–Research, Development and Innovation in Austin is not the first to claim evidence to support the existence of a Martian ocean during the late Hesperian–…

In a way, you could be walking on water right now. Water is carried to the mantle by deep sea fault zones which penetrate the oceanic plate as it bends into the subduction zone. Subduction, where an…

Relic moss samples exposed by modern Arctic warming have been found to date as far back as 44,000 years ago, according to radiocarbon dating.  When the temperature rises on Baffin…

Seismic waves penetrating to a depth of almost 200 miles report the discovery of an anomaly that likely is the volcanic mantle plume of the Galapagos Islands - it's just not where geologists and…

Researchers have determined the isotope composition of the rare trace elements Hafnium and Neodymium in 2.7 billion year-old seawater using high purity chemical sediments from Temagami Banded Iron…

The April 10th, 2013 landslide at a Utah copper mine probably was the biggest non-volcanic slide in North America's modern history, and included two rock avalanches that happened 90 minutes apart and…

From the earliest days on record, earthquake lights - rare, luminous phenomena associated with some seismic events - have mystified people and intrigued geologists.  Earthquake lights…