Latest Geophysics Stories

Highlights include several studies based in the U.S. Sierra Nevada, including a description of "magma fingers" and the formation of granite in the high Sierra crest near Yosemite National Park. Other studies investigate knickzones in the South Fork of the Eel River, California; the Rodgers Creek-Maacama fault system in the northern California Coast Ranges and its relation to the San Andreas fault; and the frequency and severity of destructive debris flows in the Pacific Northwest....

The first global high-resolution map of the boundary between Earth’s crust and mantle – the Moho – has been produced based on data from ESA’s GOCE gravity satellite. Understanding the Moho will offer new clues into the dynamics of Earth’s interior. Earth’s crust is the outermost solid shell of our planet. Even though it makes up less than 1% of the volume of the planet, the crust is exceptionally important not just because we live on it, but because is the place where all our...

TORONTO, March 5, 2012 /PRNewswire/ -- Ring of Fire Resources Inc. (the "Company") (TSX-V: ROF, FRANKFURT: RG5, OTC.PK: HWKPF) is pleased to announce additional results from its current drilling program have confirmed that the width in the western part of the Kingsmill Nickel Body is approximately 400m. Investors are reminded that effective Wednesday, March 7, 2012, the Company's name and trading symbol on the TSX Venture Exchange will change to "Noble Mineral Exploration Inc....

SALT LAKE CITY, March 5, 2012 /PRNewswire/ -- Boart Longyear (www.BoartLongyear.com - ASX: BLY), the world's leading integrated drilling products and services provider, continues to bring innovative technology to the marketplace by launching the LS(TM)600 sonic rig, support vehicle and sonic tooling. Providing advanced sonic drill technology with innovative and patented designs, the LS600 rig delivers more accurate core sampling, less than one-percent hole deviation, reduced...

HOUSTON, March 5, 2012 /PRNewswire/ -- INOVA Geophysical announced today the release of G3i(TM), a highly flexible and rugged land recording system. The mega channel recording system offers the industry a highly-portable technology that provides support for conducting a wide range of land seismic surveys, including high density wide azimuth acquisition for the world's most challenging environments. (Photo: http://photos.prnewswire.com/prnh/20120305/DA63788 ) Based on years of...

NEW YORK, March 2, 2012 /PRNewswire/ -- Mustang Alliances Inc. (OTCBB: MSTG) ("Mustang") is pleased to announce the details of the current exploration program being conducted on its concessions in Honduras. Since acquiring the concessions, the company has conducted mapping and sampling, collecting over 100 surface and near-surface samples, and compiling historical dilling data which includes over 1,800 meters of drilling to depths ranging up to 125 meters. During 2011, Mustang...

MIDLAND, Texas, March 2, 2012 /PRNewswire/ -- Stephen Jumper, President and Chief Executive Officer of Dawson Geophysical Company (NASDAQ: DWSN) (the "Company"), is scheduled to present at the Raymond James 33rd Annual Institutional Investors Conference on Wednesday, March 7, in Orlando, beginning at 8:05 a.m. Eastern Time. A live webcast of Mr. Jumper's presentation can be accessed at http://www.dawson3d.com and will be archived on the Company's web site for 7 days. The live...

A new twist to a 50 million-year-old tale Fifty million years ago, India slammed into Eurasia, a collision that gave rise to the tallest landforms on the planet, the Himalaya Mountains and the Tibetan Plateau. India and Eurasia continue to converge today, though at an ever-slowing pace. University of Michigan geomorphologist and geophysicist Marin Clark wanted to know when this motion will end and why. She conducted a study that led to surprising findings that could add a new wrinkle to...

TSX:V- "SQA" 12g3-2(b): 82-2062 Shares Issued - 26,037,499 Feb. 27, 2012 close: $0.215 ETOBICOKE, ON, Feb. 28, 2012 /PRNewswire/ - Stina Resources Limited ("the Company") announces results from its 2011 exploration program on the Kodiak Property in the Dawson Mining District, Yukon Territory, located 15 km south of the White Gold deposit of Kinross Gold Corporation. The 2011 program consisted of a 345 line kilometre airborne magnetic and radiometric geophysical survey across the...

Seawater circulation pumps hydrogen and boron into the oceanic plates that make up the seafloor, and some of this seawater remains trapped as the plates descend into the mantle at areas called subduction zones. By analyzing samples of submarine volcanic glass near one of these areas, scientists found unexpected changes in isotopes of hydrogen and boron from the deep mantle. They expected to see the isotope "fingerprint" of seawater. But in volcanoes from the Manus Basin they also discovered...