Latest Andesite Stories

2013-12-20 10:18:03

GSA Bulletin articles posted online ahead of print on 6 and 13 December 2013 cover earthquake hazards of the Santa Barbara suburban area; apatite and the skeletons of early animals; the peculiar geological features of Faial (Azores, Portugal); the nature of Mount Rainier; the origin of Pearya terrane, Canada; a re-interpretation of the Chilhowee Group of the Appalachian Blue Ridge; and more. Authors hale from the U.S., Italy, South Africa, and Canada. GSA Bulletin articles published ahead...

2010-08-03 09:20:21

A new study has found that a mixing of two different types of magma is the key to the historic eruptions of Mount Hood, Oregon's tallest mountain, and that eruptions often happen in a relatively short time "“ weeks or months "“ after this mixing occurs. This behavior is somewhat different than that of most other Cascade Range volcanoes, researchers said, including Mount Hood's nearby, more explosive neighbor, Mount St. Helens. The research is being reported this week in Nature...

2009-01-15 20:00:00

VANCOUVER, Jan. 15 /PRNewswire-FirstCall/ - Entree Gold Inc. (TSX:ETG; AMEX:EGI; Frankfurt:EKA - "Entree" or the "Company") announces the discovery of porphyry copper-gold mineralization on its Lordsburg property. This is the first time porphyry-style mineralization has been found in this region of New Mexico, previously known only for high grade vein deposits. The Lordsburg area will be the focus of follow-up work in 2009. Greg Crowe, President and CEO of Entree Gold stated, "This new...

2009-01-08 14:30:00

Two meteorites found in Antarctica are from an asteroid with an outer layer or crust similar to the Earth's continents, U.S. scientists said Thursday. The finding is the first from an asteroid with an Earthlike crust, the University of Maryland geochemists and other researchers reported in the journal Nature. The discovery also represents the oldest example of rock with this composition ever found, they said. The meteorites point to previously unrecognized diversity of materials formed early...

2009-01-08 12:35:00

Two rare meteorites found in Antarctica two years ago are from a previously unknown, ancient asteroid with an outer layer or crust similar in composition to the crust of Earth's continents, reports a research team primarily composed of geochemists from the University of Maryland.Published in the January 8 issue of the journal Nature, this is the first ever finding of material from an asteroid with a crust like Earth's. The discovery also represents the oldest example of rock with this...

Word of the Day
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'