June 20, 2018
Mineral Resource of the Month: Iron Oxide Pigments
Michael J. Potter, mineral commodity specialist for the U.S. Geological Survey, has compiled the following information on iron oxide pigments. …
The EARTH archive
December 2008
Explore the archive by subject.
13 articles · Page 1 of 1
June 20, 2018
Energy Notes: August 2007-2008
U.S. Oil & Petroleum Imports (millions of barrels per day) Oil and petroleum imports data are preliminary numbers taken from the American …
May 23, 2018
Down to Earth With: Maurice J. 'Ric' Terman
A general wants to advance his army of tanks, but doesn’t know if the terrain he plans to cross will allow it. Tanks can’t go up steep slopes, …
January 5, 2012
Travels in Geology: Australia's wonders, from ocean to desert
Australia, both a country and a continent, has geological wonders as strange and unique as the furry marsupials that inhabit the Land Down Under. …
January 5, 2012
Swarm of earthquakes rattles Yellowstone
An abnormally high number of earthquakes has shaken up Yellowstone National Park in the past week. Since Friday, a “swarm” of more than 250 …
January 5, 2012
Minerals also evolve
Taxonomy, the science of classification, connects creatures through genealogical relationships. But taxonomist Carl Linné (Linnaeus) didn't stop …
January 5, 2012
EIA: Worldwide oil demand will plummet in 2009
Blogging on EARTH The Department of Energy’s Energy Information Administration is projecting that the global demand for oil will plummet even …
January 5, 2012
Benchmarks: December 3, 1984: Bhopal gas leak kills thousands
On Dec. 3, 1984, Aziza Sultan woke to the sound of coughing. When she opened her eyes, she could see that the room was filled with a white haze. …
January 5, 2012
AGU: Mount St. Helens has gone back to sleep
SAN FRANCISCO — After more than three and a half years of continuous eruption, Mount St. Helens in Washington quieted earlier this year. …
January 5, 2012
AGU: How scientists should talk climate change
Blogging on EARTH SAN FRANCISCO — The Intergovernmental Panel on Climate Change's Fourth Assessment report last year showed a strong consensus …
January 5, 2012
AGU: Colorado ski industry owes Great Salt Lake thank you note
SAN FRANCISCO — Colorado skiers have long suspected that snowfall is fluffiest when winds blow salt and dust eastward from the Great Salt Lake in …
January 5, 2012
AGU: Climate science report questions likelihood of abrupt climate change
SAN FRANCISCO — A new U.S. Climate Change Science Program report states that abrupt climate change is unlikely to happen over the next century, …
January 5, 2012
AGU: Aloha, magma! Geothermal engineers drill into surprising lava
SAN FRANCISCO — While drilling deep into Earth, geothermal engineers struck geological gold, opening a never-before-seen window into a classic …