June 19, 2018
Energy Notes: September 2010-2011
U.S. Oil & Petroleum Imports (millions of barrels per day) ' Oil and petroleum imports data are preliminary numbers taken from the American …
The EARTH archive
January 2012
Explore the archive by subject.
11 articles · Page 1 of 1
June 13, 2018
Mineral Resource of the Month: Rhenium
Désirée E. Polyak, a mineral commodity specialist for the U.S. Geological Survey, compiled the following information on rhenium, the last …
June 1, 2018
Travels in Geology: Utah: Exploring the scenic byways and slot canyons of Grand Staircase-Escalante National Monument
It’s no secret that the American Southwest harbors some of the most dramatic geology in the world. Although many visitors stick to the Grand …
June 1, 2018
Getting There and Getting Around southern Utah
To get to Grand Staircase-Escalante National Monument, fly into either Salt Lake City, Utah, or Las Vegas, Nev. By vehicle, the monument can be …
July 6, 2016
Benchmarks: January 3–5, 1982: 18,000 landslides wreak havoc on the San Francisco Bay area
When a storm battered California’s San Francisco Bay Area in early January 1982, the rain was intense, but not without precedent. The region had …
January 27, 2015
Down to Earth With: Lee Allison
_Editor’s Note: Lee Allison was head of the Arizona Geological Survey until his unexpected death on Aug. 16, 2016. EARTH interviewed him in 2012 …
November 25, 2013
Astronomy under the ice: Scientists use Antarctic ice to study some of the tiniest particles in the cosmos
Deep below the glacial surface at the South Pole, where the Antarctic ice is crystal clear yet pitch black, a 3-D array of more than 5,000 …
January 30, 2012
Dangerous dust: Erionite - an asbestos-like mineral causing a cancer epidemic in Turkey - is found in at least 13 states
As North Dakota’s state geologist, Ed Murphy has spent a fair amount of time mapping the geology of the Killdeer Mountains in the western part of …
January 24, 2012
Tracking plastic in the oceans
Despite worldwide efforts to curtail plastic use — to ban plastic grocery bags, to switch to reusable water bottles instead of disposable plastic …
January 23, 2012
Setting off a supervolcano
Supervolcanoes are one of nature’s most destructive forces, but given that there are no recorded observations of super-eruptions — the last …
January 23, 2012
Source code: the methane race
Ten years ago, John Eiler couldn’t convince anyone to build him his dream machine. He wanted a mass spectrometer that could measure the mass of …