June 20, 2018
Energy Notes: April 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
August 2011
Explore the archive by subject.
19 articles · Page 1 of 1
June 14, 2018
Mineral Resource of the Month: Gypsum
Robert D. Crangle Jr., mineral commodity specialist for the U.S. Geological Survey, compiled the following information on gypsum, an essential …
June 7, 2018
Travels in Geology: Australia's Blue Mountains Delight the Senses
Australia has a lot to offer when it comes to geology, but you don’t have to venture as far inland as the famed Ayers Rock to see spectacular …
June 7, 2018
Getting There and Getting Around The Blue Mountains National Park
The Blue Mountains National Park is about 100 kilometers west of Sydney. It is accessible by highway via the M4 Motorway and the Great Western …
July 6, 2016
Benchmarks: August 1576: False gold found in Meta Incognita
Three small boats set sail westward from London on June 7, 1576. Their goal: Find a northwest passage across the Arctic to Cathay, or China. A …
January 27, 2015
Down to Earth With: Deanna D'Alessandro
Deanna D’Alessandro, a chemist at the University of Sydney in Australia, is working on a new material that may make it cheaper and easier to …
January 20, 2012
Voices: A growing need for geoscience diplomacy
“I have come here to seek a new beginning between the United States and Muslims around the world … we have a responsibility to join together on …
January 20, 2012
Geologic Column: Snow globes, light shows and t-shirts
It seemed like a simple question. “What do you think the most commercialized geologic site is?” My curiosity had been piqued by a trip through …
January 5, 2012
When the dust settles: Investigating lingering health questions 10 years after 9/11
Five days after the Twin Towers collapsed, two geoscientists boarded a plane from Denver to New York City. They were part of a team that would …
January 5, 2012
TV: Discovery Channel grows more curious
At first, it is difficult to distinguish the Discovery Channel’s new show “Curiosity” — in which celebrity-scientists and science-oriented …
January 5, 2012
Travels in Geology: Twin coral reefs separated in time in Western Australia
In Western Australia, you can visit two unusually accessible coral reefs. Although they look similar enough to be fraternal twins, these reefs …
January 5, 2012
Travels in Geology: Glacial pools to sea caves: A tour of New Zealand's South Island
New Zealand has a reputation for extreme adventure — sky diving, jet boating, bungee jumping and even “zorbing,” which sends you rolling down a …
January 5, 2012
Thinking outside the rocks in the search for ancient earthquakes
The eyewitness accounts, written in columns from right to left, top to bottom, testify that there was no warning of the tsunami, no shaking to …
January 5, 2012
Is there really a minerals crisis?
China sent the high-tech industry and markets reeling last September when it blocked exports of raw rare earth minerals to Japan. In mid-October …
January 5, 2012
Great Lakes geologic sunken treasure
The Great Lakes hold the secrets of hundreds of ill-fated voyages in their notoriously treacherous waters. Shipwreck enthusiasts find a bounty of …
January 5, 2012
CryoScoop: Ice islands and a new Antarctic map
EARTH magazine bloggers already delve into natural hazards, paleontology, water and everything in between. Now each week I’ll be adding to …
January 5, 2012
CryoScoop: Green Light to McMurdo
Polar scientists breathed a sigh of relief yesterday as the good news reached inboxes: Icebreaking capability was restored to McMurdo Station, …
January 5, 2012
Blogging on EARTH: The lighter side of geo-jargon
Sometimes in this world, we just need a little levity. I was recently inspired by the great haboob that swept through Phoenix in July. Haboob. …
January 5, 2012
A day without Glory
On a warm afternoon in early March, the Taurus XL rocket that was prepped for launch at Vandenberg Air Force Base in Southern California looked …