June 19, 2018
Energy Notes: March 2012-2013
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
July 2013
Explore the archive by subject.
22 articles · Page 1 of 1
June 13, 2018
Mineral Resource of the Month: Bismuth
James F. Carlin, Jr., a mineral commodity specialist for the U.S. Geological Survey, compiled the following information about bismuth, an …
May 24, 2018
Travels in Geology: The Canary Islands: Touring the "Hawaii of Europe"
I was standing on top of the world. No matter which direction I looked, steep cinder slopes dropped away sharply, merging with the thick white …
May 24, 2018
Mass wasting
Like all volcanic islands, Tenerife represents a balance between constructional and erosional forces. Over millions of years, repeated eruptions …
May 24, 2018
Getting There and Getting Around Spain
Two airports serve Tenerife, which is a 2.5-hour plane ride away from Spain’s capital, Madrid. Most inter-island flights, plus those from …
December 16, 2014
Down to Earth With: Anna Henderson
Politicians and pundits communicate with talking points. In Washington, D.C., a catchy sound bite often trumps a filibustering speech, and a …
September 11, 2014
July 28, 1996: Kennewick man is discovered
On the evening of July 28, 1996, archaeologist James Chatters received an unexpected call at his home in Richland, Wash., from the local coroner. …
July 24, 2013
Blogging on EARTH: A letter from field camp
Bryce Mitsunaga, a recent graduate of Williams College in Williamstown, Mass., is currently attending field camp at the Yellowstone-Bighorn …
July 19, 2013
Getting there and getting around in Cuba
Because of the U.S. embargo against Cuba, U.S. citizens must go through a travel agency licensed by the U.S. Treasury Department that provides …
July 19, 2013
Mediterranean mammals migrated prior to the Messinian Salinity Crisis
The people of the Iberian Peninsula and North Africa share a long and complicated history, evident in culinary and genetic similarities, due in …
July 19, 2013
Travels in Geology: Journeying through Cuba's geology and culture
It’s not every day that you get the chance to go to Cuba, so when I found out that the Association for Women Geoscientists (AWG) was offering an …
July 19, 2013
Location, Location, Location
Although field camps based east of the Mississippi River do exist, and a handful of American schools run camps abroad in places like Ireland, …
July 19, 2013
Home sweet home for field campers
With a few exceptions — including available meal choices and entertainment options for when students have limited free time — accommodations at …
July 19, 2013
Mapping field camp's past and present: Exploring a mainstay of geoscience education
Every spring, troops of geoscience students set out to observe firsthand the minerals, rocks, folds, faults, unconformities, ore bodies and other …
July 16, 2013
Bare Earth Elements: The field camp experience in photos
For the August issue of EARTH, I wrote about some of the ways in which geology's longstanding rite of passage — field camp — has changed over the …
July 16, 2013
Alaskan volcano doesn't just huff and puff, it screams
In March 2009, Alaska’s Mount Redoubt awoke from two decades of silence with something to say: A series of small earthquakes leading up to the …
July 15, 2013
Map provides clues to natural protection of U.S. coastal communities
Devastating storms like Hurricanes Sandy and Katrina have left many coastal residents wondering how to protect life and property from future …
July 1, 2013
Ancient Egyptian artifact is otherworldly
In ancient Egypt, iron was a rare and symbolic metal, but scientists and historians have long wondered about the prehistoric civilization’s …
June 13, 2013
Corn syrup model splits Yellowstone's plume in two
Yellowstone is renowned for its hot springs, geysers and for hosting one of the world’s most volatile supervolcanoes. Despite its popularity, the …
June 13, 2013
Iowa impact crater confirmed
An airborne geophysical survey mapping mineral resources in the Midwest has confirmed that a 470-million-year-old impact crater nearly five times …
June 13, 2013
The energy-water nexus: Managing water in an energy-constrained world
Water can be tricky. With too little, crops die, industries move away, power plants fail, ecosystems suffer and people go thirsty. With too much, …
June 12, 2013
Droning on for science
Amid rolling green pastureland dotted with livestock and the occasional cluster of trees, Costa Rica’s imposing Volcán Turrialba rises 600 meters …