June 18, 2018
Energy Notes: October 2011-2012
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
February 2013
Explore the archive by subject.
14 articles · Page 1 of 1
June 13, 2018
Mineral Resource of the Month: Beryllium
Brian W. Jaskula, a mineral commodity specialist for the U.S. Geological Survey, compiled the following information on beryllium, which is used …
June 1, 2018
Travels in Geology: Abode of the clouds: A journey to Meghalaya, India
While most of India swelters through the hot monsoon season, which runs from approximately June through September, the picturesque town of …
June 1, 2018
Getting There and Getting Around India
Shillong is connected to the rest of India by regular flights from Kolkata (Calcutta) that fly into Gopinath Bordoloi Airport in Guwahati, …
September 25, 2015
Benchmarks: February 3, 1953: Jacques Cousteau's "The Silent World" is published, opening a window on the underwater world for millions
Few names are as evocative as Jacques Cousteau. The sunlight-infused blue glow of the marine subsurface, the endless array of otherworldly …
December 18, 2014
Down to Earth With: Terry Plank
“You’re a genius! Now here’s half a million dollars to use however you please.” That, in essence, was what geochemist and volcanologist Terry …
February 28, 2013
Sahara dust brings rain and snow to California
What triggers the mountain rain and snow that are vital to California’s water and energy needs? The answer, according to new research, is blowing …
February 11, 2013
Setting sail on unknown seas: The past, present and future of species rafting
On June 5, 2012, several thousand castaways rode a massive boxcar-sized dock to landfall on Oregon’s Agate Beach, just north of Newport. A plaque …
February 6, 2013
Bare Earth Elements: Voices from GSA 2012
Glimpsing the lighter side of a conference Last November, I attended the Geological Society of America’s annual meeting in Charlotte, N.C. While …
January 2, 2013
Moon could have formed from Earth after all: Reviving and revising the giant impact theory
Scientists are revisiting the age-old question of how Earth’s moon formed. New models indicate that it could have been born from the Earth …
January 2, 2013
Drinking toilet water: The science (and psychology) of wastewater recycling
Would you drink water that came from a toilet? The imagery isn’t appealing. Even knowing that the water, once treated, may be cleaner than what …
January 2, 2013
How strong was the Carrington Event?
NASA has described the magnetic field of the coronal mass ejection (CME) associated with the 1859 Carrington Event, the largest solar storm ever …
January 2, 2013
The dangers of solar storms: That which gives power can also take it away
In last month’s issue of EARTH, we explored what is known about solar activity, the sun and its interaction with Earth. This month, we examine …
December 6, 2012
Two NASA spacecraft reveal ancient underground cracks from moon's formation
SAN FRANCISCO: The face of the moon has always enchanted humankind, but new data from a NASA mission have given scientists a glimpse of what lies …