June 19, 2018
Energy Notes: April 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
August 2012
Explore the archive by subject.
17 articles · Page 1 of 1
June 13, 2018
Mineral Resource of the Month: Hydraulic Cement
Hendrik G. van Oss, a mineral commodity specialist for the U.S. Geological Survey, compiled the following information on hydraulic cement, a key …
June 6, 2018
Travels in Geology: Lake Tahoe Jewel of the Sierra Nevada
With a rich geological and cultural history, and ample hiking, camping and sightseeing opportunities, Lake Tahoe is one of most popular vacation …
June 6, 2018
Getting There and Getting Around Nevada
Getting to Lake Tahoe from the major airports in Sacramento, Calif., and Reno, Nev., is fairly easy. From Sacramento, it is about a two-hour …
August 23, 2016
Benchmarks: August 24, 1873: The Mount of the Holy Cross is found, photographed and mapped
The rumors had persisted for decades, some said for centuries. Deep in the Colorado Rockies was a mystical mountain. Upon the face of a towering …
January 13, 2015
Down to Earth With: Volcanologist John Eichelberger
The 2010 eruption of Iceland’s Eyjafjallajökull showed that volcanic hazards are blind to international borders. After the eruption ended and air …
August 17, 2012
The Syracuse University lava experiments
Pouring Lava Melting a batch of the ancient basalt takes about four hours, but we hold the lava above its melting point for much longer to ensure …
August 17, 2012
Do–it–yourself lava flows: Science, art and education in the Syracuse University Lava Project
Picture this: You’re walking across the tree-lined quad of Syracuse University, amid brick and stone buildings, when you happen upon a crowd of …
August 6, 2012
Bare Earth Elements: Let the real Curiosity begin
This has been a year of scientific milestones. In just the last few months, we have witnessed the first successful launch of a privately built …
August 6, 2012
Hazardous Living: Watching Curiosity land safely was exhilarating
Sometimes humanity accomplishes something absolutely awesome. Tonight was one of those nights. We put another rover on Mars — by far the most …
August 2, 2012
Blogging on EARTH: Curious to watch Curiosity land on Mars?
Sunday night will bring excitement to households around the world, not only because of the Olympics (and the GEOlympics), but also because the …
July 23, 2012
On the web: Shake, rattle and roll: What does an earthquake sound like?
The sounds we associate with earthquakes tend to be those induced aboveground. Low-pitched rumbles, rattling windows and car alarms might be …
July 20, 2012
How the school of rock came to be
In the late 1950s, a growing interest in better understanding the structure and composition of Earth resulted in the creation of the …
July 20, 2012
Trash-to-treasure: Turning nonrecycled waste into low-carbon fuel
Americans produce more than four pounds of trash per person per day, amounting to 20 percent of the world’s waste. Although recycling rates have …
July 20, 2012
School of rock: Educating educators at sea
Many things come to mind when you hear the words “School of Rock”: a bad Jack Black flick, the middle school band you were in, the guitar school …
July 20, 2012
2012: The end of the world or just another year of living in harm's way?
We live on a knife-edge, separated from an ocean of super-heated rock by a wafer-thin and perpetually rupturing crust, swinging our way through a …
June 6, 2012
Voices: Italian quakes and deaths point to industrial facilities as death traps
On May 29, eighteen people died in northern Italy when a magnitude-5.8 earthquake struck near the town of Mirandola. Arguably, these deaths were …