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Debris basins and signals in sedimentary landscapes

I recently submitted a review paper along with four co-authors on the topic of signal propagation in sedimentary systems across timescales. The idea that landscapes contain within them information about controls such as tectonics and climate has been a part of our science for a very long time. But, recent advances in the measurement/calculation of rates […]

Lunar Eclipse of October 8: The "Blood Moon"

Somehow I woke up, managed to remember that a lunar eclipse was happening, and staggered outside to snap a large number of badly focused pictures, and caught just a few of this morning's lunar eclipse. This eclipse is described as a "Blood Moon" because a bit of the red from sunrises around the Earth are refracting onto the Moon's surface. Show More Summary

Geologists: The Cowboys of Science

A colleague of my former (deceased) husband once said, "Archaeologists are the Cowboys of Science." (I don't know if he actually said it in Capital Letters like that, but that's how it came across to me.) DH disagreed and said, "No, Geologists are the Cowboys of Science. Show More Summary

Researcher receives $1.2 million to create real-time seismic imaging system

Dr. WenZhan Song, a professor in the Department of Computer Science at Georgia State University, has received a four-year, $1.2 million grant from the National Science Foundation to create a real-time seismic imaging system using ambient noise.

The Sequoia Underground: An Exploration of Crystal Cave

It's true that Crystal Cave in Sequoia National Park can hardly be described as a wild cave. Since its discovery in 1918 and its development as a park attraction in 1940, the cave has been visited by more than a million people. Dynamite...Show More Summary

The Hazards of Field Work: Distraction by Cuteness

Okay, maybe this one wasn't cute... The perils of teaching in the field are paramount and legion: attacks by killer bees, mosquito bites, falling off cliffs, sunburn, and multitudes of other hazards. But there is something visceral with coming face to face with an animal that is capable of killing you with a swat of its claw. Show More Summary

2015 DOE JGI's science portfolio delves deeper into the Earth's data mine

In selecting 32 new projects with samples from diverse environments for the 2015 Community Science Program (CSP), the Department of Energy Joint Genome Institute shifts 'from solving an organism's genome sequence to enabling an understanding...Show More Summary

Northern Convergence: The Incredible Lakes and Glaciers of Banff National Park

Moraine Lake in Banff National Park. Beautiful, but crowded! It's tourist central, along with nearby Lake Louise. So...what do you get when you take incredibly thick layers of limestone, sandstone and shale that were deposited on the...Show More Summary

Snail shells show high-rise plateau is much lower than it used to be

Geologists have long debated when and how the Tibetan Plateau reached a 14,000-foot-plus elevation, but new research shows it once was probably several thousand feet higher.

Early Snow in the Sierra Nevada! During a field trip, of course.

Snow-capped peaks above Hope Valley What a difference a week can make! Seven days ago I was in the Owens Valley and eastern Sierra Nevada, and though we got a bit of inclement weather, it was a warm storm, and we were barely inconvenienced. Show More Summary

Magnitude 3.4 earthquake near Miami, Arizona

There was a magnitude 3.4 earthquake on Sept. 20, 17 miles NNW of Miami and 63 miles east of Phoenix, at 1:03 p.m. [Right, the orange star marks the epicenter. Credit USGS]

What set the Earth's plates in motion?

Professor Patrice Rey, from the University of Sydney's School of Geoscience, and his colleagues have a new explanation for the origin of plate tectonics.

Shaking Things Up in Mammoth Lakes: Hundreds of Earthquakes in 24 Hours

Source: These things seem to happen whenever I have just left a place. I was in Mammoth Lakes only a week ago. There have been upwards of a thousand earthquakes in the last 24 hours or so. Show More Summary

A Gallery of Sierra Nevada Scenes: Part II

Alabama Hills near Movie Flats I picked out some more scenes from our recent field studies class in the eastern Sierra Nevada and Owens Valley. Above, the Alabama Hills expose granitic rock essentially similar to that of the rugged high Sierra. Show More Summary

The Las Aromas serpentinite

The southern edge of the Piedmont Pines neighborhood butts against Joaquin Miller Park, and there’s no reason to visit if you don’t happen to live there—except if you like serpentinite. The street named Las Aromas dips into the belt of serpentinite that extends up and over the ridge to Serpentine Prairie, and the rock type […]

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