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Posts treating: "Earth"

Monday, 26 September 2016

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Sandscapes of the Mid-Atlantic Ridge 

Through the Sandglass [2016-09-26 12:20:00]  recommend  recommend this post  (2 visits) info
I have just returned from an utterly memorable two weeks in the stunning, extraordinary, landscapes of Iceland. I have never seen anything quite like it. Iceland is, quite simply, unique - and wonderful. There will undoubtedly be further bulletins,

July/August Best o' the Geoblogosphere 

Rosetta Stones [2016-09-20 06:00:00]  recommend  recommend this post  (1 visit) info
Thrills! Chills! Exploding mountains! And some of the prettiest images of the Grand Canyon you ever did see -- Read more on ScientificAmerican.com

Mud Mountain Dam: Good Clean Fun! 

Rosetta Stones [2016-09-14 19:00:00]  recommend  recommend this post  info
Mud Mountain Dam is a fascinating, record-breaking earthen dam—and right on the way to one of our favorite volcanoes! -- Read more on ScientificAmerican.com

Please read this 

Through the Sandglass [2016-09-02 16:01:01]  recommend  recommend this post  info
Erik Klemetti is an assistant professor of Geosciences at Ohio's Denison University and he writes Eruptions, a blog about all things volcanic for Wired. A few days ago, he put up the following which I sincerely hope will be

Discovering the Discovery Lab! Seattle's Burke Museum, Part 3 

Rosetta Stones [2016-08-24 06:00:00]  recommend  recommend this post  (19 visits) info
Today, we visit the Discovery Lab at the Burke Museum and get to act like a bunch of exploring kids! -- Read more on ScientificAmerican.com

Cascades, Volcanoes and Fantastic Fossils! Seattle's Burke Museum, Part 2 

Rosetta Stones [2016-08-04 06:00:00]  recommend  recommend this post  (2 visits) info
Welcome to the second leg of our Burke Museum visit! In this one we get to meet a very awesome sabre kitty, enjoy some of the prettiest rocks and fossils ever, and lie in the center of a volcano -- Read more on ScientificAmerican.com

Gemstones and Dinosaurs--Oh My! Seattle's Burke Museum, Part 1 

Rosetta Stones [2016-07-31 06:00:00]  recommend  recommend this post  (1 visit) info
Visiting Seattle with kids? Want geology? In this installment of our occasional series on the subject, we're visiting Burke Museum, which has got plenty of hands-on geology and paleontology for the... -- Read more on ScientificAmerican.com

"No one actually studies sand" - misconceptions and science literacy 

Through the Sandglass [2016-07-29 15:50:30]  recommend  recommend this post  (74 visits) info
For one reason or another (likely to be discussed in a future post), I have been working on an essay that attempts to address cross-cultural aspects of viewing and valuing the land and reviews the potential implications for learning

What Kind of Rock Would You Be? 

Rosetta Stones [2016-07-24 18:00:00]  recommend  recommend this post  (2 visits) info
A bit ago, I had my En Tequila Es Verdad readers ask some simple geology questions, and they delivered! This is the first in a long series of reader-inspired posts exploring the lighter side of... -- Read more on ScientificAmerican.com

June Best o' the Geoblogosphere 

Rosetta Stones [2016-07-14 06:00:00]  recommend  recommend this post  info
June was a great month on the geoblogs. Come check out the best—and see how your favorite geoblog post can be featured here! -- Read more on ScientificAmerican.com

Magnificent Mount St. Helens Photos, Part 4 

Rosetta Stones [2016-06-29 04:00:00]  recommend  recommend this post  (45 visits) info

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Ready for a trio of gorgeous Mount St. Helens photos? Of course you are! -- Read more on ScientificAmerican.com

Help Save the Arizona Geological Survey 

Rosetta Stones [2016-06-20 06:00:00]  recommend  recommend this post  (16 visits) info

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The Arizona Geological Survey's budget has been slashed by the state's short-sighted government. There are as many reasons to save the agency as there are geological wonders, riches, and hazards in... -- Read more on ScientificAmerican.com

The Hawai'i That Was: The Beginning of All Things, (Ba)salt of the Earth 

Geotripper [2016-06-20 00:46:00]  recommend  recommend this post  (39 visits) info

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There are lots of places that are associated with a particular kind of rock. There's the granite of the Sierra Nevada, or the sandstone of Zion National Park. Geologists think Franciscan graywacke sandstone when someone mentions the California Coast Ranges. But nearly every mainland location is really made of a variety of different rocks. That's not the case with the Hawaiian Islands. There

Dealing With Volcanoes in 6 Easy Steps 

Rosetta Stones [2016-06-16 06:00:00]  recommend  recommend this post  (20 visits) info
A quick and simple guide to dealing with the potentially dangerous mountains in your vicinity. -- Read more on ScientificAmerican.com

The Carbon Vault 

State of the Planet [2016-06-10 20:41:48]  recommend  recommend this post  (51 visits) info
  The skin of the Earth is the color of tar, Ridged, freshly healed like the seams of a scar. Through salt-spattered sky, a gray-winged gull sails; Steam gently rises, the island exhales.   A power plant rests on porous basalt, In spaces beneath, a dark final vault. Carbon is cached with a strong crystal... read

From Earth to Enigma 

Geological Society of London blog [2016-06-10 18:59:51]  recommend  recommend this post  (55 visits) info
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For fans of geology and art crossovers, Karen Picton is exhibiting until June 19th at The Stone Space Gallery, with a Meet the Artist day on Saturday 11th June. Continue reading

In the Path of Destruction XII: From a Distance 

Rosetta Stones [2016-06-09 06:00:00]  recommend  recommend this post  info
I'm blogging Richard Waitt's excellent book about the May 18, 1980 eruption as I read it. Join me for more In the Path of Destruction goodness! And pick up your own copy at the link below. -- Read more on ScientificAmerican.com

Monday's Minor Mystery Solved Pretty Quickly: Poles with no Shadows in Hawai'i 

Geotripper [2016-06-02 10:08:00]  recommend  recommend this post  (50 visits) info
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You can't mystify scientists of the Earth with questions of latitude. I had numerous answers pretty darn quick about why this stop sign reveals my location. The sign pole is casting no shadow! The only way that can happen is if the sun is directly overhead, and that can only happen if one is within 23 degrees of the equator, and only at noon. I have never thought to seek such a picture on

Map: Thickness Of The Crust 

Reporting on a Revolution [2016-05-30 11:42:00]  recommend  recommend this post  (133 visits) info

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A ten km contour interval? Well yes, if  you are mapping the thickness of the earth's crust! This map brings out beautifully the distribution of the two distinct types of crust on earth. Crust making up the continents is granitic to andesitic in composition, buoyant and is old. Crust making up the ocean basins is mafic in composition, gravitationally unstable (it is heavier and it subducts)

Earth from Space: Chile’s salt flat 

Gunnars Geo-Blog [2016-05-27 19:39:00]  recommend  recommend this post  (33 visits) info
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