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Posts treating: "Earth"

Thursday, 14 July 2016

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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  (34 visits) info

 US
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  (15 visits) info

 US
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  (30 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  (19 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  (48 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  (52 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  (43 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  (95 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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Earth Science Week 2016: 8th – 16th October 

Geological Society of London blog [2016-05-27 16:22:01]  recommend  recommend this post  (35 visits) info

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This year’s Earth Science Week is still more than four months away, but we’re already making plans! A 9 day long celebration of the geology all around us in the UK and Ireland, Earth Science Week is an opportunity for museums … Continue reading

May's Readers Choice o' The Geoblogosphere! 

Rosetta Stones [2016-05-25 06:00:00]  recommend  recommend this post  (19 visits) info
Come see which geoblogosphere discoveries readers chose to share! Much delicious geology within: -- Read more on ScientificAmerican.com

Magnificent Mount St. Helens Eruption Photos III 

Rosetta Stones [2016-05-24 06:00:00]  recommend  recommend this post  (18 visits) info

 US
Welcome to the third edition of our trek through the USGS photographic database! I'm serving up yet more delectable photos of Mount St. Helens's spectacular 1980 awakening. Enjoy! -- Read more on ScientificAmerican.com

Plastiglomerate: the first stone that is 100 percent human in origin 

Friends of the Pleistocene [2016-05-21 20:12:03]  recommend  recommend this post  (36 visits) info

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The combination of plastic and campfires has formed a wholly new sedimentary rock recently dubbed “plastiglomerate” by the geologist-artist collaborative field study team of Patricia L. Corcoran, Dept. of Earth Sciences, University of Western Ontario; Charles J. Moore, Algalita Marine Research Institute, Long Beach, California; Kelly Jazvac, Dept. of Visual Arts, University of Western Ontario. The new stone

Van Allen Probes reveal long-term behavior of Earth’s ring current 

AGU Meetings [2016-05-19 19:46:40]  recommend  recommend this post  (17 visits) info
New findings based on a year’s worth of observations from NASA’s Van Allen Probes have revealed that the ring current — an electrical current carried by energetic ions that encircles our planet — behaves in a much different way than previously

Thirty-Six Years Ago Today: Mount St. Helens 

Rosetta Stones [2016-05-18 06:00:00]  recommend  recommend this post  (16 visits) info

 US
It's the thirty-sixth anniversary of the eruption of Mount St. Helens. Please take a moment to remember those who died that beautiful May morning, and to appreciate the power of a volcano to change... -- Read more on ScientificAmerican.com

New videos for Monday morning: an earth mover get caught in a landslide and a debris flow from the Himalayas 

The Landslide Blog [2016-05-16 09:05:21]  recommend  recommend this post  (45 visits) info
Two new videos have appeared on Youtube, one showing an earthmover destroyed by a landslide and the other a Himalayan debris

Mount St. Helens is Recharging! 

Rosetta Stones [2016-05-10 12:00:00]  recommend  recommend this post  (51 visits) info

 US
Recent seismic swarms under Mount St. Helens show she's recharging her magma chamber. So why am I disappointed? -- Read more on ScientificAmerican.com

Where No Maps Have Gone Before! 

Rosetta Stones [2016-05-09 10:00:00]  recommend  recommend this post  (15 visits) info
There's something wonderfully thrilling about geologic maps of places we've never mapped that way before! Scientists recently mapped a brand-new island and produced a beautifully-detailed map of... -- Read more on ScientificAmerican.com
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