Geobulletin alpha

News from the Geoblogosphere feed

by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Posts treating: "time"

Monday, 03 August 2015

sort by: date | clicks

Stuff we linked to on Twitter last week 

Highly Allochthonous [2015-08-03 04:21:50]  recommend  recommend this post  (22 visits) info
It's time to dust off the blog, but let's ease into it by renewing our committment to sharing all of the interesting things we see on Twitter every 7 days. Here's a global roundup. Continue reading

Friday fold: a return to the duplex structure in the Gastropod Limestone 

Mountain Beltway [2015-07-31 14:07:23]  recommend  recommend this post  (44 visits) info

 Cretaceous; US
Some time ago, I featured as Friday fold the extraordinarily complex duplex structure to be seen in the Cretaceous “gastropod limestone” member of the Kootenai Formation at Sandy Hollow, Montana. Today, let’s take a deeper look through a couple of hand-shot GigaPan images: Here’s the bigger of the two: link Here’s one with students for scale:

El Nino fights the good fight 

Ontario-geofish [2015-07-29 14:56:00]  recommend  recommend this post  (29 visits) info

 GB
img
This is a screen shot of the ocean currents.  El Nino is fighting the prevailing currents.  It could actually die right here, like last time.  If it makes it, it will deflect up and down like the second half which shows how the Atlantic current deflects up and saves Great Britain. None of these currents are tremendously stable over centuries.  That's what makes up warm and cold spells.

Trilobites from the Kalkberg formation of New York 

Views of the Mahantango [2015-07-29 09:01:00]  recommend  recommend this post  (23 visits) info

 Devonian; DE,RU,US
img
I have not found too many trilobite fossils in my limited searching of the Kalkberg formation but I did find pieces of two different species.The first are these free cheeks from Acidaspis tuberculatus. Note the knobby extensions that are spaced along the edge of the genal spine up to where the cheek attached to the rest of the cephalon.The other, major piece of trilobite that I found was this thorax-pygidium combo from what I believe was a Paciphacops logani.  I was very excited when I [...]

Melting drones on Vanuatu – Amazing footage from an active volcano 

The Way of the Geophysicist [2015-07-28 13:16:24]  recommend  recommend this post  (28 visits) info

 VU
Reading Time: 2 minutesRecent advances in technology have made drones available to the general public. And as nerds go, they have found brilliant ways to use these. Flying a drone with a camera into a volcano is one of them. See this video from Marum, Vanuatu. Sam Crossman doesn’t see himself as a scientist. He’s an explorer. However,

Mark Your Calendars for these events happening at HMNS 7/27-8/2 

BEYONDbones [2015-07-27 03:00:00]  recommend  recommend this post  info
Bust out your planners, calendars, and PDAs (if you are throwback like that), it’s time to mark your calendars for the HMNS events of this week!  Rocket Day At The George Observatory!Saturday, August 110:00 a.m. – 12:00 p.mBring your junior … Continue reading

How would Arizona handle a major earthquake in California? 

Arizona Geology [2015-07-26 20:21:00]  recommend  recommend this post  (49 visits) info

 US
img
<!--[if gte mso 9]> <![endif]-->We recently got an inquiry referencing a blog post I did some time back about whether Californians might stream into Arizona looking for shelter and assistance if a major earthquake strikes that area. We turned to our colleagues at the Arizona Division of Emergency Management and Mariano Gonzalez, Jr., State Plan Coordinator, provided this information

More books 

Mountain Beltway [2015-07-25 14:20:32]  recommend  recommend this post  (39 visits) info
I am way, way, way behind in reporting on the books I’ve read. As time goes by, the list gets longer, and the “book report” more daunting… So I’m going to do a brief book report in hopes of clearing out the backlog: What if? by Randall Munroe Really entertaining scientific answers to ridiculous questions, by the cartoonist author of XKCD. Highly recommended. Unique. The Owl Who Liked Sitting on

2015 GSA Session “Estimating the Timing and Characteristics of Continental Earthquakes from Geologic Data” 

paleoseismicity.org [2015-07-22 21:11:33]  recommend  recommend this post  (34 visits) info

 US
The 2015 GSA Annual Meeting will be held in early November in Baltimore and since the deadline is approaching (11 August) it is time to check paleoseismology sessions. One of the many interesting sessions will be chaired by our colleagues Mark Quigley and Tim Stahl: “T186 – Estimating the Timing and Characteristics of Continental Earthquakes from Geologic Data”. Tim told me that there will be “some great invited speakers lined up speaking on paleoliquefaction, lake varve [...]

Head for the Hills 

State of the Planet [2015-07-21 21:21:49]  recommend  recommend this post  (30 visits) info
While we spent much of our time examining corals and swamps, studying sea level and storms, we became fascinated by a simple question: How did the hills of Exuma

Getting back on the grid 

Arizona Geology [2015-07-20 04:25:00]  recommend  recommend this post  (30 visits) info

 US
img
We're back in Tucson and connected to the rest of the world online after a brief sojourn to the family cabin in northwest Wyoming.   My first time off in 14 months came after completing major deliverables for our two biggest funded projects due at the end of June. The drive took us along the section of US89A rebuilt and recently reopened after a massive landslide took out a section of the

Mark Your Calendars for these events happening at HMNS 7/20-7/26 

BEYONDbones [2015-07-20 03:00:45]  recommend  recommend this post  (9 visits) info
Bust out your planners, calendars, and PDAs (if you are throwback like that), it’s time to mark your calendars for the HMNS events of this week!  Lecture – Speaking In Bones By Kathy ReichsTuesday, July 216:30 p.m.As a practicing forensic … Continue reading

Geotripper Hallucinates in the Rainforest: Where are the rocks? 

Geotripper [2015-07-16 07:32:00]  recommend  recommend this post  (28 visits) info
img
Archaeologists and geologists have it kind of tough in the rainforests. The people who lived here in past millennia utilized wood and bone most of the time in the making of their tools and habitations, and neither of those materials lasts for long in the wet acidic soils of a rainforest. Archaeologists don't have a lot of raw materials to work with. Likewise for the geologist, moisture and

Pluto, at last!! 

Geology in Motion [2015-07-14 21:01:05]  recommend  recommend this post  (66 visits) info

 US,KM,GB,IN
img
The last photo of Pluto for a bit, hopefully more soon.New Horizons' should reestablish contact with earthTuesday night (7/14/2015) and begin sending 10 yearsworth of data back to earth, a process that will take 16 months.NASA image.Congratulations to Alan Stern and the teams on New Horizon, the spacecraft that has spent a decade getting out to Pluto! To emphasize what a feat this is, here's a quote from a NASA press release:"New Horizons' almost 10-year, three-billion-mile journey to closest [...]

Mark Your Calendars for these events happening at HMNS 7/13-7/19 

BEYONDbones [2015-07-13 03:00:30]  recommend  recommend this post  (6 visits) info

 SE
Bust out your planners, calendars, and PDAs (if you are throwback like that), it’s time to mark your calendars for the HMNS events of this week!  Lecture – Sustainable Seas: The Vision, The Reality By Sylvia EarleTuesday, July 147:00 p.m.Dr. … Continue reading

Coastal Oceanography off North-East Greenland 

Dan\'s Wild Wild Science Journal [2015-07-12 04:34:14]  recommend  recommend this post  (71 visits) info

 US
THIS IS A GUEST POST BY OCEANOGRAPHER ANDREAS MUENCHOW AT THE UNIV. OF DELAWARE Greenland is melting, but it is not entirely clear why. Yes, air temperatures continue to increase, but what does it matter, if those temperatures are below freezing most of the time. What if the ocean does most of the melting a few 100 m below the surface rather than the air above? It means that gut feeling

The 100 Great Geosites Photo Competition 

Geological Society of London blog [2015-07-10 12:51:47]  recommend  recommend this post  (50 visits) info
Help us create a 2016 #100geosites calendar! This time last year, you were hard at work flooding us with nominations for our #100geosites project – over 400 sites made it into the longlist before public voting began. In October, we … Continue reading

Rebbachisaurus gets a proper description 

Sauropod Vertebra Picture of the Week [2015-07-08 23:12:36]  recommend  recommend this post  (44 visits) info
This just in: Wilson and Allain’s (2015) redescription of Rebbachisaurus garasbae, the type and only true species of Rebbachisaurus! Here we see the much-admire’d dorsal vertebra that’s been on display for some time in the French National History Museum, and which we’ve seen here previously: (It’s a shame that photo didn’t make it into the

no title 

polar soils blog [2015-07-08 18:04:00]  recommend  recommend this post  (34 visits) info

 US,
img
I usually post about the results of our experiments as they are published. This time, I don't have to post, because it was covered by a reporter! You can read about some of our research on soil CO2 on Nature World News, where we show that the movement of CO2 into and out of soils is impacted by water source, as the result of both geochemistry and soil microorganisms.Here are some photos that show you the equipment we used to make the measurements in a couple of the wet locations we studied:The [...]

Photo Diary – 4 Years of GfGD 

Geology for Global Development [2015-07-06 08:33:17]  recommend  recommend this post  (42 visits) info

 IN,GT,GB
We’ve recently celebrated our 4th birthday! Since our work started in 2011 we’ve had some great adventures, met some inspiring people and learnt a lot. Most of our work is taking place in universities around the UK. Through seminars and events we suspect that more UK geology students are being introduced to their role in international development than at any time previously. Alongside this university-level work we have organised two successful annual conferences, and smaller [...]
Stratigraphy.net | Impressum
Ads: