Geobulletin alpha

News from the Geoblogosphere feed

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

Friday, 24 October 2014

sort by: date | clicks

Images of Guatemala (3) – Lahar Deposits at Fuego 

Geology for Global Development [11:00:43]  recommend  recommend this post  (3 visits) info
Lahars at Volcan de Fuego, Guatemala. This image captures a lahar [mudflow] deposit close to Volcan de Fuego. These deposits are formed when rain mobilises ash and pyroclastic material on the volcano to form a fast moving, powerful mudflow with the ability to transport material including large boulders. As the energy dissipates, the sediment is deposited as

New book on Karst & Paleoseismology: Dynamic Tectonics and Karst 

Paleoseismicity [10:00:41]  recommend  recommend this post  (14 visits) info
category→science_technology
 CU,
Springer has recently published the book Dynamic Tectonics and Karst in the series Cave and Karst Systems of the World, edited by our colleagues S. Shanov and K. Kostov. The book focusses on the influence of tectonic processes on the formation of karst and karst caves and one chapter is devoted to karst cave paleoseismology. The authors present studies from the Balkans, Cuba, and France.  Download the table of contents here, and find more downloads on the Springer website.

Plecatrypa imbricata brachiopod from the Wenlock fm. 

Views of the Mahantango [09:01:00]  recommend  recommend this post  (8 visits) info
category→science_technology
 Silurian; GB,US
img
Plecatrypa imbricata from the Silurian aged Wenlock formation (Wenlock epoch, Sheinwoodian to Homerian stage), near Dudley, England. The shell has a spirifer type shape with a wide hinge line and deep sulcus. [...]

October 24, 2014 

Geology.com News [08:10:13]  recommend  recommend this post  (11 visits) info
category→recreation
 US,CO
Three-Phase Inclusions in EmeraldGemological Institute of America What Are Emeralds?Geology.com Cat’s-Eye in Colombian EmeraldsGemological Institute of America Bahia Emerald Still Has No OwnerABC News [...]

Wooster’s Fossils of the Week: A pair of molded nautiloids from the Upper Ordovician of northern Kentucky 

Wooster Geologists [06:48:23]  recommend  recommend this post  (1 visit) info
Two nautiloids are preserved in the above image of a slab from the Upper Ordovician of northern Kentucky. (I wish I knew which specific locality. This is why paleontologists are such fanatics about labeling [...]

Around the Web 10/23/2014 — Old Earth textbook, No Ham for dinner, inverted smileys 

The GeoChristian [04:56:31]  recommend  recommend this post  (13 visits) info
category→recreation
I’ll break out of my semi-monastic lifestyle for a few moments to pass on some good GeoChristian kinds of links… Old-Earth Classical Christian Middle School Earth Science Textbook — Novare [...]

Upside Down Ordovician Trilobite 

Louisville Area Fossils [03:30:00]  recommend  recommend this post  (12 visits) info
category→science_technology
 Ordovician; US
img
Here is a picture of an upside down trilobite fossil found recently (October 2014) in Maysville, Kentucky, USA. The Upper Ordovician Period formations found there are Grant Lake (Maysvillian) and Bull Fork [...]

Did Dinosaurs Really Roar? 

Dinosaur Home - Blogs [02:31:08]  recommend  recommend this post  (14 visits) info
category→science_technology
Since a lot of us were kids, we have thought that dinosaurs, specifically theropods, roared. But is this really true? Did dinosaurs really Roar? Well, modern day animals that roar always use their larynx, [...]

Glad You Asked: October 23, 2014 

Utah Geological Survey - blog [01:41:34]  recommend  recommend this post  (12 visits) info
category→arts_entertainment
Cooler weather is on its way, so we’ve got a cool “Glad You Asked” article to compliment the changing seasons! It’s a beautiful time of the year to get out into Utah’s geology. [...]

Paper Age (2013) 

Koprolitos [08:42:00]  recommend  recommend this post  (7 visits) info
category→arts_entertainment
"Paper Age" es un cortometraje de animación creado por Ken Ottmann, que devuelve a la vida las páginas de un periódico a través de la piel de un tiranosaurio. Ottmann cuenta de forma sutil el auge y la [...]

Tortugas terrestres pequeñas del Pleistoceno en las XXX Jornadas de la SEP 

Dinosaurios (el cuaderno de Godzillín) [08:00:00]  recommend  recommend this post  (11 visits) info
category→science_technology
 ES,AU
img
Y siguiendo con los testudínidos de relativo pequeño tamaño, nos topamos con otro trabajo defendido en las XXX Jornadas de Paleontología de la SEP: “Las tortugas del yacimiento del Pleistoceno inferior [...]

Ebola. And Museums. Again. 

Prerogative of Harlots [06:35:00]  recommend  recommend this post  (17 visits) info
category→recreation
 US,FR,
My friend and colleague Beth Merritt is always saying that museums need to be the heroes. But so little of what we do is truly heroic. But now, I think we have a genuine chance.In case you hadn't noticed, [...]

Tailings Failures: Doctors and Incorrect Stability Analyses 

I think mining [04:42:46]  recommend  recommend this post  (12 visits) info
category→recreation
I was always healthy until I visited the doctor for a checkup.  Then they found all sorts of things wrong with me:  internal components not working; high levels of this and that and consequential concerns; [...]

Earth and Space Exploration Day at ASU this Saturday 

Arizona Geology [02:32:00]  recommend  recommend this post  (14 visits) info
category→recreation
 IN,US
ASU hosting Earth and Space Exploration Day Saturday, October 25, 2014 (9 a.m. - 3 p.m.)  LOCATION: Interdisciplinary Science and Technology Building IV (ISTB 4), Arizona State University, Tempe Earth [...]

Newly Discovered Fossils Reveal Goofy-Looking Dinosaur 

Utah Geological Survey - blog [01:56:08]  recommend  recommend this post  (11 visits) info
category→science_technology
time.com Scientists in Mongolia’s Gobi Desert have unearthed fossils that have allowed them for the first time to build a complete picture of one of the more bizarre-looking dinosaurs. READ

Partial Solar Eclipse from California (and What a Sunspot!) 

Geotripper [00:38:00]  recommend  recommend this post  (14 visits) info
category→science_technology
 US
img
Wow. Just wow. Yes there was a partial solar eclipse today that was visible across much of the country, and yes, it was pretty spectacular. But what caught my attention was the huge sunspot. It is the first [...]
Stratigraphy.net | Impressum
Ads: