Geobulletin alpha

News from the Geoblogosphere feed

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

Posts treating: "earth"

Wednesday, 25 November 2015

sort by: date | clicks

Mars Rocks – introducing a citizen science project 

GeoLog-The official blog of the European Geosciences Union [2015-11-25 12:30:47]  recommend  recommend this post  (20 visits) info

GeoLog followers will remember our previous report on Citizen Geoscience: the exciting possibilities it presents for the acquisition of data, whilst cautioning against the exploitation of volunteered labour. This blog presents a Citizen Science platform that goes beyond data collection to analysis, specifically for geological changes in remote sensing imagery of Mars. Jessica Wardlaw, a Postdoctoral Research Associate in Web GIS, at the Nottingham Geospatial Institute, introduces ‘iMars’ [...]

Exploring Beneath Earth’s Changing Ice Sheets 

State of the Planet [2015-11-24 14:06:59]  recommend  recommend this post  (27 visits) info

If just the West Antarctic Ice Sheet were to melt, it would raise global sea level by 6 meters. That’s more than a theoretical problem. West Antarctica is losing ice mass, and scientists are

Earth’s Magnetic Field: Just Returning to Normal? 

State of the Planet [2015-11-23 23:49:41]  recommend  recommend this post  (29 visits) info

Earth’s magnetic field is getting weaker, but it may simply be coming down from an abnormally high intensity rather than being a sign of an impending geomagnetic

PhD studentship is available on Plio-Pleistocene dinoflagellate cysts 

WeBlog Aragosaurus [2015-11-23 10:26:00]  recommend  recommend this post  (26 visits) info

 Quaternary; DE,NO,US,BE,,CA
A funded PhD studentship is available on: \"Plio-Pleistocene dinoflagellate cysts and paleoceanography of the northern and western Pacific\" in the Department of Earth Sciences, University of Toronto, CanadaApplication deadline: January 17, 2016.Description of PhD project:The northern Pacific appears to have supplied moisture to North America 2.74 million years ago, causing the growth of major ice sheets and transforming our planet into an “icehouse” world just prior to the start of the [...]

Geoscience hot topics – the future of Earth, ocean and planetary science research – Part I 

GeoLog-The official blog of the European Geosciences Union [2015-11-18 12:00:04]  recommend  recommend this post  (30 visits) info

What are the most interesting, cutting-edge and compelling research topics within the scientific areas represented in the EGU divisions? Ground-breaking and innovative research features yearly at our annual General Assembly, but what are the overarching ideas and big research questions that still remain unanswered? We spoke to some of our division presidents and canvased their thoughts on what the current Earth, ocean and planetary hot topics will be. There are too many to fit in a single post [...]

Rotation an important factor in Earth’s evolution 

AGU Meetings [2015-11-17 18:42:50]  recommend  recommend this post  (25 visits) info
Around 4.5 billion years ago, shortly after the solar system was formed, an object roughly the size of Mars smashed into Earth. The energy of this impact sheared off enough material to create the Moon and melt the young Earth’s mantle into a giant ocean of magma roughly 1,000 kilometers (approximately 621 miles) deep. This magma ocean set the stage for the evolution of the Earth’s rocky mantle and could have created Earth’s early magnetic field which shielded the planet from the solar [...]

Showcase your film at Geocinema at the 2016 General Assembly! 

GeoLog-The official blog of the European Geosciences Union [2015-11-17 13:00:09]  recommend  recommend this post  (26 visits) info

Every year, we showcase a great selection of geoscience films at the EGU General Assembly and after six successful years we will again be running Geocinema in 2016. If you’ve shadowed a scientist in the lab, filmed fantastic spectacles in the field, or have produced an educational feature on the Earth, planetary or space sciences, we want to hear from you. Geocinema features short clips and longer films related to the geosciences, and from animations to interviews, all films are welcome. If [...]

Earthlearningideas in the Amazon 

Earth Learning Idea [2015-11-16 15:29:00]  recommend  recommend this post  (12 visits) info

Professor Roberto Greco from the Institute of Geosciences, Campinas State University, Brazil, has sent the following report:- Earth Learning Idea workhops  have reached the heart of the Amazon forest! In this very special environmental so far from everywhere, where the huge Amazon River crosses the country, how can Earth Science be taught in an interesting, engaging way? We decided to present

Unlocking the secrets of the Ross Ice Shelf 

State of the Planet [2015-11-14 02:55:55]  recommend  recommend this post  (39 visits) info
The Ross Ice Shelf is much like the Rosetta Stone. The historic stone inscribed in three scripts told the same story but in different tongues, so when matched together scholars could decode an ancient language. The Antarctic Rosetta Project also brings together three different ‘scripts’, each written by an Earth system; the ice, the ocean and the underlying bed each have a story to

Fixing What We Broke: A Few Scenes From America's Serengeti Plain 

Geotripper [2015-11-04 09:41:00]  recommend  recommend this post  (29 visits) info

I live in California's Great Valley, also known as the Central Valley. It's one of the most important agricultural regions on Earth, in that it produces around a quarter of the nation's produce. It's an extraordinary geological province, 400 miles of almost perfect flatness. When I moved to the valley nearly thirty years ago, I thought I was moving to a boring place, featureless, and

13 Freaky finds at HMNS 

BEYONDbones [2015-10-29 23:43:06]  recommend  recommend this post  (29 visits) info
Tentacles, bodies and skeletons, oh my! No matter how beautiful or how vital to the history of natural science and life on Earth, some things are just a little freaky. Check out this short list of our top 13 strange, … Continue reading

A Hike Up Glass Mountain 

Looking for Detachment [2015-10-29 17:00:00]  recommend  recommend this post  (34 visits) info

It was Earth Science Week, and a relatively small group of Nevada geologists went on a two-day field trip to a couple places that included Medicine Lake volcano. Here we are beginning a half mile hike to an overlook point on Glass Mountain, a rhyolite to dacite flow-dome complex that lies at the east edge of the Medicine Lake caldera (the caldera forms a small part of the greater volcano

When Giant Mushrooms Ruled The Earth 

Palaeoblog [2015-10-29 16:44:00]  recommend  recommend this post  (27 visits) info
Excavating Prototaxites From around 420 to 350 million years ago, when land plants were still the relatively new kids on the evolutionary block and “the tallest trees stood just a few feet high,” giant spires of life poked from the Earth. “The ancient organism boasted trunks up to 24 feet (8 meters) high and as wide as three feet (one meter),” said National Geographic in 2007. With the help of

EGU Awards and Medals 2016 

GeoLog-The official blog of the European Geosciences Union [2015-10-27 15:57:32]  recommend  recommend this post  (22 visits) info

Yesterday, the EGU announced the 49 recipients of next year’s Union Medals and Awards, Division Medals, and Division Outstanding Young Scientists Awards. The aim of the awards is to recognise the efforts of the awardees in furthering our understanding of the Earth, planetary and space sciences. The prizes will be handed out during the EGU 2016 General Assembly in Vienna on 17-22 April. Head over to the EGU website for the full list of awardees. Nineteen out of the total 49 awards went to [...]

125-million-year-old cretaceous ‘furball’ is oldest known mammal 

Utah Geological Survey - blog [2015-10-23 21:58:02]  recommend  recommend this post  (37 visits) info A rodent-like specimen that walked on Earth 125 million years ago is the oldest mammal discovered yet. READ

Life On Earth Started 4.1 Billion Years Ago 

Palaeoblog [2015-10-20 16:59:00]  recommend  recommend this post  (31 visits) info

Potentially biogenic carbon preserved in a 4.1 billion-year-old zircon. 2015. PNAS UCLA geochemists have found evidence that life likely existed on Earth at least 4.1 billion years ago—300 million years earlier than previous research suggested. The discovery indicates that life may have begun shortly after the planet formed 4.54 billion years ago. The new research suggests that life

El Niño: Resources for Journalists 

State of the Planet [2015-10-19 17:34:23]  recommend  recommend this post  (24 visits) info
El Niño is earth’s most powerful climate cycle, influencing weather and affecting crops, water supplies and public health globally. What may be the strongest El Niño ever measured is now getting underway, and is already affecting parts of the

The 100 Geosites Photo Competition 

Geological Society of London blog [2015-10-13 19:13:30]  recommend  recommend this post  (30 visits) info
        Just before the start of Earth Science Week 2015, we announced the results of our 100 Great Geosites photo competition – 13 images which form a 2016 calendar now on sale at the Society! Last night, … Continue reading

Meteorite impact turns silica into stishovite in a billionth of a second 

An Atom\'s-Eye View of the Planet [2015-10-13 11:50:11]  recommend  recommend this post  (32 visits) info

The Barringer meteor crater is an iconic Arizona landmark, more than 1km wide and 170 metres deep, left behind by a massive 300,000 tonne meteorite that hit Earth 50,000 years ago with a force equivalent to a ten megaton nuclear bomb. The forces unleashed by such an impact are hard to comprehend, but a team of Stanford scientists has recreated the conditions experienced during the first billionths of a second as the meteor struck in order to reveal the effects it had on the rock underneath. The [...]

ASU Earth & Space Exploration Day 

Arizona Geology [2015-10-12 22:45:00]  recommend  recommend this post  (19 visits) info
<!--[if !mso]> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} <![endif]--> <!--[if gte mso 9]> <![endif]--><!--[if gte mso 9]> Normal 0 false false false EN-US X-NONE | Impressum