Geobulletin alpha
News from the Geoblogosphere
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..
Sunday, 08 February 2015
Das unser Sonnensystem ziemlich groß ist, dürfte jedem bekannt sein. Doch wie groß ist es? Bei astronomischen Entfernungen versagen unsere Alltagserfahrungen meist sehr schnell. Schon der Mond, kosmisch gesehen quasi vor unserer Haustür, ist ziemlich weit weg. Stefan Oldenburg zeigt in seinem Blogpost sehr gut, wie weit der Mond entfernt ist, wenn wir unsere irdischen Maßstäbe benutzen. Damit dürfte schnell deutlich werden, dass alles, was uns auf der Erde als schnell vorkommt, für den [...]
Reconstruction of Dickinsonia costata
In 1946, while investigating abandoned mines in the Ediacara Hills, South Australia, geologist Reginald Claude Sprigg stumbled upon some peculiar and barely visible trace fossils of jellyfish-like creatures. He realized that they must be far older than any fossil known at the time. He published his preliminary results in the Transactions of the Royal Society of South Australia (1947, 1948). He then tried to publish his findings in the prestigious [...]
In the Company of Plants and Rocks [19:09:00]
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(98 visits) category→science_technology US
It was the first of February, 8:30 AM, and 17º F after a cloudy night with light snow. When I reached the river, I saw two men with poles standing in the water as ice floated by. What were they [...]
Geschichte der Geologie [18:06:00]
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(147 visits) category→business US,AU,UM,CN
Am 8. Februar 1828 wurde der Autor Jules Gabriel Verne im französischen Nantes geboren. Bekannt wurde er mit fantastischen Reiseromanen, in denen er Elemente der Science-Fiction einarbeitet – so queren [...]
Geology in the West Country [17:36:00]
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(190 visits) category→science_technology Jurassic; GB,US
Jurassic in OxfordshireElizabeth DevonSaturday 21st March Kirtlington Quarry SSSI - go back in time to a Jurassic environment similar to the Florida Everglades today. These conditions attracted many animals, [...]
Per affrontare un discorso articolato
sul mondo degli enantiornithi, occorre fornire un minimo di basi
tassonomiche. Prima dell'avvento della sistematica filogenetica, gli
enantiornitologi avevano continuato a [...]
Through the Sandglass [14:19:00]
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(652 visits) category→arts_entertainment GB,US,SG
The book is now available in the UK and the US! I have to say that the publishers, Reaktion Books (and the University of Chicago Press in the US), have done a beautiful job – they accepted all my [...]
Article
I loved this article. Their only 'fault' is that they don't mention me.
This week we to the dinner given in honor of Dr. Peter Byrne and his receiving the RF Legget Medal. RF Leggett was a distinguished Canadian geologist. And the award honors his works. The Medal is one of [...]
markwitton.com blog [18:34:00]
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(659 visits) category→science_technology Cretaceous; US,NZ,ZA,ES,RU
Spurned on by a print request, I've spent free time this week revising two images of ceratopsids which may be familiar to long-term readers: my woolly Pachyrhinosaurus perotorum and scavenging Styracosaurus [...]
Gerade unter den kleineren Lebewesen befinden sich ja so manche, die scheinbar aus einem schlechten Horrorfilm entsprungen zu sein scheinen. Denn gerade wer sich nicht durch körperliche Kraft, Größe und [...]
Sauropod Vertebra Picture of the Week [17:16:40]
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(125 visits) category→arts_entertainment
Having given pterosaurs all the glory in two earlier posts, it’s time to move yet further away from the sauropods we know and love, and look at epipophyses outside of Ornithodira. Here, for example, is [...]
In most cases, geological maps are made by piecing together observations of hundreds of individual outcrops. Boundaries between types of rock are covered in grass and sheep and have to be traced on the map [...]
Twin Lakes, above the town of Mammoth Lakes on the edge of the Long Valley Caldera
So what happened in Mammoth Lakes?
In the last post we talked about the titanic explosion at the Long Valley Caldera [...]
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