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Friday, 14 February 2020

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AMMONITES: INDEX FOSSILS 

ARCHEA [14:30:00]  recommend  recommend this post  (51 visits) info
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Ammonites were prolific breeders that evolved rapidly. If you could cast a fishing line into our ancient seas, it is likely that you would hook an ammonite, not a fish. They were prolific back in the day, living (and sometimes dying) in schools in oceans around the globe. We find their fossilized remains (and plenty of them) in sedimentary rock from all over the world. In some cases, we

Piton Fournaise: Atemberaubendes Video 

Florian Beckers Vulkan-Blog [15:51:09]  recommend  recommend this post  (50 visits) info
Die Eruption am Piton de la Fournaise geht weiter. Das OVPF berichtet, dass der Tremor stabil ist und nur leicht fluktuiert. Augenscheinlich ist die Tremorkurve sogar etwas gestiegen, doch dieser Anstieg soll auf Resonanzeffekte beruhen, da sich um den aktiven Förderschlot ein Kegel bildet, der sich immer weiter schließt. Heute war nur noch ein Lavastrom ... Weiterlesen ...

Global temps bump up a bit 

Ontario-geofish [13:17:00]  recommend  recommend this post  (49 visits) info
No great surprise since the tide gauges were up.  Our warmth may be over now, since the plume patterns have changed.  I forgot my new googs password, did everything wrong for recovery and am now waiting 3 [...]

Doppel-Zyklon-Genese 

Florian Beckers Vulkan-Blog [09:41:26]  recommend  recommend this post  (39 visits) info
Die Meteorologen beobachteten am Mittwoch ein seltenes Phänomen über dem Nordatlantik: dort entstand in ungeheurem Tempo ein Doppel-Zyklon-System. Innerhalb weniger Stunden fiel der Luftdruck um 46 mbar. Die [...]

Introducing Thanatotheristes degrootorum, the Reaper of Death 

Letters from Gondwana [18:07:36]  recommend  recommend this post  (29 visits) info
Tyrannosauroidea, the superfamily of carnivorous dinosaurs that includes the iconic Tyrannosaurus rex, originated in the Middle Jurassic, approximately 165 million years ago, and was a dominant component of [...]

A Different Tree (actually a different location) 

In the Company of Plants and Rocks [18:13:00]  recommend  recommend this post  (17 visits) info
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By the shores of Lake LaBonte, by the shining snow and ice ... I changed my mind about tree-following. I won't be at the Art Building on the university campus again, but at LaBonte Park. I haven't decided a [...]

Report Suggests Solutions for Making Coffee More Sustainable 

State of the Planet [15:17:22]  recommend  recommend this post  info
Because of the intertwined crises of poverty and environmental stress, the future is bleak for coffee farmers in many countries — but it doesn't have to be this

A Collection of Gems for Your Valentine's Day Enjoyment 

Rosetta Stones [09:28:00]  recommend  recommend this post  (46 visits) info
Even if the V-day leaves you meh, the geology of gemstones is still pretty great -- Read more on ScientificAmerican.com

HOLCOPHYLLOCERAS MEDITERRANEUM 

ARCHEA [06:26:00]  recommend  recommend this post  (34 visits) info
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There is tremendously robust suturing on this lovely ammonite, Holcophylloceras mediterraneum, (Neumayr 1871) from Late Jurassic (Oxfordian) deposits near Sokoja, Madagasgar. They were a group of extinct [...]

Pseudogygites latimarginatus trilobite from the Whitby formation 

Views of the Mahantango [09:01:00]  recommend  recommend this post  (18 visits) info
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The main reason to collect in the black shales of the Collingswood member of the Whitby formation is in the hopes of finding an articulated Pseudogygites latimarginatus. Most of the time the only parts found [...]

Máquina del tiempo (Le puede pasar a usted) 

Koprolitos [10:06:00]  recommend  recommend this post  (7 visits) info
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Hace poco hablamos por aquí de Alvaro Terán y de las tiras que periódicamente va dejando en su Tumblr "Le puede pasar a usted". Hoy traemos más viñetas dinosaurianas publicadas recientemente por Terán [...]
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