Geobulletin alpha
News from the Geoblogosphere
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..
Saturday, 15 April 2017
Pei
et al. (2017) descrivono nuovi esemplari di Anchiornis dal
Giurassico cinese. Gli esemplari sono molto ben conservati ed
articolati, e forniscono informazioni utili su elementi dello
scheletro che prima non erano noti o descritti adeguatamente, tra cui
– caso raro tra questi paraviani cinesi - elementi del neurocranio.
Nello
studio, Pei et al. (2017) emendano la diagnosi di Anchiornis,
e
My son and I hiked Compton Peak in Shenandoah National Park this morning, and saw these two lovely examples of xenoliths. The example above is small, but it shows clearly the difference between the coarse, felsic basement rock (Mesoproterozoic granitoid, comprising the xenolith) and the surrounding fine-grained dark green metabasalt of the Catoctin Formation (Neoproterozoic). Here’s another, bigger example: These two Blue Ridge examples both illustrate the principle of relative
NEXT WEEKS EVENTS
17th to 23rd April 2017
The following is an extract from Bristol Geology Calendar
More details can be found in the Calendar and on the web sites of the relevant Society or [...]
Recently I decided to make some blogs called Dino Combats.
The first will be…
Daspletosaurus versus Gorgosaurus,!
Daspletosaurus: length 9m/30ft weight 3.8t
advantages: larger bite force, bulkier
[...]
Someone told me the white sand on Florida beaches is not really sand, that it is brought in and dumped there as well as the white sands in New Mexico…..Is […]
One big question is that, if they finally become scared with an 6.5, will the earthquakes stop on a dime? This Easter weekend shows that there is hope. No injection on Good Friday, something which I am [...]
Gestern kam es zu zwei weiteren stärkeren phreatischen Eruptionen am Vulkan Poás in Costa Rica. Asche-Dampf-Wolken stiegen gut 3 km hoch auf. Vulkanasche ging in mehreren Gemeinden westlich des Vulkan [...]
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