Geobulletin alpha

News from the Geoblogosphere

by Stratigraphy.net

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

Sunday, 09 August 2020

←2020-08-10

2020-08-08→

sort by: date | clicks

UV Fluorescent Oyster Fossil

Louisville Area Fossils [23:01:00]

recommend this post (81 visits)

Recently, I obtained an ultraviolet (UV) LED flashlight set at 365 nm wavelength. This light is shortwave UV and in the past this type of light was quite expensive. I have a Mineralight Model SL 2537 which is over 50 years old. The replacement bulb for it is over $100. The LED light I found on Amazon.com was under $40. I was somewhat skeptical it would produce shortwave UV. It worked and I

Suatu Masa yang Penuh Letusan di Pegunungan Selatan

Dogeng Geology [20:43:16]

recommend this post (164 visits)

Tebing batu di desa Ngoro-oro, Gunungkidul, yang tersusun oleh endapan gunung api bagian dari Formasi Semilir. (Foto oleh @bansmarwanto) Pegunungan selatan pulau jawa masih menyimpan bermacam misteri yang harus disibak oleh para ahli kebumian negeri ini, ya selain eksotisme dari wilayah Karst gunung sewu dan juga jajaran gunung api purba yang berumur jutaan tahun yang […] The post Suatu Masa yang Penuh Letusan di Pegunungan Selatan appeared first on Dongeng Geologi.

Ankylorhiza tiedemani, a giant dolphin from the Oligocene of South Carolina, part 2: the ecology, evolution, and swimming adaptations of Ankylorhiza

The Coastal Paleontologist [18:09:00]

recommend this post (41 visits)

Don't forget to check out Part 1 here. Disclaimer: this post includes a lot of irreducible terminology, particularly when it comes to the phylogenetic section – there simply are no useful or meaningful [...]

C19 Update

Seismos [16:34:00]

recommend this post (51 visits)

Milestone: In the next day or two, we should pass 5M total confirmed cases in US and 20M worldwide.

Sakurajima speit Asche

Florian Beckers Vulkan-Blog [10:52:48]

recommend this post (436 visits)

Nach einer mehrwöchigen Pause eruptierte der japanische Vulkan Sakurajima wieder und spie Aschewolken aus. Sie stiegen bis auf einer Höhe von 6000 m auf und wurden vom Wind in nördlicher Richtung [...]

Arctic ice volume hits a hard bottom

Ontario-geofish [16:48:00]

recommend this post (71 visits)

This is exciting physics. The ice curve has made the most severe turn I ever saw.The forces to do this are considerable. I am suspecting it goes down to heavy pack ice. Also, the siberian tropical [...]

Österreich: Erdbeben M 4,1

Florian Beckers Vulkan-Blog [15:04:56]

recommend this post (412 visits)

Im österreichischen Tirol bebte es letzte Nacht mit einer Magnitude von 4,1. Das Hypozentrum befand sich in nur 4 km Tiefe. Das Epizentrum wurde 31 km östlich von Sankt Anton am Arlberg lokalisiert. Es gab [...]