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Prikvačeni tweet
Mega-thread of
#MudVolcanoOfTheDay threads! Every thread in the 'Mud Volcano Of The Day' series will be put here to make them easier to find!pic.twitter.com/GseXoOfc4h
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More Africa
@googleearth - Luuq, in Somalia, has one of the most spectacular geological settings of any town. Home to ~40000 people, it sits inside a meander loop of the Webi Jubba River, with only an ~100m wide ‘land bridge’ to go in/out. Location: https://goo.gl/maps/GcsX3a9DQX7HpRnJ7 …pic.twitter.com/kqn0PeHZDl
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Mark Tingay proslijedio/la je Tweet
I have interesting fully funded PhD positions in "Reservoir Geomechanics" and "Geodynamics". More info can be found here (see available projects): https://researchers.uq.edu.au/researcher/23700 …
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Note that if anyone wants the google map links to all the features (A to G) they are in the thread or here: https://twitter.com/criticalstress_/status/1224866780134330369?s=21 …https://twitter.com/criticalstress_/status/1224866780134330369 …
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So, after posting the thread, I came across this similar feature about 153km to the NE. https://goo.gl/maps/Co8j5iw295LrgpYT7 … It’s called Kaf El Melh - and it has outcrop photos! These make it pretty obvious the feature is a salt diapir, and there looks to be basalt blocks in there too!pic.twitter.com/qQs8hEper1
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Mud!!! Because mud is awesome!https://twitter.com/janinekrippner/status/1224469192830857216 …
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So, to wrap up, this speccy feature in Algeria is likely to be a fascinating combination of BOTH salt diapir and volcanic lava flows. Which, I have to say is pretty darn awesome! Gotta love Google Earth! /endpic.twitter.com/NC35ByHMOv
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But wait, there’s more! The Meddah et al study is on Central Altlantic Magmatic Province (CAMP) volcanism. Turns out, this feature is a salt diapir interbedded with volcanic basalt flows - The easternmost end of CAMP volcanism.pic.twitter.com/7upHeCEe10
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Oooh! This study by Meddah et al 2017 focuses on the area of ‘my’ features. It also says there are evaporite diapirs through the area. It even has mapped at Ain Ouarka, which seems to be my ‘Feature C’. https://hal.archives-ouvertes.fr/hal-01548653/document …
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Amri et al 2017 states that there are Triassic evaporite diapirs in the central Saharan Atlas Mountains. It even describes this feature as one, which looks very similar in appearance, texture and colour to ‘my’ features. So, it’s looking like salt diapirs! Yay!pic.twitter.com/vTNorVwW6W
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My leading guess is a salt diapir, but I’m not sure if there’s evaporites one that part of the Atlas. So, I dug up some papers. Amri et al 2017 looks at satellite images for geology about 300km to the NE.https://link.springer.com/article/10.1007/s12517-017-2883-6 …
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Here’s another, though I’m mostly including it because of the lovely eye candy surrounding geology.pic.twitter.com/uUU6d9B2KW
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Here’s another, to the SW. They all have positive relief, similar smooth texture, and a distinctive greyish/blueish/greenish colour. And they sit in some pretty stunning geology.pic.twitter.com/1ZrxTU0aQV
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First, it’s not the only one. There’s a few other similar features in the area. This one is a few km to the NE.pic.twitter.com/b7LolLrdaa
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This gives an idea of scale. The feature is clearly in the core of an antiform. But what is it? From location, size, colour and texture, it might be a igneous feature, salt diapir, shale core or something else. I’m not familiar with the regional geology...pic.twitter.com/WypwLmYtPe
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That first image is false colour (unusual on google earth), here’s a different image of the feature. It’s located here: https://goo.gl/maps/1CzXeauo2he5e25z7 …pic.twitter.com/BEtyrFYoTc
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Came across this spectacular and interesting feature on
@googleearth while admiring the lovely structures of the western Saharan Atlas Mountains of Algeria. But what is it.... (thread)pic.twitter.com/RxsJj02BN0
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Mark Tingay proslijedio/la je Tweet
A new paper on Azerbaijani mud volcanoes has been published. Many thanks to Andre for his job!pic.twitter.com/SqFoJJ1rke
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Mark Tingay proslijedio/la je Tweet
Kawah Ijen volcano, Indonesia, where sulfuric gases burn making the lava appear blue. Happy Friday
Photos by the talented @OysteinLAnderse More: https://www.oysteinlundandersen.com/ijen/ Explanation of why it's blue: https://www.smithsonianmag.com/science-nature/why-does-indonesian-volcano-burn-bright-blue-180949576/ …pic.twitter.com/JhRUrALT0f
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Mark Tingay proslijedio/la je Tweet
NEW VIDEO: What actually happens if you get the Coronavirus https://youtu.be/OTYfke545vI There is A LOT of misinformation out there so we explain the exact physiology of what happens to your body if you get Coronaviruspic.twitter.com/aJNYfmhBg0
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Mark Tingay proslijedio/la je Tweet
I rarely buy rocks or minerals but couldn’t resist this Norwegian
#eclogite
a beautiful example of high pressure metamorphism (> 50 km burial depths) pink #garnets green#omphacite#Bergen#Norwaypic.twitter.com/FYc14VS2fD
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