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Obsidian Urbex Photography🆕 <a href="https://photog.social/tags/Photo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photo</a> gallery and blog post - Cowdale Quarry, England Cowdale Quarry, abandoned for 70 years, is now being reclaimed by the forest. The concrete ruins rise out of the overgrowth dramatically. Head over to my website to read a historical article and see the full photo gallery - <a href="https://www.obsidianurbexphotography.com/industrial/cowdale-quarry-england/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.obsidianurbexphotography.com/industrial/cowdale-quarry-england/</a><a href="https://photog.social/tags/Buxton" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Buxton</a> <a href="https://photog.social/tags/England" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#England</a> <a href="https://photog.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://photog.social/tags/Quarry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Quarry</a> <a href="https://photog.social/tags/History" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#History</a> <a href="https://photog.social/tags/Ruins" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ruins</a> <a href="https://photog.social/tags/AbandonedPlaces" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AbandonedPlaces</a> <a href="https://photog.social/tags/Natute" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Natute</a> <a href="https://photog.social/tags/Photo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photo</a> <a href="https://photog.social/tags/SilentSunday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SilentSunday</a>

AnnieSligo coast<a href="https://ruhr.social/tags/MeerMittwoch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MeerMittwoch</a> <a href="https://ruhr.social/tags/AtlanticOcean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AtlanticOcean</a> <a href="https://ruhr.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://ruhr.social/tags/Sligo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sligo</a> <a href="https://ruhr.social/tags/SeascapePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SeascapePhotography</a> <a href="https://ruhr.social/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ireland</a>

Planetary EcologistKeystone (limestone) (Paleontology 🦕)Keystone is a type of limestone, or coral rag, quarried in the Florida Keys, in particular from Windley Key fossil quarry, which is now a State Park of Florida. The limestone is Pleistocene in age, and the rock primarily consists of scleractinian coral, such as Elkhorn coral and Brain coral. The Hurricane Monument, commemorating victims of the Labor Day Hurricane of 1...<a href="https://en.wikipedia.org/wiki/Keystone_(limestone)" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://en.wikipedia.org/wiki/Keystone_(limestone)</a><a href="https://mastodon.social/tags/Keystone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Keystone</a> <a href="https://mastodon.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://mastodon.social/tags/Paleontology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Paleontology</a>

SaffyI started my talk yesterday woth some wonderful building stone - this is part of Scrivens Conduit and is part of a wonderful art trail created by Voices Gloucester as well being an amazing piece of history and a pretty thing in a park and of course the geology! The rock contains lots of shelly fragments and O think would be from Painswick <a href="https://voicesgloucester.org.uk/monuments/conduit/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://voicesgloucester.org.uk/monuments/conduit/</a> <a href="https://sunny.garden/tags/fossils" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossils</a> <a href="https://sunny.garden/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://sunny.garden/tags/shells" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#shells</a> <a href="https://sunny.garden/tags/rocksROCK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#rocksROCK</a> <a href="https://sunny.garden/tags/geologyROCKS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geologyROCKS</a> <a href="https://sunny.garden/tags/gloucester" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#gloucester</a>

AnnieLimestone coast <a href="https://ruhr.social/tags/Meermittwoch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Meermittwoch</a> <a href="https://ruhr.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://ruhr.social/tags/Geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Geology</a> <a href="https://ruhr.social/tags/AtlanticOcean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AtlanticOcean</a> <a href="https://ruhr.social/tags/Sligo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sligo</a> <a href="https://ruhr.social/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ireland</a>

AnnieSpring<a href="https://ruhr.social/tags/TheBurren" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TheBurren</a> <a href="https://ruhr.social/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ireland</a> <a href="https://ruhr.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://ruhr.social/tags/Spring" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Spring</a>

EAS Watcher<a href="https://m.ai6yr.org/tags/EAS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EAS</a> <a href="https://m.ai6yr.org/tags/WEA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WEA</a> for Jackson, <a href="https://m.ai6yr.org/tags/AL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AL</a>; <a href="https://m.ai6yr.org/tags/Lawrence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Lawrence</a>, <a href="https://m.ai6yr.org/tags/AL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AL</a>; <a href="https://m.ai6yr.org/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a>, <a href="https://m.ai6yr.org/tags/AL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AL</a>; <a href="https://m.ai6yr.org/tags/Madison" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Madison</a>, <a href="https://m.ai6yr.org/tags/AL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AL</a>; <a href="https://m.ai6yr.org/tags/Franklin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Franklin</a>, <a href="https://m.ai6yr.org/tags/TN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TN</a>; <a href="https://m.ai6yr.org/tags/Lincoln" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Lincoln</a>, <a href="https://m.ai6yr.org/tags/TN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TN</a>; <a href="https://m.ai6yr.org/tags/Moore" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Moore</a>, <a href="https://m.ai6yr.org/tags/TN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TN</a>: National Weather Service: <a href="https://m.ai6yr.org/tags/TORNADO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TORNADO</a> WARNING in this area until 12:45 AM CST. Take shelter now in a basement or an interior room on the lowest floor of a sturdy building. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Check media. Source: NWS Huntsville AL ** DO NOT RELY ON THIS FEED FOR LI

Philip WithnallFinally got access to a copy of Geology of the Northern Pennine Orefield and it's going to be a good (if hard) read. Refreshing to see a field in which a book written in the 1940s, using data from the 1880s, is still largely up to date (in contrast with *anything* in the modern tech industry). Hopefully it'll inform my walks in the North Pennines a bit better <a href="https://mastodon.social/tags/NorthPennines" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NorthPennines</a> <a href="https://mastodon.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geology</a> <a href="https://mastodon.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a>

Sunguramy :nb_lily:<a href="https://flipping.rocks/tags/Karstmas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Karstmas</a> day 4For today, enjoy this image of a 586 ft (179 m) single pitch, put yer rack on and go, pit in the US. It's called Fantastic, and it really is! It is the longest cave rappel in the lower 48. (Alaska has one that beats it!)The day we went it was high water, and as you can see there is a massive waterfall. Wind created by the falling water in the pit whipped it around, constantly shifting where it was landing. The rig is out of the water for safety reasons, but the bottom 200 ft we were getting soaked by spray nonetheless. This is a lightpainted image, my partner (the dark spot on rope) and I communicated via radio as I directed where & when to paint with a very bright (1000+ lumen) light as I opened and closed the shutter as needed. As high as he looks in the image, he is only 200ft above me. There is another 400ft above him...notice the waterfall disappears before the pinpoint of light at the top. The waterfall faded, too small to see.Remember I talked about rope weight on day 2? Rope also stretches some, even the super-static* kind we use. In 600 feet, this is not a negligible amount, there's about 10 feet of stretch that I had to 'climb' before I got off the ground. In that process, the wind in the pit shifted *whomp* shoving me down slamming my back onto the cobbles. *ouch* Twas a painful climb after that, with an epic bruise to show for it!So. You'd better enjoy this photo! I suffered for it! :boost_requested:*For those curious, cave rope of choice for things like this in the US is PMI Pit Rope Max Wear, which has elongation at 300 lbf of only 1.8%.<a href="https://flipping.rocks/tags/cave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cave</a> <a href="https://flipping.rocks/tags/caves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#caves</a> <a href="https://flipping.rocks/tags/caving" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#caving</a> <a href="https://flipping.rocks/tags/speleology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#speleology</a> <a href="https://flipping.rocks/tags/karst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#karst</a> <a href="https://flipping.rocks/tags/karstmas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#karstmas</a> <a href="https://flipping.rocks/tags/srt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#srt</a> <a href="https://flipping.rocks/tags/vertical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vertical</a> <a href="https://flipping.rocks/tags/climbing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climbing</a> <a href="https://flipping.rocks/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geology</a> <a href="https://flipping.rocks/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://flipping.rocks/tags/rock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#rock</a> <a href="https://flipping.rocks/tags/waterfall" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#waterfall</a>

DaveYorkshire WaterSome classic limestone geology<a href="https://mastodonapp.uk/tags/iPhone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#iPhone</a> <a href="https://mastodonapp.uk/tags/Photo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photo</a> <a href="https://mastodonapp.uk/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a> <a href="https://mastodonapp.uk/tags/Yorkshire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Yorkshire</a> <a href="https://mastodonapp.uk/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://mastodonapp.uk/tags/River" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#River</a>

DaveHigh & Dry<a href="https://mastodonapp.uk/tags/Photo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photo</a> <a href="https://mastodonapp.uk/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a> <a href="https://mastodonapp.uk/tags/YorkshireDales" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#YorkshireDales</a> <a href="https://mastodonapp.uk/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://mastodonapp.uk/tags/Geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Geology</a>

AnnieGuten Morgen, für den Meermittwoch heute ein Bild von der Küste in Sligo mit Strandgrasnelken und Kalkstein. 🌺🌊⛰️<a href="https://ruhr.social/tags/MeerMittwoch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MeerMittwoch</a> <a href="https://ruhr.social/tags/SeaWednesday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SeaWednesday</a> <a href="https://ruhr.social/tags/Atlantic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Atlantic</a> <a href="https://ruhr.social/tags/Sligo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sligo</a> <a href="https://ruhr.social/tags/Ireland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ireland</a> <a href="https://ruhr.social/tags/Limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Limestone</a> <a href="https://ruhr.social/tags/Bloomscrolling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Bloomscrolling</a>

Obsidian Urbex PhotographyLonely Tree 03📷 Zenit- E 🔎 Mir-1b 37mm 🎞️ <a href="https://photog.social/tags/kodakgold200" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#kodakgold200</a> <a href="https://photog.social/tags/35mm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#35mm</a>Ingleton, England; August 2023<a href="https://photog.social/tags/believeinfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#believeinfilm</a> <a href="https://photog.social/tags/filmphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#filmphotography</a> <a href="https://photog.social/tags/zenite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zenite</a> <a href="https://photog.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://photog.social/tags/lonelytree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lonelytree</a> <a href="https://photog.social/tags/colourfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#colourfilm</a> <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a>

Obsidian Urbex PhotographyLonely Tree 04📷 Zenit- E 🔎 Mir-1b 37mm 🎞️ <a href="https://photog.social/tags/kodakgold200" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#kodakgold200</a> <a href="https://photog.social/tags/35mm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#35mm</a>Ingleton, England; August 2023<a href="https://photog.social/tags/believeinfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#believeinfilm</a> <a href="https://photog.social/tags/filmphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#filmphotography</a> <a href="https://photog.social/tags/zenite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zenite</a> <a href="https://photog.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://photog.social/tags/lonelytree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lonelytree</a> <a href="https://photog.social/tags/colourfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#colourfilm</a> <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a>

Obsidian Urbex PhotographyLonely Tree 02📷 Zenit- E 🔎 Mir-1b 37mm Film: <a href="https://photog.social/tags/kodakgold200" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#kodakgold200</a> <a href="https://photog.social/tags/35mm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#35mm</a>Ingleton, England; August 2023<a href="https://photog.social/tags/believeinfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#believeinfilm</a> <a href="https://photog.social/tags/filmphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#filmphotography</a> <a href="https://photog.social/tags/zenite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zenite</a> <a href="https://photog.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://photog.social/tags/lonelytree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lonelytree</a> <a href="https://photog.social/tags/colourfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#colourfilm</a>

Obsidian Urbex PhotographyLonely Tree 01📷 Zenit- E 🔎 Mir-1b 37mm 🎞️ <a href="https://photog.social/tags/kodakgold200" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#kodakgold200</a> <a href="https://photog.social/tags/35mm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#35mm</a>Ingleton, England; August 2023<a href="https://photog.social/tags/believeinfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#believeinfilm</a> <a href="https://photog.social/tags/filmphotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#filmphotography</a> <a href="https://photog.social/tags/zenite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zenite</a> <a href="https://photog.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> <a href="https://photog.social/tags/lonelytree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lonelytree</a> <a href="https://photog.social/tags/colourfilm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#colourfilm</a> <a href="https://photog.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a>

GeologistsCatToday 2a ago my humans met this little <a href="https://mastodon.social/tags/toad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#toad</a> during <a href="https://mastodon.social/tags/hedgewatch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hedgewatch</a> & found also this piece of <a href="https://mastodon.social/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a> with <a href="https://mastodon.social/tags/fossils" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fossils</a>. The fossils are stems from <a href="https://mastodon.social/tags/crinoids" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#crinoids</a> i.e. small animals also called <a href="https://mastodon.social/tags/sealilies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sealilies</a>. We love this name Humans <a href="https://mastodon.social/tags/PawForScale" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PawForScale</a> <a href="https://mastodon.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geology</a> <a href="https://mastodon.social/tags/geologywithcats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geologywithcats</a> <a href="https://mastodon.social/tags/amphibia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amphibia</a> <a href="https://mastodon.social/tags/nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nature</a>

Chuck DarwinThe <a href="https://c.im/tags/Batagay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Batagay</a> or <a href="https://c.im/tags/Batagaika" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Batagaika</a> crater in Siberia often referred to as the "Doorway to the Underworld" or the "Gateway to Hell" is a <a href="https://c.im/tags/permafrost" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#permafrost</a> <a href="https://c.im/tags/megaslump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#megaslump</a> in Yakutia, Russia. Dimensions vary by source, but the site covers around 192 acres (78 hectares) and stretches two thirds of a mile (one kilometer) in length. Logged of trees in the 1960s, its walls reach a depth of around 180 feet (55 meters) and expose 650,000 years of geologic history. Since first spotted in the 1960s by surveillance satellites, the crater has grownfrom an insignificant gully to a massive depression at an accelerating rate. According to Sarah Cadieux, Sr. Lecturer and Associate Director of Environmental Science of Rensselaer Polytechnic Institute, the crater area increased by almost three times from 1991 to 2018.The Batagaika crater isn’t a crater at all, it’s a <a href="https://c.im/tags/retrogressive" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#retrogressive</a> <a href="https://c.im/tags/thaw" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#thaw</a> <a href="https://c.im/tags/slump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#slump</a>, a type of terrain called <a href="https://c.im/tags/thermokarst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#thermokarst</a> that occurs in areas underlain by permafrost. No longer cooled by forest cover, the slump has become a self-sustaining <a href="https://c.im/tags/feedback" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#feedback</a> <a href="https://c.im/tags/loop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#loop</a>, a portion of the ecosystem which has tipped into a new state. This is not an isolated case, but rather a rapidly growing problem in the Arctic as 💥it warms three to four times the rate of the rest of the planet since 1979.Called Arctic or polar <a href="https://c.im/tags/amplification" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amplification</a>, this phenomenon is a well established fact measured by instruments, confirmed in climate computer models, and reinforced by paleoclimate records. Powerful anecdotal evidence occurred in the scorching heatwave of 2020 that saw the Russian town of Verkhoyansk which lies north of the Arctic Circle hit a stunning 38° C (100.4° F) on June 20. 2020 also saw overall temperatures in the Siberian basin rise to nearly 11° F above normal, shocking scientists and releasing <a href="https://c.im/tags/ancient" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ancient</a> <a href="https://c.im/tags/methane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#methane</a> not from ancient organic material, but from <a href="https://c.im/tags/limestone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#limestone</a>. Elevated methane in wetlands was expected, but not from <a href="https://c.im/tags/outgassing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#outgassing</a> <a href="https://c.im/tags/rock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#rock</a>.A year later in 2021 Europe’s climate change service Copernicus Sentinel satellites recorded 118° F (48° C) in the Sakha Republic of Arctic Siberia, and records continue to fall with temperatures over 100° F in 2023 as reported by CNN.<a href="https://spore.social/@gdeihl" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@gdeihl</a><a href="https://geoffreydeihl.substack.com/p/permafrost-maybe-not" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://geoffreydeihl.substack.com/p/permafrost-maybe-not</a>

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