Stephen Michalchuk
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stephenmichalchuk.com
Stephen Michalchuk
@stephenmichalchuk.com
🇨🇦 Post Doctoral Research Geologist
#pseudotachylyte #mylonite #shearzone #garnet #plagioclase #geothermal
https://www.stephenmichalchuk.com
IG: @powphotog
May 3, 2025 at 1:01 PM
What a week @egu.eu. Lots of interesting presentations and fantastic sunny hot weather in Vienna! Sadly, not enough schnitzels! Oh well, maybe next year. @sheared-sash.bsky.social
May 3, 2025 at 1:01 PM
The return of the pre-EGU fieldtrip through the Austrian Bohemian Massif was a fantastic way to kickoff the conference week. Fantastic weather and fantastic organization made it very enjoyable! Thanks Bernhard, Anna, @sheared-sash.bsky.social and Chris. #egu25 @egu.eu @ts.egu.eu 🪨 🧪⚒️ #geology
April 29, 2025 at 8:37 PM
It’s been a hot minute since my last #thinsectionthursday but here’s some things I’m working on these days… anyone else having issues with how2plot in MTEX 6.0? I’ve seen some solutions online.. think they’re working but it’s just so random how orientations get flipped without explicit scripting ⚒️🧪
April 24, 2025 at 1:25 PM
💥 hot off the press and 4 years in the making! My PhD thesis in all its glory! 2 published papers, 1 nearly ready for submission, and an exciting project in the making, all find a home in the pages within. Super proud of my work at Njord w/ Luca Menegon, Kristina Dunkel, & @sheared-sash.bsky.social
March 12, 2025 at 8:19 AM
🚨 Hot off the press 🪨 ⚒️ Where do you come from, where do you go 🎶 fluids that is… after an earthquake in the dry lower crust? We look into this and more using SEM-CL, EBSD, EMPA, STEM, and FTIR!

Hit the link below 👇

agupubs.onlinelibrary.wiley.com/doi/full/10....
February 4, 2025 at 2:22 PM
The Njord Julebord at Det Norske Videnskaps Akademi
An evening of some science and a lot of ribbe🎄 ⚒️🧪🪨🔬
December 6, 2024 at 5:06 PM
🪨⚒️ #thinsectionthursday of a recrystallized quenched frictional melt (pseudotachylyte) from Lofoten, Norway. Plagioclase survivor clast retains deformation twins, reaction between garnet-amphibole. Garnet cores are full of inclusions from rapid quenching growth, then slow growth to form facet GB🧪 🔬
December 5, 2024 at 6:54 AM
One of the many perks living and working at the University of Oslo. Winter mornings are just perfect up here. Sunrise at 8:40am this morning. Could use a little bit of snow in the city❄️ 🔬⚒️🪨🧪
November 29, 2024 at 7:41 AM
⚒️🪨 #thinsectionthursday on a quartz mylonite from… my iPhone camera roll 😂. Could be from the teaching collection or from Australia 🤷🏻‍♂️ I particularly like the “Hawaiian flower” partially recrystallized grain in the lower ribbon. Aloha! 🧪🔬
November 28, 2024 at 12:02 PM
🪨⚒️ Just received my advanced copy of Haakon’s and Christian’s latest textbook, Plate Tectonics. Will be a nice complementary next to these other beauties #earth-sciences 🔬🧪 #geology
November 22, 2024 at 7:38 AM
⚒️🪨 #thinsectionthursday of a corona of garnet enveloping (a weird) biotite within an anorthosite from Lofoten, Norway. This sample was drilled in what we thought was relatively undeformed rock, but plagioclase loves to form tapering deformation twins… so how deformed is undeformed? 🧐 #earth-sciences
November 21, 2024 at 5:35 AM
I woke up to a bunch of new followers, so I should share some things that we do here at the Njord Centre, University of Oslo. Here is my JGR: Solid Earth paper on porosity in lower crustal faults and ductile shear zones using microCT, EBSD, SEM-CL.

agupubs.onlinelibrary.wiley.com/doi/abs/10.1...
November 17, 2024 at 12:26 PM
It might not be #thinsectionthursday, but my Saturday morning coffee has inspired me to post some microstructures from pseudotachylyte fault rocks from Lofoten, Norway.
November 16, 2024 at 9:40 AM
Heading off to #Vienna for #egu24. Many of my fellow Njord ECS members are giving presentations! Check them out and see you there! @hugolantman.bsky.social @sheared-sash.bsky.social @eurogeosciences.bsky.social #schnitzelfest
April 14, 2024 at 6:15 AM