Emily J Chin
@e8chin
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At the core of every continent lies a cold, ancient heart. Associate Professor at Scripps Institution of Oceanography. Self-taught artist, natural history ♥️
San Diego, CA
Joined September 2020
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Official notice came in today- I’ve been promoted to Associate Prof with tenure! A huge thank you to all my mentors, friends, family who helped me get to this point. Now I just need some new business cards 😎
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@Bernstein
I am also amazed when my husband puts my expensive face goop on and all of a sudden it’s like that scene in LOTR when Theoden is released from the spell and turns back into a young less wrinkled man. Your wife should be proud, just make sure you use the tiny spatula to take the
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Some cool plagioclase twins in a granulite. (EBSD Euler map).
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#ThinSectionThursday
Beautifully tortured peridotite xenolith from Baja California. Field of view is the entire thin section, cross-polarized.
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If I could have a stained glass window, it would be of this IPF (inverse pole figure) EBSD map of an insanely porphyroclastic peridotite xenolith. If you think mantle rocks are "boring"... I hope this changes your mind 😉
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If you haven’t heard from me recently, this is why ♥️ Baby Chloe arrived on the scene on Sept 20, weighing in at a whopping 9 lb 3 oz and 21 inches. We’re at home and doing well! 👶🏻🥰🤱🏻🐣🐦🐷🌸
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Spending this rainy afternoon working on a few examples for upcoming Petrology lab. Missed doing this. You understand so much more when you draw it.
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My title slide for the introductory phase diagrams lecture in my Petrology class for tomorrow.
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I made a "Rosetta Stone" for understanding olivine deformation. As a geochemist who crossed over/integrates with rock deformation, it took me a while to get this down like the back of my hand. Hope it helps someone else out there 😄
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Last time I made this figure, I was a grad student and used it to learn the geologic history of the Western US. A ~decade later, I'm making some improvements. I will use this in my lecture next week on Paleozoic geology of Western North America.
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1 slide guide to how to stipple and create the illusion of texture, color, and so much more... all with just one pen. I show this in our 1st Petrology lab when students draw rocks as viewed under the microscope.
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How I published 1 paper during my 2.5 year postdoc:
- it was my final PhD paper
- I was learning a brand new technique (EBSD) that wouldn’t yield results till towards the end of my postdoc
- I was planning my wedding (so basically another full time job 😂) while my fiance was
How I published 13 first-author papers during my 2.5 year post-doc:
- All the data were already collected
- 5 papers were literature reviews
- I read incredibly fast
- I write even faster
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Sample prep for SIMS analysis of water in minerals with almost no water: After hours of handpicking only the most beautiful and perfect grains, I carefully make a nest in the soft indium and press each one. Stay tuned for the next step in my next tweet
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Coarse-grained peridotite from the Sierra Nevada, California.
#ThinSectionThursday
#peridotite
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Happy Gregorian New Year! 2,021 brought our 好得意 (hodukyi), our nickname for Chloe since before she was born, which means “very cute” in Cantonese. Children give us hope for a better and brighter future ♥️
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Like field camp, classical crystallography is fading from undergrad geo curricula. I think there’s so much (beyond just the “knowledge”) that can be gained from visualizing symmetry in your head and how it can be expressed in essentially a universal written language. 1/
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Baby’s first biotite. Schist in my childhood home on Long Island
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Personal science milestone: one of the first papers I wrote as a new assistant professor just got 100 citations. I was about a year in to my new TT job, no lab, no instrument, so I wrote a review/synthesis paper on cumulates. The idea started at a Gordon Conference with 2 other
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Observing and drawing through the microscope. Garnet peridotite thin section.
#SciArt
#thinsection
#geology
#petrography
#rocks
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@SatiricalMommy
Hey that’s what I did as a kid, and I grew up and got a PhD and am a professor now! I remember my mom standing up to all the other school moms and saying proudly “I just let them play, read, we go to the beach, that’s it.”
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@wanyeburkett
Yep last time my husband got a hospital photo, looked like the Shroud of Turin 😂
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After grains are mounted, it’s several hours of hand polishing to achieve a mirror finish. Takes me about a solid day’s work to complete one of these. Then it will be gold coated and put into the SIMS for analysis.
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Haven’t painted in over a decade. Rediscovering the simple joy of watercolor. View from my amazing office at
@Scripps_Ocean
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More Petrology sketching. One of the xenoliths I studied during my PhD had some amazing deformed orthopyroxene. I attempt to illustrate what it looks like under crossed polars with just stippling to show the kinked parts of the crystal. Black = garnet. No ornament = olivine. 40X
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Merry Christmas! I did this green kingfisher in colored pencil. May you all have a good new year and be as focused as this guy is on his goal 🙂
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A full thin section scan in plane-polarized light of a komatiite. Spinifex texture does really look like grass. Another rock from the Collections at
@Scripps_Ocean
.
#thinsectiontuesday
#rocks
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It is possible to do decent stuff with cheap materials. Before I settled on purchasing the basic Staedtler colored pencils for petrology lab I tested them out. Didn’t even need all 12 for this leopard frog
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So sad to hear of An’s passing. He helped me a lot when I was starting out as an assistant prof. He took many non-structural geologists under his wing and took the time to show us amazing things in the field. I learned so much! Here’s in the Whipples in 2020. Will miss you, An.
Saddened by the unexpected loss of UCLA Professor An Yin, a dedicated teacher & renowned geologist. Our thoughts are with his family. Rest in peace, Professor Yin. 🙏
#RIP
#InMemoriam
@UCLAEPSS
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How I spent my Memorial Day - making this timeline for Tuesday's lecture on "Rocks Through Time" in Petrology.
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Check out my new paper in Tectonophysics, integrating EBSD and volatile/trace element geochemistry of cratonic xenoliths impacted by flat slab subduction. Aside from the geology story, we really milked these EBSD datasets for every drop of new data!
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#ThinSectionThursday
here's a minor rarity: an orthopyroxenite xenolith (with trace amounts of cpx) from Dish Hill, CA. I collected this a few years ago, it was a very teeny xenolith in a sea of peridotites. Full thin section scan (long dimension ~2 inches)
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SEM and microprobe people, u know this feeling. 😂
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A year of pandemic Zoom teaching done. I taught 3 classes, all of them originally lab (Petrology) or field-based (Field Methods). Students pretty burned out by the end of it all. I hope I never have to teach on Zoom again.
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I’m alive. Just haven’t been on Twitter much because parenting is relentless and awesome, and simultaneously transitioning back to using brain for science, while managing everything else- is an ever-escalating exercise in time management and brutal efficiency 🤯❤️
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Preprints seem to be a rage rn. Personally, I don’t like the idea of exposing a paper I’ve submitted before it’s been put thru review, since of course there are flaws. But I am more paranoid about being scooped on ideas or things in the discussion. I sense i'm in a minority tho?
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My PhD student went viral on Twitter. But I promise the gradual shift from bright eyed undergrad to grumpy PhD student look is only partly my fault 😂
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Congrats to Dr.
@Geo_Gingerbeard
Ben Gruber! First PhD student out of the Chin Lab! 🪨🤘🍾 Great work, Ben! It was an honor to be your PhD thesis advisor!
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We call this the Nickelodeon xenolith. EBSD phase map of a lower crustal granulite (not much deformation going on, but, cool mineralogy!)
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None of these are perfect for a 10-week igmet pet class. So I end up using bits and pieces for all of them; but maybe I should write my own book one day? 😄
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A paradigm shift is underway for graduate education. If you’re thinking of doing a PhD, consider what your underlying motivations really are. A PhD is ultimately a creative act. And creativity is something that should drive the PhD experience. This can’t easily be atomized and
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A rock you won't see everyday: garnet quartzite xenolith from the lower crust (Sierra Nevada, CA). In XPL the very coarse grain size of the quartz grains is much more obvious - this 1'' section is dominated by 2 huge grains.
#Quartz
#Rocks
#thinsection
#geology
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Genius. Thin section movie night!
Made a thin section projector with an old camera lens. Projected hornblende grain on the wall having a size of a pen. cleavage clear. And the light is polarized to show interference colors.
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Intracratonic basins are so interesting. Consider the Belt Supergroup. How did 15 km of mostly clastic sediment accumulate? 15 km. Most clastic wedges are what, ~5-10 km at most? What was going on with lithospheric loading in the Neoproterozoic?
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1/ Happy to share our newest paper in JGR, on H2O in granulites! The title, "squeezing water from a stone", was born out of both personal and intellectual struggles with this paper...
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So close... someone please cite me one more time so I can hit 1,000! 😁
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It took ~2 years, but our Geophysical Monograph chapter on magma from mantle to surface is finally published! With
@DrRockChef
and
@Sarah_Lambart
🌋
Tracking the Evolution of Magmas from Heterogeneous Mantle Sources to Eruption
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Check out our new paper w/
@CinTyLeeEarth
just published in EPSL. Through trauma comes strength - how do cratons become so strong? The answer may be in what the grains are doing!
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I know it’s a few days early, but HMart was already giving out red envelopes at checkout, so here’s our Little Baby Boss LNY Drop! 4 months old and rockin’ the baby cheongsam 🧧💰♥️🥰
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I’ve found that Stonehenge Legion paper is the best for me when working with color pencils. The right paper is huge, I’d say even more important than using the “best” pigments.
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#ThinsectionThursday
BSE Si map of corona textures in a granulite xenolith. Mineralogy- garnet, plagioclase, cpx, Fe-Ti oxides. Mind-boggling how delicate and wispy these structures are in a rock that equilibrated at 800 C...
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The first paper I opened up this morning (from the 1999 Intl Kimberlite Conference) 😊🥔
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I love seeing thin sections side-by-side, each map showing something different. I'm once again working on the Wyoming Province. So many interesting things going on, I feel like even after a few papers we published recently, we've only hit the tip of the iceberg...
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Enough of that paleo stuff.. now we’re moving on to the real fun and covering Paleozoic to Mesozoic tectonics and magmatism of North America in our historical geology course!
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bit early for
#ThinSectionThursday
(unless you're in Australia!), but here's a killer schist from our geological teaching collections
Half of the fun in TAing is stumbling upon gems like this thing! This garnet-mica schist is making an appearance in tomorrow's metamorphic petrology lab taught by
@e8chin
!
#Geology
#Science
#gradschool
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Isotope geochemists: down to make a version for the mantle zoo? 🙃
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Happy Holidays, all! I made this for fun last year, using Adobe Illustrator. Drew a quick sweater, then cropped one of our coolest EBSD maps of a peridotite mylonite into a custom swatch. Sorry, digital sweaters only at this time 🎄
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Starting to prepare for my spring classes. I'm amazed we have 20 students in Petrology! Very exciting after years of pandemic Petrology, which sucked. And I'll also be teaching Historical Geology for the 2nd time, so it should be better this time around.
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I only get new frames every ~5 yrs, but when I do, I have to absolutely ❤️ them. So far, I'm really digging these acetate/titanium 👓 by Oliver Peoples. Expensive, but probably in the long run cheaper than buying a pair of Warby Parker every year..
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Handblown glass cups I made in college Intro to Glassblowing, 15 yrs ago. I took advantage of the fact Tulane was one of the few undergrad institutions with a full-time glass shop where undergrads could take studio glass class. Loved every minute of it!
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This year in petrology, I am going to do an "Excel Power Hour" early on during lab. I'm finding that most students have no clue how to use Excel. But it's still a very useful tool. I mean, who does their tax projections and household budgets in Python? Spreadsheets are great.
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Took the dive into mirrorless and got a Fujifilm X-T30. So far just have 15-45 mm kit lens. ❤️ wide angles. At Torrey Pines, La Jolla, CA.
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It’s ironic that, after a year of lockdown and me doing 99% of all the home cooking, I’m now really keen on how make my dishes faster. Upgraded to a 6 quart pressure cooker. Harnessing the power of PV=nRT and never looking back! 💨🔥
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Chin Lab members James Muller (PhD student) and Jamie Worthington (postdoc) returned recently from 1 month of fieldwork on rugged Guadalupe Island as part of our
@NSF
project on fossil spreading centers. They just finished the preliminary sample cutting and organization here at
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Hi everyone, I'm giving an informal science+art chat on Friday moderated by
@CinTyLee1
. If you want to hear some science about xenoliths and also learn about my journey as an artist, feel free to join! Thanks for reading 🙂
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SIO is hiring! Please consider applying, especially if you do interdisciplinary research bridging geology and geophysics.
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I'm giving a guest lecture on scientific illustration for an SIO bio class, so I did some example sketches from preserved specimens. Silver hatchetfish (pencil); Abraliopsis squid (stippling w/ pen). Can't wait to examine these under a microscope & draw them up close & personal!
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Happy Easter, only one of us looks normal (who said professors don’t have drip 😎)
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Highlight of my day was me burping and then our 4 month old baby letting out a ripping belly laugh in response. She’s only laughed like 3 times before this.
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@CinTyLeeEarth
PhD students from the UCSD music dept collaborated with me to interpret thin section images of peridotites. Music was really cool! It’s an ongoing project
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Current work bookpile 🤓 Prepping for two classes next quarter. I can never decide on ONE petrology text, so instead I pick things from all of them. On the right - stuff for historical geology. We’re teaching from a text, but I still like to glean from elsewhere 😄
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Exciting lab manager/technician opportunity at SIO. We are looking for someone to run a brand-new MC ICPMS and clean lab in support of multiple geochemistry groups at SIO. Ad below:
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There are days when I wish I had an electron microprobe near me (in the department or on campus).. I miss doing probe work.
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This is going to be an unpopular opinion, so go ahead and pile on your comments 😏 Why I don't preprint my papers: 🧵
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This container of black peppercorns moved with me 5 times over 10 years and saw me thru finishing PhD, postdoc, and getting tenure. Goodbye old friend, u were the key to hundreds of beef stews.
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All this talk of Oppenheimer. For a fascinating and highly readable book which gives a lot of context and history read the book by Richard Rhodes. In fact, if you’re an isotope geochemist you should definitely read it!
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Reposting since this seemed to not show up on my main feed: Check out our latest paper on a new parameterization of water solubility in the mantle, with a new xenolith compilation too!
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