That feeling of hitting "Submit" on a revised manuscript after Reviewers suggest Minor Revisions 😎 More details soon! #Geology #Geomorphology #EarthScience #QuaternaryGeology #Research

The #EMU #EarthScience Support #Laboratory is getting a makeover! Unboxed our new jaw crusher, plate grinder, and ro-tap sieve shakers today! Soon, #geology faculty will be able to do mineral separation in house! Just waiting on the magnetic separator 🧲 🪨🪨🪨

Just learned about the 1954 Prospect Point #Rockfall at #NiagaraFalls. Amazing video footage of the rockfall as it occurred, too. Caused by dolostone dissolution over time. Will have to incorporate into my #Geomorphology course this fall. blogs.agu.org/landslideblo...

Having grown to love #Australia during my time there in grad school, this is such good news! Protected koalas? ✅ Cultural heritage led by Aboriginal rangers? ✅ Such great news! The world needs more new #NationalParks 🐨 🐨 🐨 www.abc.net.au/news/2025-09...

Brave the wind, and come on down! Check out the #EMU #Geography and #Geology Department table at #STEM Night at #Ypsilanti Community High School! See if you can complete the Rock Cycle, make jolly rancher stratigraphy, and put a 📍 on the Quaternary Map of #Washtenaw County! #EarthScience

Happy #InternationalDogDay to Max, our derpy #dog, lover of #LakeMichigan, and occasional #fieldwork assistant. Unfortunately, he doesn’t have a good nose for finding #MichiganErratics

No, I’m not testing #MichiganErratics for allergies. Dots are #SchmidtHammer measurements that reveal the relative hardness of #rock surfaces. Strong rock ➡️ short exposure; weak rock ➡️ long exposure. #geomorphology #geology #geochronology #GreatLakes

Rock Looked Way Cooler Wet

When the going gets tough sampling super hard #rocks and you bend a solid steel chisel, you know it is time to call in help from #Wolverine! #MichiganErratics #geology #earthscience #geomorphology #fieldwork #research #icesheet #Quaternaryscience #Michigan #GreatLakes

Been back out in the field this week collecting nearly the rest of samples needed to date the Port Huron Moraine built by the Saginaw Lobe of the Laurentide #IceSheet. Hunting for #MichiganErratics in the “Thumb” of #Michigan has been hard because of centuries of farming and other land use

Struck out hunting for #MichiganErratics today, but got to explore a small old growth #forest with black maple, huge beech, and 200-year old hemlock trees at the Caro Airport. Yet another reason why the #GreatLakes are awesome! (Unfortunately, not open to public) #EarthScience #Fieldwork #Michigan

If you listen to the @npr.org Politics Podcast episode for today, you’ll hear yours truly reading out the timestamp, featuring #MichiganErratics and #EasternMichiganUniversity! #geology #earthscience #fieldwork podcasts.apple.com/us/podcast/t...

Woohoo! First sample collected from the Port Huron #Moraine of the Saginaw Lobe of the Laurentide #IceSheet! How long ago? Guess we’ll find out in…oh…a year?! #Geology #Geomorphology #Research #MichiganErratics

New #Geology & #EarthScience recruitment poster up in Strong Hall at #EMU. Hopefully this helps students decide to declare a Geo Major!

Day 5: 🪨🪨🪨🪨🪨🪨🪨🪨🪨🪨 The first complete set of #MichiganErratics for my #NSF research project constraining Laurentide #IceSheet retreat through the #GreatLakes 1 down, 7 to go! #Geology #EarthScience #Research #Michigan

Day 4: Averaging 18,000 steps and covering hundreds of acres daily looking for #MichiganErratics. When I find them, I definitely don’t take them for granted (but they are #granite) 🪨 Ending my hunt on the Outer Port Huron #Moraine with this behemoth left as a gift by the Laurentide #IceSheet

Day 3: @paul-bierman.bsky.social nice gneiss, eh? Migmatite send it your way in the first batch of #MichiganErratics! 🪨 #EarthScience #Geology #Rocks

Day 2 of hunting for #MichiganErratics was less fulfilling…had to ask these turkeys if they knew were any were (they didn’t). At least I found a beautiful over the #ManisteeRiver at Eagle’s View, Springfield Twp. Park

Yesterday was Day 1 on the Outer Port Huron #Moraine (Lake Michigan Lobe) hunting for #MichiganErratics! Collected 4 samples #Geology #LaurentideIceSheet #EarthScience #Michigan #GreatLakes

Yesterday was Day 1 on the Outer Port Huron #Moraine (Lake Michigan Lobe) hunting for #MichiganErratics! Collected 4 samples #Geology #LaurentideIceSheet #EarthScience #Michigan #GreatLakes

Finding more #MichiganErratics for #NSF #geology #research today on the #PortHuronMoraine in #TuscolaCounty #Michigan, including some BIG ROCKS! Had some help from local farmers and wildlife

Sharing new research by my colleague Chris Gellasch and his former undergrad Rose Allen at #EMU! Bogs on the Interlobate Moraine in the Thumb of #Michigan get their water from different sources, which matters for conservation & hydro studies! #Groundwater #Hydrogeology doi.org/10.21663/EEG...

Wow! And I was just there with my family and kids last week! #Geomorphology #Flood #HockingHills spectrumnews1.com/oh/columbus/...

Are you a #Geology / #EarthScience grad student doing #GreatLakes research at Great Lakes university? Do you know one? Please consider nominating them for the inaugural Great Lakes Earth Exchange speaker series at Eastern Michigan University! #GLEEClubEMU docs.google.com/forms/d/1Abn...

🪨 Latest in a series of #Michigan #rock and #mineral identification from #geologists @michiganegle.bsky.social #MichiganErratics #EarthScience #Geology #GreatLakes #GlacialGeology #ice #glaciers #icesheets www.michigan.gov/egle/newsroo...

Announcing the Great Lakes Earth Exchange (aka the #GLEEClub_EMU) at #EasternMichiganUniveristy. The GLEE Club will host 4 speakers each year for 4 years to visit our campus and share their Geoscience-related work with our undergrads. More details to come! #GreatLakes #Geology #EarthScience

We got to go out on this boat in middle school for the day!Awesome opportunities for #GreatLakes #Research and #CitizenScience

Beating the high temps of this heat dome by checking out the stunning Black Hand Sandstone and #geomorphology of Ash Cave at Hocking Hills State Park with the family. Kiddos also got their first try at panning for “jewels” 😍 #Geology #EarthScience #Ohio

First day out hunting for #MichiganErratics for my #NSF award reexamining the timing of #LaurentideIceSheet retreat from the #GreatLakes region. Not all are usable for #10Be dating, but they exist! Will be back up to the Outer Port Huron #Moraine in July to keep the search going #Geology #Research

460’ above #LakeMichigan on the Inner Port Huron Moraine, first family trip to #SleepingBearDunes Doing our bit to support our #NationalParkService and get the girls to their first park unit! Found great limestone #MichiganErratics with rugose #fossils …but no quartz #Geology #Michigan #GreatLakes

The Weather & Climate Livestream is a non-partisan event that aims to share climate and weather science with the American public. Watch live for the next 100 Hours #EarthScience wclivestream.com

Over the next 4 years, I will be looking for #MichiganErratics that we can date for an #NSF #Geology #research project to reexamine the retreat history of the Laurentide Ice Sheet from the #GreatLakes! 1286 letters to landowners sent and 989 more going out today! If you know a big rock, let me know!

Oldest #rock in the U.S. is a #Michigander, coming in at 3.8 billion (with a B) years old! #Gneiss! #Geology #Geochronology #Michigan www.freep.com/story/news/l...

Mixture of ups and downs over the last few weeks: Two #NSF sponsored programs I was participating in were abruptly shut down 😡 (more below), but after more than a year, we received our in situ 14C and 10Be data for erratics on the Sturgis Moraine in Michigan 😁

Happy for my two students, and all the hundreds of other EMU students, presenting progress and results of their research and design projects at the 45th annual #UndergraduateResearch Symposium. Goes to show that even when you don’t have results, you can, and should, still share your work!

Come check out the 45th annual Undergraduate Research Symposium and Design Expo at Eastern #Michigan University this Friday. It is the longest running undergrad #research fair in the country! Hundreds of students presenting and showcasing their achievements. #undergradresearch

Ever wondered how reproducible are #10Be data in the #SantaMonicaMountains following wildfires and atmospheric rivers? Check out our recent paper, published at #Geomorphology, free of charge until May 12, 2025. authors.elsevier.com/a/1kp1l,3sl4...

Some photos of the coolest #glaciers I've been to in celebration of #WorldGlacierDay 1. Tasman Glacier, Mt. Aoraki National Park, New Zealand 2. Arapahoe Glacier, Boulder, Colorado 3. Nisqually Glacier, Mt. Rainier National Park, Washington 4. Skiing on the Greenland Ice Sheet, Kangerlussuaq

Today is the inaugural #WorldGlacierDay to recgonize the importance and impermanence of our planet's ice! www.un-glaciers.org/en/world-day...

Had a great time at the #Michigan Gem and Mineral Society’s 2025 Rock, Mineral and Fossil Show in Jackson yesterday, talking to visitors about #GlacialErratics and research we’re doing at EMU on #GreatLakes glacial history If you’re in the area go check it out this weekend! #RockShow #Geology

New paper alert! "10Be reproducibility in the #SantaMonicaMountains, California: A longitudinal study in a scorched and soaked landscape" Paper is accepted and in press at #Geomorphology www.sciencedirect.com/science/arti... #EarthScience #Geology #erosion #wildfire #atmosphericrivers 1/56

A project I'm wrapping up (paper in review) looks at if and how widespread erosion and mudslides in the #SantaMonicaMountains triggered by heavy rainfall after the 2018 Woolsey Fire changed the concentrations of 10Be that we measured in stream sand in 2016 #geomorphology

Happy #InternationalGeomorphologyWeek! Dug through some old travel photos to find a few of past research field areas: 1. Appalachian Mountains 2. Southeast Australian Tablelands 3. Santa Monica Mountains 4. Isle Royale National Park #geology #geomorphology #fieldwork #earthscience

Spring break means working on ongoing projects including an AGeS-DiG award I received to mentor 2 undergrads using cosmogenic 10Be and 14C to date glacial erratics collected from the Sturgis Moraine in southern #Michigan. Can't wait to see the data! #geology #erratics #glaciers #undergradresearch

Every scientist has access to a toolbox of methods they can use to tackle the questions at hand. As a geomorphologist, mine is filled with geological dating techniques I use to assess when specific geological events occurred at Earth’s surface or learn how fast (or slow!) landscapes are changing.

Hi, I’m Eric, a professor of Earth Science at Eastern Michigan University. I am a geomorphologist, aka a geologist that studies the histories of landscapes and the processes that shape them over recent Earth history (my work maxes out at a few hundreds of thousands of years!)