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Chicago O'Hare digs up 50-ton boulder under airfield, asks public for name ideas

simpleflying.com

121 points by Stratoscope · 106 comments

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cmrx64

https://news.wttw.com/2026/09/11/rock-star-meet-guy-who-exca...

here’s a picture of the actual rock - and digger! phew!

  • StratoscopeOP

    That is a wonderful article!

    > Over the years, Pitelka has rescued some of these rocks and deposited them at his mom’s five-acre property, including a large hunk of limestone that, when he dumped it out of his truck, split in half to reveal a perfect trilobite fossil, convex on one side and a matching imprint on the other.

    > “I was so excited to hear that the right people got involved,” he said. “I’m absolutely ecstatic it’s going to be on display. For me, as an (excavator) who loves boulders, it’s the coolest thing that people understand its historical significance and appreciate it.”

  • mathgenius

    They should name it after this guy, the Pitelka rock.

  • xnx

    That rock couldn't have been found by a better guy.

  • ComputerGuru

    TFA has a picture as well; just scroll down.

  • aktenlage

    Thank you, great read.

matthewsinclair

Surely it has to be “Boulder McBoulderface”?

[0]: https://www.bbc.co.uk/news/uk-36225652

StratoscopeOP

Here are the name finalists:

  • Sweet Stone Chicago
  • No ORDinary Rock
  • Chicago Rocks
  • O'Rock
  • Orchard Rock
  • Da Rock
"No ORDinary Rock" and "Orchard Rock" are the winners for me. They both pay tribute to how O'Hare got its IATA airport code in the 1940s, when it was called Orchard Field.

So deciding between the two, Orchard Rock is my pick! It's subtle, but the plaque can explain it.

JoeAltmaier

"Mother's Love"

Because, we so often take it for granite.

syspec

Interesting, the construction worker who found is said he never found one that big in all his years working in the field.

I had no idea that would be rare, what makes it relatively rare?

bcaulfield

Should name it Dwayne Johnson and never explain further.

thehappypm

The pioneers used to ride those babies for miles!

chrismcb

That boulder must be the size of a large boulder.

ternaryoperator

Is a 50-ton boulder rare or super-rare?

  • crisnoble

    In chicagoland, yes. For someone who moved there from California, it was strange that rocks hardly larger than a human warranted school field trips and plaques. Perhaps it is geologically cool, but I was unimpressed as a 6th grader. https://live.staticflickr.com/65535/53236492797_60069bde90_b...

  • waltbosz

    I thought the same thing. My back yard is full of huge rocks. Nothing quite that large, maybe 1/3 of that size. A few doors down there is a boulder twice as big as the O'Hare one.

    I'm speaking in volume. I'm not sure of the mass of these boulders.

  • quickthrowman

    In an area that was covered by a glacier in the last 20k years, yes.

    Chicago was covered by ice during the most recent glaciation, which means that boulder is probably a glacial erratic covered by till leftover from the movement of the glacier.

    • kristianp
    • rags2riches

      It's not just the fact that the area was covered by ice. The local geology is also a factor.

      Glacial erratics are everywhere in Scandinavia, which also obviously was covered by the ice. Small ones, like in the article, are scattered all over. Large ones weigh thousands of tons and may often be mistaken for bedrock.

      I suspect there are other areas in North America where that's also true.

  • hoppyhoppy2

    Dunno, but I haven't ever come across one on my property.

  • Yizahi

    Medium-rare I would guess

  • tptacek

    Not from the look of it.

PyWoody

If you're ever in the area of Madison, NH and have absolutely nothing else to do, the Madison Boulder is kinda neat. [0] It's a little bigger at about 5k tons.

[0] https://en.wikipedia.org/wiki/Madison_Boulder

  • stutstev

    With New Hampshire mentioned, I must make mention of one glorious boulder that sits alongside Rumney's Quincy Road[0]. This is worth checking out if you're visiting the Plymouth area. Street View doesn't do it justice.

    [0] https://maps.app.goo.gl/L4EcqopjLqvX9HQMA

  • codethief

    > It weighs upwards of 5,000 short tons (4,500,000 kg).

    TIL there's something called a short ton.

toddmorey

“I am going to show you where on earth in the future we will find the biggest rock: Space.”

https://youtu.be/aO0TUI9r-So?si=7fNwDvf86GpVFxDR

lukeify

O’Hareball!

fortran77

I thought a 50 ton boulder would be bigger!

huxley

“A large boulder the size of a small boulder"

https://time.com/5772944/large-small-boulder/

  • entrope

    I was going to suggest something in that vein, perhaps "a giant boulder the size of a large boulder" to distinguish it from its Coloradan cousin.

wffurr

Glad they included a video of moving it. 50 tons is close to the limit of a typical boom crane.

karlkloss

Rocky McRockface

whycome

When Toronto had to name their team, I’m sure that the success of Jurassic Park helped the finalist (Raptors) win. I’m surprised “Rocky” didn’t make a finalist here (via Project Hail Mary).

Maybe that’s too Philadelphia.

O’Hare “Rocky” Dolomite

jsd1982

The Boulder. No Avatar references yet?

JoeAltmaier

Pictures or it didn't happen?

mikewarot

Tangent time: I've got a smaller one in my yard, and I've got a set of feathers and wedges to avoid having to dig it all up at once. Here's a video of someone using feathers and wedges to split granite.

https://youtu.be/s7_z-SGxUAs?si=vUKYBWYvG7nncszd&t=924

dbcurtis

Years ago, a company that I worked for had a huge boulder in the parking lot area that had simply been built around. At some point, facilities decided they were going to remove the boulder. Employees printed up some tee shirts that said "Save the BFR". Because, you know, it was a big rock.

markstos

O'Bollard.

nyc_data_geek

Rocky McRockFace

wewewedxfgdf

Biggie.

MadrasTh0rn

CHIrock or CHI (shy) stone

pvaldes

Stonehangar, of course

shmilia

Bean

lifeisstillgood

“Deep Crust” surely?

mrlonglong

Bouldery McBoulderface.

pfdietz

Crystal

AmazingEveryDay

What means "prehistoric boulder", are not essentially all boulders prehistoric? I just don't know what a historic boulder would even mean. Something in Raiders of the Lost Ark?

  • rags2riches

    This boulder was broken off and shaped by the ice thousands of years ago. New rocks fall off mountains all the time.

ashton314

Peewee Pebblestone

futuresoonpast

Rocky, obvs.

wewewedxfgdf

Big Boy Boulder

contingencies

As an Australian aware of Chicago's Irish heritage and the implied weight balancing our antipodean clime, I'd suggest "Tip O'Dea".

PS. If visiting Chicago check out the Lincoln Park Conservatory, an amazing historic plant collection with one of the world's best ferneries, very close to downtown. https://www.lincolnparkconservancy.org/projects/conservatory...

mindslight

There's something about finding huge rocks in the ground while digging that makes you just want to take them out and like, use them for something? The last one I found I had to make myself leave it there (well I moved it over a foot so a pipe didn't have to go around it). Like no, it has sat here for thousands of years just fine, it can keep sitting. Glad to hear it applies to 50 ton ones, as well.

powerbroker

There is another rock sitting alongside a chief artery about 25 miles NW just beyond Schaumburg. Silly to give these things a name.

  • StratoscopeOP

    There are big rocks everywhere. But surely we can be allowed to have a little fun?

    • powerbroker

      OK, OK. just drag it up to Schaumburg. Put it next to the other rock. Then call it 'micro-henge'.

willmadden

I nominate "Boaty McBoatface".

hal-eisen

How is it possible that NONE of the candidate names refer to Colbert? Especially given his time with Second City.

https://en.wikipedia.org/wiki/Cultural_impact_of_The_Colbert...

  • tptacek

    Colbert is not a Chicago figure. You'd have to remind the median Chicagoan who knows who he is that he ever spent time here. You might just as easily name it after Bob Odenkirk.

    • dhosek

      And at least Odenkirk sounds like he’s from Chicago (because he is). Colbert’s time in Chicago was a short part of his life.

      • tptacek

        Berwyn, technically! Our neck of the woods. :)

        • dhosek

          He grew up in Naperville. Wikipedia says he was born in Berwyn, which I assume just means he was born at McNeal, but I don’t think he ever lived there or there’d be a bigger deal made of it by the local gentry. But that voice is hardcore inner suburbs/southwest side. I had no difficulty believing Jimmy McGill grew up in Cicero.

  • nonethewiser

    I dont get it. Does he have some association with large rocks or something?

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