Latest / Stuff You Should Know / Short Stuff: Mesas: Flat
Transcript
- 0:04Speaker 1: Hey, and welcome to the Short Stuff. I'm Josh, and
- 0:06Speaker 1: there's Chuck and Dave's here again, which makes this a
- 0:08Speaker 1: special edition of short Stuff. Don't you feel special, Chuck does.
- 0:13Speaker 1: It's short Stuff. Let's go. So this had a recent
- 0:17Speaker 1: inspiration as well as the last one that we just
- 0:20Speaker 1: recorded about washer women. This one was Emily and I
- 0:24Speaker 1: for her birthday. Every year we go to a new
- 0:26Speaker 1: place that we've never been for a weekend. Uh it's
- 0:29Speaker 1: some place it's not, you know, obviously super far because
- 0:31Speaker 1: it's like a long weekend and we look at a
- 0:33Speaker 1: map and just say, like, this looks interesting. And this
- 0:36Speaker 1: year it was Santa Fe, New Mexico. Awesome, highly recommend
- 0:40Speaker 1: Have here been there? I don't think so. I may
- 0:44Speaker 1: have driven through, but it's possible it was a different
- 0:47Speaker 1: part of New Mexico. I'm not sure. Great town. UH
- 0:49Speaker 1: didn't know it, but it's like one of the art
- 0:51Speaker 1: capitals of the world. Uh. There's a road called Canyon
- 0:54Speaker 1: Road where there's literally a hundred plus galleries and you
- 0:57Speaker 1: just start at one end and start walking. Uh. Great
- 1:01Speaker 1: food to the best meals I've ever had in my life.
- 1:03Speaker 1: But on the drive from Albuquerque to Santa fe Emily
- 1:07Speaker 1: looked over at the expanse and said, what's that big
- 1:10Speaker 1: flat mountain over there? And there's like a few of them,
- 1:15Speaker 1: and I went, I don't know. And then I went,
- 1:17Speaker 1: wait a minute, and this is a kid from the
- 1:19Speaker 1: South and a and his wife from the Midwest. You know,
- 1:23Speaker 1: because it sounds like we're dummies that we didn't know
- 1:25Speaker 1: what this was, But you know what I said, I
- 1:26Speaker 1: think that's a mesa. I said, I think a mesa
- 1:29Speaker 1: is like a flat topped thing, and it is. And
- 1:33Speaker 1: now we're gonna talk about it. Yeah, all those road
- 1:35Speaker 1: Runner cartoons paid off finally. Yea, yeah, definitely. So um
- 1:42Speaker 1: the mesa is named after the table, and it's a
- 1:46Speaker 1: Spanish word for table. And the reason that it has
- 1:48Speaker 1: a Spanish name is because in the sixteenth century Spanish
- 1:51Speaker 1: explorers slash conqui stores slash colonialists I guess, came up
- 1:57Speaker 1: from Mexico in search of Umu's city of gold called
- 2:01Speaker 1: the Seven Cities of Cibola, which I had never heard of,
- 2:04Speaker 1: but it's basically akin to El Dorado. And of course
- 2:07Speaker 1: they didn't find it because those kind of lost cities
- 2:09Speaker 1: of gold don't actually exist, but they did see some
- 2:13Speaker 1: really amazing geological features that no European had ever seen.
- 2:17Speaker 1: And one of the things that they slapped a label
- 2:20Speaker 1: on was those amazing maces that you saw. And again
- 2:23Speaker 1: they called it table because it's a flat top and
- 2:26Speaker 1: sides that drop off very steeply. That's right. Uh, you
- 2:29Speaker 1: can't talk about maces though, without talking about their flatheaded partners.
- 2:34Speaker 1: The beaute and the plateau and the beginning of the
- 2:38Speaker 1: nineteenth century is where the word beaute came from. Of course,
- 2:41Speaker 1: from the French. Uh. It is not a Spanish word
- 2:44Speaker 1: at all, but a beaute and a mesa. Depending on
- 2:48Speaker 1: how you talked to There may be a definition, like
- 2:51Speaker 1: a literal definition of size, like comparative size. But I
- 2:57Speaker 1: think generally you would just say it's a asa if
- 3:00Speaker 1: it is wider than it is tall, and it's abute
- 3:03Speaker 1: if it's taller than it is wide. That seems sensible
- 3:07Speaker 1: because some of these other ones get a little wonky,
- 3:10Speaker 1: like one one definition of mesas it has to have
- 3:13Speaker 1: a surface area of less than four square miles, Like
- 3:16Speaker 1: who can tell, Yeah, who's gonna get up their measure?
- 3:19Speaker 1: If you can look at that with a thumb, even
- 3:21Speaker 1: and be like that's a mesa, that's abute, Yes, and
- 3:25Speaker 1: impress your friends who aren't from the Southwest. Yeah. I'm
- 3:28Speaker 1: just glad I got it right, because I would have
- 3:29Speaker 1: felt like a real dummy if I would have said Mason,
- 3:31Speaker 1: I was completely off. Yeah. So let's let's take a break,
- 3:35Speaker 1: an early break, and come back and talk about how
- 3:37Speaker 1: these things form. Okay, because it's pretty interesting if you
- 3:40Speaker 1: ask me. I agreed. Okay, Chuck, you have masa fever,
- 4:14Speaker 1: so I think you should kick this off. Well, I mean,
- 4:16Speaker 1: both of us love uh land forms, we love geographical
- 4:21Speaker 1: science and earth science, and it doesn't get any better
- 4:24Speaker 1: than maces and buttes and plateaus. My friend. Uh, these
- 4:28Speaker 1: are very very flat on top, and it is basically
- 4:32Speaker 1: due to the rock that is forming them. Uh, it's
- 4:35Speaker 1: sedimentary rock and it's accumulated. This isn't something that happens
- 4:39Speaker 1: in an instant. It happens over millions of years these
- 4:42Speaker 1: things are formed. But Uh, that top rock, it's called
- 4:46Speaker 1: a cap rock, and it's it's flat on top because
- 4:50Speaker 1: it is eroded down to that level. It didn't used
- 4:52Speaker 1: to look like that. It used to probably be more
- 4:55Speaker 1: pointy like a mountain or something, but it has warned
- 4:58Speaker 1: away over the years until it gets to that cap rock,
- 5:00Speaker 1: and then the cop rock says, no, I'm I'm not
- 5:04Speaker 1: going anywhere. I'm too hard to eroad. I may even
- 5:07Speaker 1: be hard and lava for all you know, but I'm
- 5:09Speaker 1: not going anywhere. I'm just gonna be flat, right. That's
- 5:13Speaker 1: not the story for the sedimentary rocks, though. Sedimentary rock
- 5:17Speaker 1: is laid in layers, made up of little particles of rock,
- 5:21Speaker 1: and it's pretty hard. But the old saying live by
- 5:26Speaker 1: the particle, die by the particle has never been truer
- 5:29Speaker 1: when it comes to sedimentary rock, because it can be
- 5:32Speaker 1: weathered back into particles depending on whether it's exposed to
- 5:36Speaker 1: water or wind, that kind of thing. And when you
- 5:39Speaker 1: step back and look at a mesa, what you were
- 5:41Speaker 1: looking at is a piece of land that used to
- 5:45Speaker 1: be as tall as that keptn't That isn't now because
- 5:48Speaker 1: over millions of years, water has run down the sides
- 5:51Speaker 1: and carved a bunch of it, including the surrounding landscape away. Yeah,
- 5:55Speaker 1: and it's it's more water. You did mention when win
- 5:58Speaker 1: has a bit of an effect, but not nearly as
- 6:00Speaker 1: much as water. Uh, And you know it's just cool
- 6:04Speaker 1: like this, Uh, this great article points out that, and
- 6:07Speaker 1: this is one of my favorite things. When you get
- 6:08Speaker 1: a new land form from the million year erosion of
- 6:13Speaker 1: a different land form, like you end up getting something
- 6:16Speaker 1: else entirely. And that's the case with Mace's beauties and
- 6:19Speaker 1: plateaus um plateau. I don't fully get the difference between
- 6:25Speaker 1: a plateau and a mesa. Is it? Is it just
- 6:28Speaker 1: that a plateau only has to have one side that's eroded. Yeah,
- 6:32Speaker 1: it's like the difference between a peninsula and an island.
- 6:35Speaker 1: But land on land. Okay, well that makes sense. Yeah.
- 6:39Speaker 1: And the cool thing is that the plateau is the
- 6:41Speaker 1: grandfather of mesa's and buttes, right, yeah, I mean the
- 6:46Speaker 1: plateau came around first, right. So it's this piece of
- 6:50Speaker 1: land that's pushed up, usually from um magma that wants
- 6:55Speaker 1: to break through the Earth's crust but can't find a
- 6:57Speaker 1: weak enough spot. But it's so strong and there's so
- 7:00Speaker 1: much pressure it actually pushes up a pretty good sized
- 7:03Speaker 1: chunk of the earth at least on one side. Now
- 7:06Speaker 1: you have yourself a plateau. But there may have been
- 7:09Speaker 1: a river on that um that part of the land.
- 7:12Speaker 1: A river might somehow spontaneously form in the rainy season. Um,
- 7:17Speaker 1: there's a lot of ways that water can end up
- 7:19Speaker 1: on a plateau, and as it does, it wants off
- 7:21Speaker 1: that plateau. It wants back to sea level as fast
- 7:24Speaker 1: as it can go. And as it moves, UM, it
- 7:28Speaker 1: takes a lot of that sedimentary rock, not the capstone,
- 7:31Speaker 1: but the sedimentary rock below it with it. Yeah, And
- 7:34Speaker 1: here's the thing with rain out there. It's not like
- 7:37Speaker 1: rain here in the Deep South, where there's all this
- 7:39Speaker 1: rich soil that just soaks all up and it rains
- 7:42Speaker 1: for three days and uh somehow still never floods because
- 7:46Speaker 1: the land is just drinking it up. Those arid landscapes
- 7:49Speaker 1: out there. The rain comes in very hard and very
- 7:51Speaker 1: fast and generally leaves pretty fast, and it's very intense,
- 7:56Speaker 1: and the water isn't or the ground isn't soaking it
- 7:59Speaker 1: up like it is with this rich soil that we have.
- 8:02Speaker 1: So I remember being out west seeing a storm coming
- 8:06Speaker 1: from the distance because you can see forever out there,
- 8:09Speaker 1: and me and my buddy Brett going, man, that looks ominous,
- 8:13Speaker 1: and it got closer and closer and closer until we
- 8:15Speaker 1: were right in the middle of it and saw sideways rain,
- 8:18Speaker 1: saw telephone poles being it was almost a tornado literally
- 8:22Speaker 1: being ripped up and falling across the road in front
- 8:24Speaker 1: of us, and we stopped and got out. It was
- 8:26Speaker 1: so scary, and we saw, I'll never forget it. We
- 8:29Speaker 1: saw water running uphill. Oh yeah, I've heard this story.
- 8:34Speaker 1: I don't know how to explain it. But we saw
- 8:36Speaker 1: a definite like stream of water going and it wasn't
- 8:40Speaker 1: like straight up hill or anything, but it was going
- 8:42Speaker 1: up in incline and I guess that was just a
- 8:45Speaker 1: testament to how much water there was, and it was
- 8:48Speaker 1: looking for a place to be right. It couldn't go downhill,
- 8:52Speaker 1: so it was like, well, we'll just go up I guess,
- 8:54Speaker 1: I mean eventually found a place to go downhill. I
- 8:56Speaker 1: assume we didn't follow it, and we should have. Yeah,
- 8:59Speaker 1: you guys had your inner Bill Paxson and Helen Hunt.
- 9:02Speaker 1: They just didn't get fully engaged. I guess. But this water,
- 9:06Speaker 1: you know, it carries with it a lot of loose sediment,
- 9:08Speaker 1: and the faster it's running, like it eventually becomes a
- 9:11Speaker 1: river and it's just carrying these like, you know, larger
- 9:14Speaker 1: and larger pieces of rock and sediment. That's where your money.
- 9:17Speaker 1: Erosion is going to happen to the point where one
- 9:19Speaker 1: day you may have, like, oh, I don't know, a
- 9:22Speaker 1: grand canyon. Yeah, so that's the river is going to
- 9:25Speaker 1: carve out the canyon. So that comes from a plateau
- 9:27Speaker 1: where it can and then the canyon can be further
- 9:30Speaker 1: divided into things like mesas and eventually beautes. And I think, Chuck,
- 9:35Speaker 1: I might be wrong, but I think abute is this
- 9:37Speaker 1: is uh you um, a younger No, an older mesa.
- 9:43Speaker 1: Wouldn't that be correct? Couldn't that be possible? I guess
- 9:47Speaker 1: because they're tallerant, thinner. Yeah, so it's possible that it's
- 9:51Speaker 1: just lost more off the sides than the mesa that
- 9:54Speaker 1: is nearby, because the Mason's say, hasn't it hasn't been
- 9:58Speaker 1: eroded as long as the ute. But regardless, if you
- 10:01Speaker 1: look at a mesa or a butte, it's it's got
- 10:05Speaker 1: the flat top. It also has the steep sides, but
- 10:07Speaker 1: then at the bottom it kind of slopes gracefully away
- 10:10Speaker 1: in either direction away from it. And um, the reason
- 10:13Speaker 1: why is because that sedimentary rock that that flash flooding
- 10:17Speaker 1: and flash upward flowing water takes with it kind of
- 10:22Speaker 1: deposits a lot of it at the bottom, at the
- 10:25Speaker 1: base of the mesa. But that because it it's characteristic. Look, yeah,
- 10:29Speaker 1: and you know the best thing about this show is
- 10:30Speaker 1: someone who knows a lot more about Earth sciences than
- 10:33Speaker 1: we do. Well, hopefully right in and confirm you and say, yeah,
- 10:38Speaker 1: you were right on it, Josh, Yeah, I'd love hearing that.
- 10:41Speaker 1: Ori gently correct us, and we'll read that. I can't
- 10:44Speaker 1: stand that. Now we're fine with those What else you got?
- 10:49Speaker 1: I don't really have anything else. You got anything else? No?
- 10:52Speaker 1: I think that's it for Masa's ambutes for now. Who knows,
- 10:55Speaker 1: Maybe we'll learn more about it someday and come back.
- 10:58Speaker 1: Shout out Santa Fe. Go check it out. It's a
- 11:00Speaker 1: it's a great town. We missed the balloon festival, but
- 11:03Speaker 1: go down Canyon Road look at art and then the
- 11:05Speaker 1: big shout out to the restaurants, Geronimo and Sason. Literally
- 11:11Speaker 1: to the best meals I've ever had right there in
- 11:13Speaker 1: that little sleepy town in New Mexico. That's awesome. And
- 11:16Speaker 1: happy birthday to Emily too. Um And also I remember
- 11:20Speaker 1: now I haven't been to New Mexico. I was just
- 11:21Speaker 1: confused from watching Breaking Bad. That's right, Chuck laughed a
- 11:26Speaker 1: joke of mine, So that means short, stuffs out,