this post was submitted on 04 Dec 2024
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solarpunk memes

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for the non-pedologists:

Sandy clay is a textural box on the soil triangle. It's small and requires the absence of silt. The reason we joke about them not existing is because of the size of the box and how far apart the two grain sizes are. There are very few scenarios where sand and clay would be deposited and not silt.

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[–] saltesc@lemmy.world 9 points 7 months ago* (last edited 7 months ago)

Sasquatch enjoy solitude. Sasquatch no like humans. Sasquatch work hard to enjoy J in peace by sandy clay river. Sasquatch happy.

[–] Rubanski@lemm.ee 9 points 7 months ago
[–] Kolanaki@yiffit.net 7 points 7 months ago

Sandy Clay has ruined many an embarkation location for me in Dwarf Fortress because the map will say it has sand and clay, but sandy clay is not able to be used for sand or clay. I don't even think you can grow crops on it.

[–] pruwybn@discuss.tchncs.de 3 points 7 months ago (1 children)

Also what's the deal with the weird shape of the Sandy Loam section? At the bottom center, there's a point where you could start with loam, then remove clay and add silt to get sandy loam. It has the same amount of sand!

[–] ZombiFrancis@sh.itjust.works 2 points 7 months ago

Part of it has to do with loam being a balance of clay, sand, and silt but not equal parts of each. Another part of it has to do with the outsized weight clay content has on the soil characteristics.

This is also why loamy sand and sand are angled as they are in the chart.

[–] Shawdow194@fedia.io 3 points 7 months ago
[–] LibertyLizard@slrpnk.net 2 points 7 months ago* (last edited 7 months ago) (1 children)

So it is possible under some circumstances? I’ve actually wondered about this.

I guess it’s probably been created by people occasionally. I’ve had customers say they’re going to add sand when I tell them they have heavy clay. My colleagues always told me this won’t help but I’ve never investigated further.

[–] Nyssa@slrpnk.net 2 points 7 months ago

The only references I can find for such soils are when there are highly stratified C horizons where a component may be sandy clays, like the Lohmiller series, at least that's my interpretation of the description

https://soilseries.sc.egov.usda.gov/OSD_Docs/L/LOHMILLER.html