22 January 2013
Fold mystery – UPDATED
Posted by Callan Bentley
What can you tell me about this new fold sample I recently acquired?
Width of sample is 12.5 cm. The face you’re looking at was cut but not polished. Here’s a close up:
With layering annotated, to highlight the disharmonic nature of these folds:
Anyone have any guesses what’s going on here?
——————– UPDATE ——————
Simon Wellings guessed it – this is a lasagna! I changed the color in Photoshop so you wouldn’t be distracted by its foodness, and would instead focus on its foldness.
Thanks for playing along!
Do you see geologic lessons in your food too?
Looks a little like malachite-type stuff that got deformed. Maybe I am being misled by the colour though…. https://www.google.com/search?tbm=isch&q=malachite&tbs=imgo:1&biw=1680&bih=955&sei=-Zn-UNv2AsOBhQeF44CgCg has some examples that look very vaguely like it….
Possibly a chemical precipitation of some kind? Pretty cool though.
Alternatively, a partially-baked cake was stirred.
Looks like the darker green layers were made of stronger stuff – or were more crystalline during deformation – and thus kept their shape better during compression. The light green deformed massively, but was semi-crystalline and so didn’t expand/settle into void spaces.
contraction after dehydration?
I’ll be attempt to say there was a kind of disturbances or something like boiling that stopped rapidly due to a difference between two opposite conditions hot and cold
Lasagna? If the folding if caused by changes in volume of particular layers, all sorts of tasty shenanigans are possible.
Congratulations – Simon wins! It’s a photo of lasagna, and then of course I dipped it in Photoshop to obscure it a bit… Nice work.
Well played. Evil, but well played.
Ha! Very clever. Reminds me a little of George Davis’s structural geology pizza. (Didn’t you post on that, too, once upon a time?)
Aye, it’s true.