Yikes, the images! Sorry, my fault.
A crust below the crust. Hope it’s well lit
She looks like she’s holding a Hostess cupcake.
Sorry...
Interesting stuff. The entire central portion of Idaho is a batholith which is one big piece of rock that was formed out of granite at depth and then eventually floated to the surface because granite is lighter than the surrounding rocks. Whoever figured that one out has not tried to pick up any of the granite boulders that inhabit the soil everywhere I try to dig a hole on my property in north Idaho! But I digress. It is pretty likely that all of the subduction along the plate boundaries in the Pacific contributes material to the mantel in some way. Maybe Hobbits too. You know, I wonder if AOC is a Hobbit?
What could cause significant chemical differences?
...
We need to send somebody down there to find out. Who should we nominate?
Arne Saknueson told about this ages ago. //sarcasm
Their statistical model didn’t allow for precise height determinations, but there’s a chance
Journey to the Center of the Earth.
If there are mountains then there must be seas and dinosaurs. Just need a Scotsman to lead the way.
https://www.imdb.com/title/tt0052948/
“
Massive 1994 Bolivian earthquake reveals mountains 660 kilometers below our feet”
“Thither I came at last, to the uttermost foundations of stone”. And: “at last he fled into dark tunnels. They were not made by Durin’s folk...Far, far below the deepest delvings of the Dwarves, the world is gnawed by nameless things”.