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Gondwana Rocks | Doug Thost › Portfolio › The Rock That Split Gondwana

Gondwana Rocks | Doug Thost › Portfolio › The Rock That Split Gondwana

Petoskey stones ~ fossilized coral that lived 350 million years ago - the rocks rounded in the surf along the shore of Lake Michigan near Petosky, Michigan

Petoskey stones ~ fossilized coral that lived 350 million years ago - the rocks rounded in the surf along the shore of Lake Michigan near Petosky, Michigan

Dinosaurs In Their Time

Dinosaurs In Their Time

Banded iron formation - Soudan iron-formation member of the Ely Greenstone | Flickr - Photo Sharing!

Banded iron formation - Soudan iron-formation member of the Ely Greenstone | Flickr - Photo Sharing!

***GEOLOGY!***   by coquinete, via Flickr

***GEOLOGY!*** by coquinete, via Flickr

Australia, tesselated pavement on the West head/Lambert peninsula, but this has to be one of the best bits which is readily accessible. There's lots of aboriginal carvings, not that i can find them all. And it's the rock slab itself that i find so incredibly amazing. The different types of pattern ... long flat tiles like this, some parts like cobblestones, five-sided puffy bits, ....

Australia, tesselated pavement on the West head/Lambert peninsula, but this has to be one of the best bits which is readily accessible. There's lots of aboriginal carvings, not that i can find them all. And it's the rock slab itself that i find so incredibly amazing. The different types of pattern ... long flat tiles like this, some parts like cobblestones, five-sided puffy bits, ....

Durdle Door Layers, alternating folds of Portland limestone & shale, near Lulworth | Jurassic, 140 Ma

Durdle Door Layers, alternating folds of Portland limestone & shale, near Lulworth | Jurassic, 140 Ma

folded radiolarian chert What's beneath your grass-covered hills? by cocoi_m, via Flickr

folded radiolarian chert What's beneath your grass-covered hills? by cocoi_m, via Flickr

crownedrose:    It really doesn’t get any better when you can just look at the beautiful deformations in geology. The photo above shows what is called ductile deformation, which is basically a gradual change where the rocks are morphing, folding, etc. This is all due to stress when the rocks have breached their elastic limit, and this now means it will be a permanent change for the rock.  Photo above: by subarcticmike on Flickr.

crownedrose: It really doesn’t get any better when you can just look at the beautiful deformations in geology. The photo above shows what is called ductile deformation, which is basically a gradual change where the rocks are morphing, folding, etc. This is all due to stress when the rocks have breached their elastic limit, and this now means it will be a permanent change for the rock. Photo above: by subarcticmike on Flickr.

Geology curiosity?

Geology curiosity?

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