subarcticmike:
4,030,000,000 years, Acasta Gneiss
subarcticmike:
Catch and Release
subarcticmike:
Once Crackling Hot Lava
subarcticmike:
Full Screen Plate Tectonics
subarcticmike:
Natural History Story
subarcticmike:
hot knives slicing thru country rock
subarcticmike:
Black Tsunami
subarcticmike:
Xenolith Split Thrice
subarcticmike:
Badlands of South Dakota
subarcticmike:
Cracking Deep Dissection
subarcticmike:
Ductility
subarcticmike:
Cheshire Cat's fading smile
subarcticmike:
QFT!! quartz-feldspar-tourmaline
subarcticmike:
earliest life onshore! were riding fatbikes
subarcticmike:
Earliest known animals making tracks ashore
subarcticmike:
they call me the "Space Cowboy"?
subarcticmike:
Canyon Diablo meteorite with a whistle
subarcticmike:
inside Canyon Diablo meteor impact crater
subarcticmike:
Magnetic, This Rock
subarcticmike:
geoscience crowd sourcing
subarcticmike:
Ripple Flavor
subarcticmike:
pièce de résistance
subarcticmike:
The Art of Retreat
subarcticmike:
Arctic Shadow of a Howling Wolf
subarcticmike:
Hanging Glaciers
subarcticmike:
Deep Time intrusion, Recent glacial striae
subarcticmike:
Ottawa River Stromatolite Bed
subarcticmike:
Hypersaline Hopscotch
subarcticmike:
1.8 billion year-old Stromatolite
subarcticmike:
Textbook Isostatic Rebound
