Cross-cutting dikes, Maine (Vertical)

igneous, intrusive, intrusion, mafic, Atlantic Ocean

Palouse Falls, Washington

waterfalls

Deformed metaconglomerate

ductile deformation, metamorphic, metamorphism, metasedimentary, mylonite

Seed Fern fossils-Pennsylvanian

leaf fossils, leaves, Carboniferous, carbonaceous

Ice, breaking up in northern Canada

global warming, climate change

Death Valley salt pan, CA

halite, evaporites, precipitated, playa