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- You've likely seen magmatic K-Feldspar phenocrysts, but have you ever seen a magmatic K-feldspar megacryst?!?! This particular megacryst is part of the Cathedral Peak granodiorite, the innermost intrusion of the Late Cretaceous Tuolumne Intrusive Suite in Yosemite National Park. These beauties can be found within Tuolumne Meadows, on the eastside of the park in the glacially scoured outcrops north of the parking lot.
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Yellowstone's history of hydrothermal explosions over the past 14,000 years - Geology Page While much of public attention on Yellowstone focuses on its potential to produce large supereruptions, the hazards that are much more likely

Shocking New Discovery by Scientists in the Sahara Desert Scientists Terrifying New Discovery Hidden Under Sahara Desert. If you want to visit the largest desert in the world, it will bring you to Africa, as you can...

Roman Road-Construction The construction technique of Roman roads. Roman roads engineering.Spanish version:https://youtu.be/Cd75xrJk6nAIngeniería de las vías romanas en español:http...

The Dinosaur Dance Floor in Bolivia Bolivia has the largest collection of dinosaur tracks in the world comprising footprints of 294 different kinds of dinosaurs