Tag: Geology

Prior to Rockd, answering the question “What kind of rock am I standing on?” was a complicated process that might have involved searching for USGS or local survey maps, downloading PDFs, and attempting to reconcile your location on them. Using Macrostrat’s geologic map databas...

A little more than three decades ago, a British-American historian named David Christian introduced a fresh new approach to history. He was teaching then at Macquarie University in Sydney. There, he introduced the concept of Big History. Merging historical study with insights from phy...

Devil’s Hole is in Death Valley National Park, a special place. It’s not like other holes you’ve seen. The entrance to Devil’s Hole is not very wide — just 8 feet — and not too long — about 60 feet. Inside, there’s water that goes to a secret place ...

Geology, the science that unravels the Earth's enigmatic history through rocks, minerals, and landscapes, invites enthusiasts to test their knowledge with a geological quiz. Brace yourself for a journey through the geological wonders of our planet, from the mysteries of the Earth's crust to ...

Structural geology is the study of the Earth’s crustal and upper mantle structures, such as mountains, faults, and folds. This branch of geology seeks to understand the processes that create these structures and how they have evolved over time. Some subfields within structural geology include:...