Why are sedimentary rocks found in layers?
Regional SpecificsSedimentary Rocks: Earth’s Layered Story, Told in Stone Ever stood at the edge of the Grand Canyon, or maybe on a windswept beach looking at a cliff face? What really grabs you is those stripes, right? Those layers, stacked one on top of the other, are the signature of sedimentary rocks. They’re like a geological
Why was the Northridge earthquake so destructive?
Regional SpecificsThe Northridge earthquake produced extremely strong ground shaking, which caused the greatest damage in the United States since the 1906 San Francisco earthquake. The Northridge earthquake was caused by dip slip on a thrust fault—the overriding movement of one crustal block up and over a second crustal block (see p. How much damage did the
What type of silicate is Augite?
Regional SpecificsDecoding Augite: What Kind of Silicate Is It, Anyway? Augite. You’ve probably seen it, maybe without even realizing. Those dark green, brownish, or even black crystals you spot in igneous and metamorphic rocks? Yeah, that could very well be augite. But what exactly is it? What’s its deal, geologically speaking? Well, let’s dive in. At
What is the most famous fault line?
Regional SpecificsThe San Andreas Fault: More Than Just a Crack in the Ground Okay, let’s talk about the San Andreas Fault. You’ve probably heard of it, right? It’s that famous crack running through California that everyone associates with earthquakes. But it’s way more than just a line on a map; it’s a colossal force of nature
What are two ways volcanoes form?
Regional SpecificsEarth’s Fiery Breathers: How Volcanoes Are Born Volcanoes! Just the word conjures up images of molten rock, ash plumes, and dramatic landscapes. But have you ever stopped to wonder how these fiery giants actually come into being? Well, it turns out there are primarily two main ways: subduction zones and hotspots. Let’s dive in and
What is used to measure magnitude?
Regional SpecificsDecoding Earth’s Tremors: A Plain-English Guide to Magnitude Ever felt the ground move? That’s an earthquake, and figuring out just how big it was is pretty important. That’s where magnitude scales come in—they’re like the earthquake’s report card, telling us how strong it was and letting scientists compare quakes across the globe. But what tools