Category: Regional Specifics

When was the last volcanic eruption in California?

California’s Sleeping Giants: When Did a Volcano Last Blow Its Top in the Golden State? Okay, California. We know about the beaches, the redwoods, and, yeah, those earth-shaking earthquakes. But did you know California’s also got volcanoes? I know, right? Seems like something out of a movie, but it’s true. While everyone’s busy worrying about

How do intrusive igneous rocks form?

The Deep Freeze: How Intrusive Igneous Rocks REALLY Take Shape Igneous rocks! They’re one of the three rock types that basically make up our planet – and they’re born from fire, which is pretty cool, right? Think of magma, that molten rock stuff way down deep. That’s where igneous rocks start. Now, here’s the thing:

Why do intrusive igneous rocks have large crystals?

The Crystal Size Secret: Why Some Rocks Have Giant Sparkles Have you ever picked up a rock and noticed how different they can be? Some are smooth and shiny, like obsidian, while others, like granite, are a dazzling mix of colorful crystals you can see without even squinting. What gives? The secret, believe it or

How does the earthquake early warning system work?

Earthquake Early Warning Systems: Can We Really Outrun Disaster? Okay, so earthquake early warning (EEW) systems. They’re not magic, sadly. We can’t actually predict when the earth’s going to rumble. But what these systems can do is pretty darn cool: they give us a heads-up when an earthquake’s already started, buying us precious seconds –

What is feldspar made out of?

Decoding Feldspar: What’s Really Inside Earth’s Most Common Minerals? Ever wonder what the Earth’s crust is mostly made of? Well, buckle up, because it’s feldspar! But here’s the thing: feldspar isn’t just one thing. It’s more like a whole family of closely related minerals, all working together to make up a whopping 60% of our

What animals lived in the Tertiary Period?

The Tertiary Period: When the World Went Wild (and Mammals Took Over!) Okay, picture this: the dinosaurs are gone – poof! – and the world is a blank slate. That’s pretty much what happened at the start of the Tertiary Period, a crazy-important chunk of Earth’s history that stretched from about 66 million to just

1 32 33 34 35 36 448