How many times has Nevado del Ruiz erupted?

Nevado del Ruiz: A Volcano with a Fiery Past (and Present!) Nevado del Ruiz. Just the name conjures up images of a towering, snow-capped giant. And that’s exactly what it is: a stratovolcano smack-dab in west-central Colombia. Locals also call it La Mesa de Herveo, but whatever you call it, this volcano means business. It’s

What crystal system does halite belong to?

Halite: More Than Just Table Salt – A Peek Inside its Crystal Structure We all know halite as common table salt, right? But there’s way more to this everyday mineral than just seasoning your fries. Halite, in its mineral form, is actually sodium chloride (NaCl), and it boasts a seriously cool crystal structure that dictates

What are the different types plate boundaries?

The Restless Earth: Cracking the Code of Plate Boundaries Ever look at a map and wonder why mountains pop up where they do, or why earthquakes seem to cluster in certain spots? The answer lies beneath our feet, in the Earth’s constantly shifting tectonic plates. Forget the image of a solid, unyielding planet – our

What is abrasion and attrition?

Abrasion and Attrition: What’s Really Wearing Things Down? Ever wonder how the Grand Canyon got so grand, or why your dentist keeps nagging you about your toothbrushing technique? The answer, in part, lies in understanding abrasion and attrition – two forces constantly at work, shaping everything from landscapes to your pearly whites. They both involve

What started the Archean eon?

Back When Earth Was Young: Cracking the Code of the Archean Eon Ever wonder what Earth was like way, way back in the day? I’m talking billions of years ago – a time so ancient it makes the dinosaurs look like yesterday’s news. We’re diving into the Archean Eon, a period from about 4.031 billion

Where are transform boundaries?

Transform Boundaries: Where the Earth Gets Sideways Ever imagine the Earth’s surface as a giant jigsaw puzzle, constantly shifting? Well, at the edges of these puzzle pieces, called tectonic plates, you’ll find all sorts of action. Sometimes they collide, sometimes they pull apart, and sometimes – this is where it gets interesting – they slide

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