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Posted on 05/04/2026 12:13:28 PM PDT by MtnClimber
Explanation: Why are there huge, unusual masses inside the Earth? No one is sure. By noting how earthquakes rumble through our planet's interior, humanity has discovered two deep structures that appear to have unusual temperatures and/or chemical compositions. One hypothesis holds that the superplumes are sunken debris left over from the Earth-shattering collision that created Earth's Moon about 4.5 billion years ago. A competing hypothesis is that they are graveyards for old tectonic plates that slowly slid under each other over the past few billion years. No matter their origin, the superplumes are thought to affect Earth’s surface volcanism, possibly creating, for example, island chains such as Hawaii. Also known as large low-shear-velocity provinces (LLSVPs), Earth's superplumes are visualized in the featured animation.
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Todays image is a video at the source link
🪐 🌟 🌌 🍔 Todays image is a video at the source link
I’m pretty sure that the Earth is not of the same consistency all throughout its sphere. The primordial bombardment would have included asteroids of various make-up, stony, iron, and a mixture of them all................
Is that why I can’t mine for gold in my back yard? But I have to watch out for alligators up 12 ft long? Who else has to do that? I think everyone should have to put up with alligators. I went to the University of Florida so I am biased.
As well as cheese.
In Florida, you just have to get used to the gators. They were here first..........
Bkmk
Were the Gators here sooner than the Sooners? Anyway they beat them 13-2 yesterday.
If you are watching for gators I bet your geology is all wrong for gold strikes. Limestone karst?
I suppose Hell and Purgatory have different densities.
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