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Home Tags Caves

Tag: caves

How Do Giant Geodes Form?

How do geodes form and some get so big? For most of us, a geode we can heft in the palm of a hand...
carlsbad-caverns

Exploring Carlsbad Caverns

Carlsbad Caverns is located in a remote southern part of New Mexico, close to the Texas border. From the west, it is best reached...
caves-of-the-national-parks

Caves of the National Parks

Caves of the national parks are some of the world’s biggest and most interesting caves. Within its 189 national parks and monuments, the National...

Earth Science In the News: Rock Record and Ancestry

By Jim Brace-Thompson   Reports have been all over the news in recent months regarding humans from way back when. For instance, hundreds of human footprints...
Erythrite specimen

Parting Shot: Erythrite

The presence of cobalt in erythrite is what brings forth the brilliant reddish-purple color so often visible in this mineral. In this specific specimen, the...

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