Tag: rocks
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A Few Earth Science Vendors
A few vendor web sites came to our attention in the past month: – Need abrasives for lapidary or rock polishing? You may wish to check out Panadyne Abrasives – Looking for information about buying gems? You may wish to check out gemstoneguru.com – Going to Tucson? You may wish to check out SpiriferMinerals.com –…
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Please Return Rocks and Only Take As Many As You Need
Via The Onion: A coalition of geologists are challenging the way we look at global stone reserves, claiming that, unless smarter methods of preservation are developed, mankind will eventually run out of rocks. “If we do not stop using them up at our current rate, rocks as we know them will be a thing of…
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Rocks From Moon in Australia Contain Tranquillityite
Via Science: A mineral previously known only from moon rocks and lunar meteorites has now been found on Earth. Researchers discovered the substance—dubbed tranquillityite after the Sea of Tranquility, where Apollo 11 astronauts landed on the Moon in July 1969— at six sites in Western Australia. The mineral occurs only in minuscule amounts and has…
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Do You Know Dave’s Down to Earth Rock Shop?
The Daily Northwestern has written an informative article on Dave’s Down To Earth Rock Shop: … “You crack open a rock, and you’re the first person in the world to see what’s inside,” he said. Douglass started the shop in 1970 at a smaller location on Chicago Avenue. He met his wife two years later,…
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New Theories on Midwest Banded Rocks
Via R&D: A study appearing today (Oct. 11) as an advance online publication in Nature Geoscience offers a new picture of how these colorful bands developed and what they reveal about the composition of the early ocean floor, seawater, and atmosphere during the evolution of the Earth. Previous hypotheses about band formation involved seasonal fluctuations,…
