These tiny iron spheroids and shale fragments originate from the area around
the Canyon Diablo impact crater in Arizona. The desert around the
crater is littered with rusted scraps of nickel iron (meteorites) and
these tiny spheroids. When the giant iron impactor slammed into the
desert floor, the resulting catastrophic explosion vaporized a large
portion of the meteorite. This vaporized portion condensed in the
atmosphere and rained down as solidified droplets of meteoritic nickel
iron. Thousands of tons of this material was scattered around the
desert. Most of it is very tiny and can only be noticed after a magnet
is dragged through the desert sand. Harvey Nininger famously collected
a large quantity of these spheroids for his research by dragging large
magnets through the desert - sometimes towed behind his car. The
magnets attact a wide variety of materials, including small meteorites,
spheroids, meteoritic shale (oxidized metal remains), and magnetite.
This material must be sorted through and the spheroids seperated out.
In this offer you get a small scoop of material (mixed shale and spheroids) similar to that shown in the photo. The black centimeter cube is
shown for scale and is not included. Your material will come in a
glass vial that is stored in acrylic gemjar storage case.
If you don't want to sort through your own shale to seperate out the spheroids, I
have pre-sorted spheroids available elsewhere on my
site. I also have larger rare earth magnets available.
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Meteor Crater - Postcard and Brochure Lot - Canyon Diablo |