A vial containing 1.0 gram of impactite "bomblets" from Meteor Crater in Arizona; the world's best preserved meteorite impact crater. This material has a H.H. Nininger provenance. The impactite "bomblets", as Nininger called them, are teeny impact pieces. Upon examination under a 60 power loupe, aerodynamic shapes are clearly defined in some of the pieces. (see photos)
The Nininger label on the jar reads "Impactite bomblets from depth 4 to 5 ft. in pit on N.N.W. lower "half"(? illegible) of Crater rim.". The label inside the jar reads "Bomblets taken from 4 - 5 ft depth in excavation, passed 16 mesh caught by 24, no volcanics, no acid used, contents of this jar represents approx. 200 hrs. of magnetic separation by use of hand magnet."
The vial will contain 1.0 gram of Canyon Diablo (Meteor Crater) impactite material. The vial measures 38 x 12 mm. Most of the pieces are only 1 to 3 mm at the widest.
Please see my blog post for additional information.
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