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Portales Valley   contributed by Bob Holmes   MetBul Link

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View all entries for   Meteorite (13)   Bob Holmes (8)


50.8 grams.   H6

TKW 71.4 kg. Observed fall 13 June 1998, Roosevelt County, New Mexico, USA.

From the MetBul:
After detonations were heard and smoky trails seen in the sky, a shower of meteorites landed near Portales, New Mexico. 53 objects have been recovered, with a total mass of 71.4 kg. The largest pieces weighed 16.5 kg (witnessed to fall by Nelda Wallace and Fred Stafford), 17.0 kg (found by Elton Brown), and at least nine others over 1 kg. A 530 g fragment went through the roof of Gayle Newberry's barn and embedded itself in a wall, indicating a trajectory west to east. The elliptical strewn field is approximately 7.7 x 2 km, trending N60–65ºE, although recent reports may extend this somewhat.

 


Bob writes:
I had just begun collecting meteorites when this great meteorite fell to earth. Here is a nice example of the metal-rich variety. Purchased at this year's Tucson show.
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#1

Found at the arrow (green or red) on the map below

 


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Robert Woolard
 2/10/2018 7:27:16 PM
Congrats on the nice PV specimen, Bob! Thanks for posting it. And in regard to Stephen*s question about PV*s stability, I have to say I have handled quite a few, and I have never had any problems. On the contrary, I continue to be amazed at its stability and its resistance to rusting, even in the high humidity of Arkansas!
john Divelbiss
 2/10/2018 1:20:31 PM
I don't believe PV will "crumble" in any way. First class meteorite from what I've seen/held.
Stephen Amara
 2/10/2018 11:27:10 AM
Wow beautiful big slice of Portales!!! These babies love to crumble don't they?? What is the dynamic of these, what type of event occurred that prevented the tight bond within the matrix that typically occurs commonly in chondrites?
Bernd Pauli
 2/10/2018 3:40:07 AM
KRING D.A., HILL D.H., GLEASON J.D., BRITT D.T. et al. (1999) Portales Valley: A meteoritic sample of the brecciated and metal-veined floor of an impact crater on an H-chondrite asteroid (MAPS 34-4, 1999, 663-669): "Because the planetesimal or asteroid was still warm enough to produce Widmanst*tten structure in the metal veins, the impact event probably occurred about 4.4 or 4.5 Ga, soon after accretion from the solar nebula-"
Graham
 2/10/2018 12:49:06 AM
Very nice example...unique meteorite.
John Hope
 2/10/2018 12:17:21 AM
Thanks for the picture of this very nice example Bob.
 

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