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Left Hand Creek
Basic information Name: Left Hand Creek
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2000
Country: United States
Mass:help 8.67 kg
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Iron, IAB complex
Recommended:  Iron, IAB complex    [explanation]

This is 1 of 68 approved meteorites (plus 1 unapproved name) classified as Iron, IAB complex.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 19 Jun 2013
Writeuphelp
Writeup from MB 102:

Left Hand Creek        40°7.64’N, 105°17.62’W

Boulder County, Colorado, United States

Found: Aug 2000

Classification: Iron meteorite (IAB complex)

History: In August, 2000, a single weathered meteorite was found in colluvium on the eastern flank of the Dakota hogback near Left Hand Creek, Boulder County, Colorado. A person digging a posthole hit a large rock; it was decided not to move the hole but to remove the rock, a rusty 8.671 kg iron meteorite.

Geochemistry: (J.T. Wasson, UCLA) Analytical Data: structure = Og, bandwidth = ~2 mm, Co = 4.66 mg/g, Ni = 69.6 mg/g, Ga = 87.3 μg/g, Ge = 340 μg/g, As = 14.3 μg/g, Ir = 1.89  μg/g, and Au = 1.648 μg/g. Despite compositional similarities, this seems not to be transported mass from the Canyon Diablo strewn field. It shows resolvable differences in Ir (1.9 μg/g, lower than the lowest CD mean of 2.1 μg/g), As (14.3 μg/g, higher than the highest CD mean of 13.5 μg/g with the exception of Canyon Diablo (1949), ~16 μg/g) as well as slightly high Ga and Au.

Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Colorado
Origin or pseudonym:Dakota hogback, Boulder County
Date:Aug 2000
Latitude:40°7.64'N
Longitude:105°17.62'W
Mass (g):8671
Pieces:1
Class:Iron, IAB complex
Weathering grade:moderate
Classifier:J T Wasson, UCLA
Type spec mass (g):307
Type spec location:UCLA
Main mass:J. and V. Werner
Finder:J. Werner
Comments:Submitted by J.T. Wasson
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

United States
Coordinates:
     Recommended::   (40° 7' 38"N, 105° 17' 37"W)

Statistics:
     This is 1 of 89 approved meteorites from Colorado, United States (plus 5 unapproved names)
     This is 1 of 1827 approved meteorites from United States (plus 358 unapproved names) (plus 28 impact craters)
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