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High Island Creek
Basic information Name: High Island Creek
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2011
Country: United States
Mass:help 15 kg
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Iron, IIIAB
Recommended:  Iron, IIIAB    [explanation]

This is 1 of 311 approved meteorites classified as Iron, IIIAB.   [show all]
Search for other: IIIAB irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 24 May 2015
Writeuphelp
Writeup from MB 104:

High Island Creek        44°35.763’N, 94°01.809’W

Minnesota, United States

Find: 2011 Apr

Classification: Iron meteorite (IIIAB)

History: Plowed up in April 2011 by Bruce Lilienthal on his farm east of Arlington, Minn. Recognized immediately as "unusual" and separated from other glacial erratics. In May 2013, the Lilienthals contacted E. Calvin Alexander, Jr., at the University of Minnesota. Alexander identified the object as an iron meteorite based on its Ni content and micro-structure. Object purchased by Alexander in Feb 2014. Samples sent to Wasson for classification.

Physical characteristics: Thick, oval, highly flattened shape meteorite, 41 × 28 × 4c m. Bulk density = 7.23 g/cc. Rusty orange surface with 2-3 cm darker spots on surface. Similar shape to Arlington which was found 3.4 km to the northwest.

Petrography: Structure is Om, typical of a IIIAB. Moderate weathering near the surface.

Geochemistry: Composition: Co, 5.10 mg/g; Ni, 78.6 mg/g; Ga, 21.2 μg/g; Ge, <50 μg/g; As, 5.42 μg/g; Ir 2.25 μg/g; Au, 0.727 μg/g. The meteorite is compositionally a member of IIIAB. The only closely similar IIIAB is al-Ghanim (iron). No other iron has both a Au value within 5% and an Ir value within 10% of this composition.

Classification: Iron, IIIAB based on composition and structure.

Specimens: 1518 g at UCLA, 12077 g at UMin

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Minnesota
Origin or pseudonym:plowed up in a farmer's field
Place of purchase:Arlington, MN
Date:2011 Apr
Latitude:44°35.763'N
Longitude:94°01.809'W
Mass (g):15000
Pieces:one
Class:Iron, IIIAB
Weathering grade:moderate
Classifier:J. T. Wasson
Type spec mass (g):13595
Type spec location:UCLA, UMin
Main mass:Alexander
Finder:Bruce and Nelva Lilienthal
Comments:Purchased Feb 2014 by E.C. Alexander, Jr.; submitted by E. Calvin Alexander, Jr., Earth Sciences, Univ. of Minn., 310 Pillsbury Dr. SE, Minneapolis, MN 44544
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)
UMin: University of Minnesota Department of Geology & Geophysics 310 Pillsbury Drive SE, Minneapolis, MN 55455-0231, United States (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

United States
Coordinates:
     Recommended::   (44° 35' 46"N, 94° 1' 49"W)

Statistics:
     This is 1 of 9 approved meteorites from Minnesota, United States
     This is 1 of 1834 approved meteorites from United States (plus 358 unapproved names) (plus 28 impact craters)
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