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Clarendon(c) 144g New Texas Meteor Find! | Large Fragment | Limited availability

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  • $ 300.00


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On Offer: 144 gram Large Fragment of Clarendon (C) L4 Chondrite

Name: CLARENDON (C)

Type: Ordinary Chondrite L4

Description: 144g Clarendon Meteorite fragment...These specimens were hand prepared by Top Meteorite from material sourced directly from Ruben Garcia & Frank and Dee Dee Hommel. The main mass has been acquired by Texas Christian University (TCU) and is no longer on the market. The limited supply of smaller fragments are going fast...get them while they last!

In the News: http://www.skyandtelescope.com/astronomy-news/clarendon-meteorite-find-of-a-lifetime/#.WDS8NQP4dCE.facebook

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ID - CLARE20160004

Clarendon (c)
Basic information Name: Clarendon (c)
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite. 
Observed fall: No
Year found: 2015
Country: United States 
Mass:help 377 kg
Classification
  history:
Recommended:   L4    [explanation]

This is 1 of 1474 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites (type 4-7)Ordinary chondrites (type 4-7)L chondrites, and Ordinary chondrites
Comments: Approved 22 Oct 2016
Writeuphelp
Writeup from MB 105: 

Clarendon (c)        34.983°N, 100.933°W

Texas, United States

Find: 2015 Apr 6

Classification: Ordinary chondrite (L4)

History: Frank and DeeDee Hommel of the Bar H Working Dude Ranch located northwest of Clarendon, Texas, were out riding on their property on April 6, 2015, and report that "their horses went crazy" when they approached a large unusual rock (later determined to weigh 345 kg). They dug up additional fragments weighing about 32 kg near the large mass located at 34.983°N, 100.933°E. They contacted Eric Twelker, who arranged for testing of a specimen.

Physical characteristics: The main mass (345 kg) has a reddish-brown exterior and lacks fusion crust. The relatively fresh interior is medium gray with abundant bright metal grains.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules up to 3.3 mm occur within a relatively coarse-grained matrix containing abundant stained kamacite plus accessory sodic plagioclase, merrillite and troilite.

Geochemistry: Olivine (Fa24.1-24.6, N = 3), orthopyroxene (Fs20.5-20.6Wo1.2-1.5, N = 3), clinopyroxene (Fs7.3-7.6Wo45.2-45.0, N = 2). Oxygen isotopes (K. Ziegler, UNM): analysis of acid-washed subsamples by laser fluorination gave, respectively, δ17O = 3.611, 3.702, 3.673; δ18O = 4.855, 4.950, 4.827; Δ17O = 1.048, 1.088, 1.124 per mil.

Classification: Ordinary chondrite (L4).

Specimens: 20.6 g plus one polished thin section at UWB; remaining material with the finders.

Data from:
  MB105
  Table 0
  Line 0:
State/Prov/County: Texas
Date: 2015 Apr 6
Latitude: 34.983°N
Longitude: 100.933°W
Mass (g): 377000
Pieces: several
Class: L4
Shock stage: S2
Weathering grade: W1
Fayalite (mol%): 24.1-24.6
Ferrosilite (mol%): 20.5-20.6
Wollastonite (mol%): 1.2-1.5
Classifier: A. Irving and S. Kuehner, UWS
Type spec mass (g): 20.6
Type spec location: UWB
Main mass: F. and D. Hommel
Finder: F. and D. Hommel
Comments: Submitted by A. Irving

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