Meteoritical Bulletin: Entry for Miller Range 15307

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Miller Range 15307

Basic information

Name: Miller Range 15307
This is an OFFICIAL meteorite name.
Abbreviation: MIL 15307
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 37.6 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 42(1)	(2019)	CK5
Meteoritical Bulletin:	MB 108	(2020)	CK5
Recommended:			CK5 [explanation]

This is 1 of 209 approved meteorites classified as CK5. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 21 Feb 2019

Writeup

Writeup from AMN 42(1):

Sample Number

MIL 15307

Newsletter

42,1

Location

Miller Range

Field Number

24030

Dimensions

3.75 x 3.5 x 3.25

Weight

37.600

Original Classification

CK5 Chondrite

Mineral Composition (%Fa & %Fs)

Fayalite (mol%): 33

Weathering

A/B

Fracturing

A/B

Macroscopic Description - Kellye Pando

The exterior has dark grey to black fusion crust (100%) with light greenish grey weathering and a few rust colored dots of weathering. Interior is dark grey matrix with a few grey to black inclusions and a few orange weathered spots.

Thin Section Description (,2) - Cari Corrigan, Tim McCoy

The section consists of large (up to 1.5 mm), well-defined chondrules in a matrix of finer-grained silicates, sulfides and abundant magnetite grains. The meteorite is slightly weathered, but extensively shock blackened. Silicates are homogeneous. Olivine is Fa₃₃. The meteorite is a CK5 chondrite.

Antarctic Meteorite Images for Sample MIL 15307

Thin Section Photo of Sample MIL 15307 in Cross-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15307 in Reflected Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15307 in Plane-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15307 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15307 in Cross-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15307 in Reflected Light with 5X Magnification

Lab Photo of Sample MIL 15307 Displaying West Orientation

Lab Photo of Sample MIL 15307 Displaying Bottom Orientation

Lab Photo of Sample MIL 15307 Displaying South Orientation

Lab Photo of Sample MIL 15307 Displaying East Orientation

Lab Photo of Sample MIL 15307 Displaying Splits View

Data from:
  MB108
  Table 0
  Line 0:

Date:	2015
Latitude:	-83.5358
Longitude:	157.062
Mass (g):	37.596
Pieces:	1
Class:	CK5
Weathering grade:	A/B
Fayalite (mol%):	33
Magnetic suscept.:	4.49
Classifier:	SI
Type spec mass (g):	37.596
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	Field no: 24030; submitted by AMN

Institutions
and collections

JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022)
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 42(1) (2019), JSC, Houston
Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Antarctica

Coordinates:
Recommended::	(83° 32' 9"S, 157° 3' 43"E)

Statistics:
This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names)

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