Meteoritical Bulletin: Entry for Miller Range 15380

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Miller Range 15380

Basic information

Name: Miller Range 15380
This is an OFFICIAL meteorite name.
Abbreviation: MIL 15380
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 374 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	Eucrite-br
Recommended:			Eucrite-br [explanation]

This is 1 of 237 approved meteorites classified as Eucrite-br. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Field number: 24072
Approved 13 Sep 2016

Writeup

help

Writeup from AMN 39(2):

Sample Number

MIL 15380

Newsletter

39,2

Location

Miller Range

Field Number

24072

Dimensions

9.5 x 6.0 x 5.5

Weight

374.17

Original Classification

EUCRITE (BRECCIATED)

Mineral Composition (%Fa & %Fs)

Ferrosilite (mol%): 25-60

Ae

B

Macroscopic Description - Rachel Funk, Cecilia Satterwhite

65% of the exterior has black shiny fusion crust. Some white evaporites are visible on the exterior. Exposed areas are gray with black, gray, white and beige inclusions. Some fractures penetrate the surface. The gray matrix has black, white and beige inclusions with white and dark gray speckled clasts present.

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

This meteorite is dominated by fine-grained (~1 mm average grain size) basaltic material which occurs as both the host and clasts. Occasional coarser-grained clasts, with grain sizes up to 4 mm are observed. Pyroxene compositions are Fs_25-60Wo_3-38. Plagioclase compositions are (An₉₀Or_0.5) and Fe/Mn ratio of pyroxene of ~30. The meteorite is a brecciated eucrite.

Antarctic Meteorite Images for Sample MIL 15380

Lab Photo of Sample MIL 15380

Lab Photo of Sample MIL 15380 Displaying Bottom Orientation

Lab Photo of Sample MIL 15380 Displaying East Orientation

Lab Photo of Sample MIL 15380 Displaying North Orientation

Lab Photo of Sample MIL 15380 Displaying Splits East Orientation

Lab Photo of Sample MIL 15380 Displaying South Orientation

Lab Photo of Sample MIL 15380 Displaying Top Orientation

Lab Photo of Sample MIL 15380 Displaying West Orientation

Thin Section Photo of Sample MIL 15380 in Plane-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15380 in Reflected Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15380 in Cross-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15380 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15380 in Reflected Light with 5X Magnification

Thin Section Photo of Sample MIL 15380 in Cross-Polarized Light with 5X Magnification

Data from:
  MB105
  Table 0
  Line 0:

Date:	2015
Mass (g):	374.2
Pieces:	1
Class:	Eucrite-br
Weathering grade:	Ae
Ferrosilite (mol%):	25-60
Classifier:	SI
Type spec mass (g):	374.2
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	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 39(2) (2016), JSC, Houston
Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(83° 30' 13"S, 156° 46' 8"E)

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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