Meteoritical Bulletin: Entry for Grosvenor Mountains 17177

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Grosvenor Mountains 17177

Basic information

Name: Grosvenor Mountains 17177
This is an OFFICIAL meteorite name.
Abbreviation: GRO 17177
Observed fall: No
Year found: 2017
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 65.8 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 43(1)	(2020)	L3.4
Recommended:			L3 [explanation]

This is 1 of 824 approved meteorites (plus 1 unapproved name) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 21 Feb 2020

Writeup

help

Writeup from AMN 43(1):

Sample Number

GRO 17177

Newsletter

43,1

Location

Grosvenor Mountains

Field Number

25509

Dimensions

5.0 x 3.5 x 1.1

Weight

65.77

Original Classification

L3.4 Chondrite

Pairing

GRO 17026; GRO 17167; GRO 17177

Mineral Composition (%Fa & %Fs)

Fayalite (mol%): 5-36;Ferrosilite (mol%): 3-17

B/Ce

A

Macroscopic Description - Cecilia Satterwhite

The pitted exterior of this meteorite has black/brown fusion crust with visible inclusion/chondrules; the interior has a dark gray to black matrix with abundant light and weathered inclusions/chondrules; oxidation is scattered throughout and metal is visible.

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

The section exhibits numerous well-defined chondrules (up to 1.5 mm) in a black matrix of fine-grained silicates, metal and troilite. Weak shock effects are present. Polysynthetically twinned pyroxene is abundant. The meteorite is moderately weathered. Silicates are unequilibrated; olivines range from Fa_6-23, with most grains Fa₂₂, and pyroxenes from Fs_3-24. The meteorite is an L3 chondrite (estimated subtype 3.8).

Antarctic Meteorite Images for Sample GRO 17177

Thin Section Photo(s) :

Thin Section Photo of Sample GRO 17177 in Cross-Polarized Light with 5X Magnification

Thin Section Photo of Sample GRO 17177 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample GRO 17177 in Reflected Light with 5X Magnification

Data from:
  MB109
  Table 0
  Line 0:

Date:	2017
Latitude:	-85.8457
Longitude:	174.112
Mass (g):	65.77
Pieces:	1
Class:	L3.4
Weathering grade:	B/Ce
Fayalite (mol%):	5-36
Ferrosilite (mol%):	3-17
Magnetic suscept.:	4.33
Classifier:	SI
Type spec mass (g):	65.77
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 43(1) (2020), JSC, Houston
Published in Meteoritical Bulletin, no. 109, in preparation (2020)

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(85° 50' 45"S, 174° 6' 43"E)

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

Proximity search:

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