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Cactus Forest (a)
Basic information Name: Cactus Forest (a)
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: United States
Mass:help 63 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1949 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 13 Nov 2021
Writeuphelp
Writeup from MB 110:

Cactus Forest (a)        32°56’24.51"N, 111°23’07.55"W

Arizona, United States

Find: 2017 April 1

Classification: Ordinary chondrite (L4)

History: Larry Atkins found a 63 g meteorite ~6 km west of Cactus Forest on 1 April 2017.

Physical characteristics: Weathered and orange stained meteorite. Cut surface shows abundand iron-oxide veins. All metal, and most sulfide is weathered.

Petrography: (L. Garvie, ASU) BSE images of the probe mount shows an abundance of chondrules (PO, POP, BO, CC), with a mean near 500 μm. Interchondrule feldspar <5 μm across.

Geochemistry: Olivine Fa23.9±1.7, range Fa22.6-27.4, NiO to 0.35 wt% and Cr2O3 to 0.9 wt%, Fe/Mn= 47.5±5.1, n=10. low Ca pyroxene Fs15.3±6.5Wo1.1±1.2, range Fs7.3-32.6Wo0.2-3.6, n=12. high Ca pyroxene Fs7.3Wo44.3 and Fs10.7Wo39.8.

Classification: L4

Specimens: 12.6 g at ASU.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Arizona
Origin or pseudonym:deflation area
Date:2017 April 1
Latitude:32°56'24.51"N
Longitude:111°23'07.55"W
Mass (g):63
Pieces:1
Class:L4
Shock stage:low
Weathering grade:high
Fayalite (mol%):23.9±1.7
Ferrosilite (mol%):15.3±6.5
Wollastonite (mol%):1.1±1.2
Classifier:L. Garvie, ASU
Type spec mass (g):12.6
Type spec location:ASU
Main mass:Larry Atkins
Finder:Larry Atkins
Comments:ASU#2052; submitted by L. Garvie
Institutions
   and collections
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

United States
Coordinates:
     Recommended::   (32° 56' 25"N, 111° 23' 8"W)

Statistics:
     This is 1 of 178 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1886 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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