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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 1999 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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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 1888 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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