Ordinary chondrite, veined (L6)
Find, 1963; 46.5 kg

After house to house canvassing by Harvey Nininger and colleagues led to the recovery of a 2 kg meteorite, additional efforts by a variety of collectors resulted in the recovery of over 40 stones by both Nininger and others. A flat surface on one stone appears to have been due to breakage along a preexistent lamella. Inspections reveal indistinct chondrules within a largely equilibrated matrix. Compositionally, equilibrated olivine (Fa24) and low Ca-orthopyroxene ('hypersthene') are characteristic of the L-chondrite geochemical group. Mineralogically the meteorite consists primarily of dominant olivine plus pyroxene accompanied by minor troilite, Fe-Ni metal and (plagioclase?) feldspar. Accessory chromite, copper, ilmenite, merrillite, and minor sulfides have been reported.

A relatively short U-He age of ~850 Ma suggests a possible major collision during the past eon.

As with many stones recovered in whole or in part by Harvey H. Nininger, the main mass is now at Arizona State University's Center for Meteorite Studies (14.5565 remained in 2017). ~10 kg has been at the United States National Museum in Washington.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Chromite

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Orthopyroxene Subgroup'

ⓘ Troilite

7 valid minerals.

Meteorite/Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ L6 chondrite meteorite

Entries shown in red are rocks recorded for this region.

Meteorite and other extra-terrestrial rock and sediment
- Meteorite
  - Chondrite meteorite
    - Ordinary chondrite meteorite

Detailed Mineral List:

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Description: Chromite-rich chondrules reported by Ramdohr(1967)

References:

Keil, K. (1962) On the phase composition of meteorites. Journal of Geophysical Research 67(10): 4055-4062. (Sept 1962).

Ramdohr, Paul (1967) Chromite and chromite chondrules in meteorites—I. Geochimica et Cosmochimica Acta, 31 (10) 1961-1967 doi:10.1016/0016-7037(67)90135-4

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Fayalite-Forsterite Series'

Description: Olivine composition (Fa24), Mason(1963).

References:

Keil, K. (1962) On the phase composition of meteorites. Journal of Geophysical Research 67(10): 4055-4062. (Sept 1962).

Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0

Keil, K. & Fredriksson, K. (1964) The Fe.Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964)

ⓘ 'Feldspar Group'

References:

Ramdohr, Paul (1967) Chromite and chromite chondrules in meteorites—I. Geochimica et Cosmochimica Acta, 31 (10) 1961-1967 doi:10.1016/0016-7037(67)90135-4

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Isocubanite

Formula: CuFe₂S₃

Description: Isocubanite and mackinawite were listed by Ramdohr (1973) as a primary (preterrestrial) phase based largely on textural considerations. Isotope studies might confirm this conclusion.

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Mackinawite

Formula: FeS

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Merrillite

Formula: Ca₉NaMg(PO₄)₇

References:

Fuchs, L.H. (1969) The Phosphate Mineralogy of Meteorites: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 683-695.D. Reidel Publishing Company: Dordrecht-Holland.

ⓘ Native Iron

Formula: Fe

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron var. Kamacite

Formula: (Fe,Ni)

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Orthopyroxene Subgroup'

References:

ⓘ Troilite

Formula: FeS

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Isocubanite	2.CB.55b	CuFe₂S₃
ⓘ	Troilite	2.CC.10	FeS
ⓘ	Mackinawite	2.CC.25	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Merrillite	8.AC.45	Ca₉NaMg(PO₄)₇
Unclassified
ⓘ	'Feldspar Group'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Orthopyroxene Subgroup'	-

List of minerals for each chemical element

O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Merrillite	Ca₉NaMg(PO₄)₇
O	ⓘ Fayalite-Forsterite Series
Na	Sodium
Na	ⓘ Merrillite	Ca₉NaMg(PO₄)₇
Mg	Magnesium
Mg	ⓘ Merrillite	Ca₉NaMg(PO₄)₇
Mg	ⓘ Fayalite-Forsterite Series
Si	Silicon
Si	ⓘ Fayalite-Forsterite Series
P	Phosphorus
P	ⓘ Merrillite	Ca₉NaMg(PO₄)₇
S	Sulfur
S	ⓘ Isocubanite	CuFe₂S₃
S	ⓘ Mackinawite	FeS
S	ⓘ Troilite	FeS
Ca	Calcium
Ca	ⓘ Merrillite	Ca₉NaMg(PO₄)₇
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Native Iron	Fe
Fe	ⓘ Isocubanite	CuFe₂S₃
Fe	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Mackinawite	FeS
Fe	ⓘ Troilite	FeS
Fe	ⓘ Fayalite-Forsterite Series
Ni	Nickel
Ni	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Cu	Copper
Cu	ⓘ Isocubanite	CuFe₂S₃

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Mazatzal DomainDomain
Mazatzal TerraneVolcanic Arc

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php?code=11844

Nininger, H.H. & Nininger, A.D. (1950) The Nininger Collection of Meteorites: A Catalogue and a History. Winslow, Arizona. 144 pages.

Nininger, H.H. (1952) Out of the Sky. Dover. 336 pp.

Keil, K. (1962) On the phase composition of meteorites. Journal of Geophysical Research 67(10): 4055-4062. (Sept 1962).

Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0

Ramdohr, Paul (1967) Chromite and chromite chondrules in meteorites—I. Geochimica et Cosmochimica Acta, 31 (10) 1961-1967 doi:10.1016/0016-7037(67)90135-4

Fuchs, L.H. (1969) The Phosphate Mineralogy of Meteorites: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 683-695.D. Reidel Publishing Company: Dordrecht-Holland.

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Graham, A. L., Bevan, A. W. R., Hutchison, R. (1985) Catalogue of Meteorites - With Special Reference to those Represented in the Collection of the British Museum (Natural History) (4th ed.) British Museum (Natural History), London.

Wasson, John T., Wang, Sichao (1991) The histories of ordinary chondrite parent bodies: U,Th-He age distributions. Meteoritics, 26 (2) 161-167 doi:10.1111/j.1945-5100.1991.tb01033.x

Grady, Monica (2000) Catalogue of Meteorites (5th ed.). Cambridge University Press.

www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php

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