Ordinary Chondrite, weathered (H6)
Find, 1930; 16.6 kg

A meteoritic mass was ploughed up in the early 1930's, embedded in concrete in 1964, and soon thereafter recognized as a meteorite. Well-equilibrated Olivine [Fa18] and orthopyroxene [variety, bronzite] composition are characteristic of H6 chondrites. Opaques reported by Ramdohr included some interesting spinel-magnetite intergrowths. Exterior rust and interior limonite stains are quite prominent. A cosmic ray exposure age of T = 6.5 Ma was obtained with some evidence of an earlier collision in the not too distant past.

The main mass [8.95 kg] was acquired by the Max Planck Institute and was presumably transferred to the Museum für Naturkunde in Berlin when the Max Planck collection was liquidated. Smaller masses were distributed to several institutions.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Chromite

ⓘ Copper

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Orthopyroxene Subgroup'

8 valid minerals.

Meteorite/Rock Types Recorded

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

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Alphabetical List Tree Diagram

ⓘ H6 chondrite meteorite

Detailed Mineral List:

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

References:

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

ⓘ Copper

Formula: Cu

References:

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

ⓘ 'Fayalite-Forsterite Series'

Description: Olivine; Olivine composition [Fa18] in Mason, 1963. Usual Range for H chondrites is Fo76-80. Cf. Hutchinson (2004).

References:

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

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

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.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

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

ⓘ Iron

Formula: Fe

References:

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

ⓘ Iron var. Kamacite

Formula: (Fe,Ni)

References:

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

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

ⓘ 'Limonite'

Description: Generic term. "Strongly weathered" according to Ramdohr (1973). Rust obvious in photographs.

References:

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

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

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

ⓘ 'Orthopyroxene Subgroup'

Description: Classified as an 'Olivine-bronzite' chondrite.

References:

ⓘ 'Plessite'

References:

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

ⓘ Spinel

Formula: MgAl₂O₄

References:

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

ⓘ Taenite

Formula: (Fe,Ni)

References:

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

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

ⓘ Troilite

Formula: FeS

References:

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

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

Scott, E.R.D (1982) Origin of rapidly solidified metal-troilite grains in chondrites and iron meteorites. Geochimica et Cosmochimica Acta 46: 813-823.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Copper	1.AA.05	Cu
ⓘ	Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ	Taenite	1.AE.10	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Troilite	2.CC.10	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Unclassified
ⓘ	'Limonite'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plessite'	-
ⓘ	'Orthopyroxene Subgroup'	-

List of minerals for each chemical element

O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Fayalite-Forsterite Series
Mg	Magnesium
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Spinel	MgAl₂O₄
Si	Silicon
Si	ⓘ Fayalite-Forsterite Series
S	Sulfur
S	ⓘ Troilite	FeS
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	ⓘ Iron	Fe
Fe	ⓘ Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Fe	ⓘ Fayalite-Forsterite Series
Ni	Nickel
Ni	ⓘ Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Taenite	(Fe,Ni)
Cu	Copper
Cu	ⓘ Copper	Cu

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Granite-Rhyolite ProvinceMagmatic Province
Palo Duro BasinBasin
Shawnee DomainDomain

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=23893

www.lpi.usra.edu (n.d.) https://www.lpi.usra.edu/meteor/get_original_photo.php?recno=5632120

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

Taylor, G.J. (1968) On the Thermal History of Chondrites: Master's Thesis: Rice University. 73 pages.

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

Scott, E.R.D (1982) Origin of rapidly solidified metal-troilite grains in chondrites and iron meteorites. Geochimica et Cosmochimica Acta 46: 813-823.

Graf, Th. & Marti, K. (1995) Collisional history of H chondrites. J. Geophys. Res. (Planets) 100, 21247–21263.

Hutchinson, R. (2004) Meteorites: A Petrologic, Chemical and Isotopic Synthesis. Cambridge University Press: Cambridge, New York, Melbourne, Cape Town, Madrid, São Paolo. pp. 506 pages.

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Tell meteorite, Childress County, Texas, USAiRegional Level TypesTell meteoriteMeteorite Fall Location Childress CountyCounty TexasState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Mineral List

Meteorite/Rock Types Recorded

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Tell meteorite, Childress County, Texas, USA i
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