The Boss – Bixby ore deposit is one of several iron deposits associated with the Precambrian igneouus rocks of then St. Francois mountains of southeastern Missouri. Boss – Bixby was discovered in 1956 by drilling a blind magnetic anomoly under Paleozoic cover. The deposit, located about 3 miles west of the Magmont lead-zinc mine on the Viburnum Trend, was never developed and is known only from drilling.

The Boss – Bixby ore deposit is localized near the margin of a ring-like syenite intrusion known as the Boss Plutonic complex. Ore minerals are disseminated in the syenite, in adjacent rhyolites and in associated fractures and breccias. Boss – Bixby is different than other iron deposits in the region in being rich in titanium, containing very little apatite (or rare earth elements), and including a large amount of copper. The copper-rich portions of the ore deposit occur as lenses within the iron ore. Day, et al (2001) give the copper ore reserve as approximately 40 mt at 0.8%. Covers Dent and Iron Counties.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Copper

ⓘ Iron

Mineral List

24 valid minerals.

Detailed Mineral List:

ⓘ Andalusite

Formula: Al₂(SiO₄)O

Reference: U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Andalusite var. Chiastolite

Formula: Al₂(SiO₄)O

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

ⓘ Bornite

Formula: Cu₅FeS₄

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Chalcocite

Formula: Cu₂S

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Chalcopyrite

Formula: CuFeS₂

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ 'Chlorite Group'

ⓘ Cobaltite

Formula: CoAsS

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Covellite

Formula: CuS

ⓘ Cuprite

Formula: Cu₂O

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Epidote

Formula: {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)

ⓘ Fluorite

Formula: CaF₂

ⓘ Galena

Formula: PbS

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

ⓘ Geikielite

Formula: MgTiO₃

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

ⓘ Hematite

Formula: Fe₂O₃

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Lepidocrocite

Formula: γ-Fe³⁺O(OH)

ⓘ 'Limonite'

Reference: Smith, F., 1968

ⓘ Linnaeite

Formula: Co²⁺Co³⁺₂S₄

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Molybdenite

Formula: MoS₂

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Nickelskutterudite

Formula: (Ni,Co,Fe)As₃

ⓘ Pyrite

Formula: FeS₂

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Quartz

Formula: SiO₂

ⓘ Rutile

Formula: TiO₂

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

ⓘ Sphalerite

Formula: ZnS

Reference: Smith, F., 1968; U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Cobaltite	2.EB.25	CoAsS
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Linnaeite	2.DA.05	Co²⁺Co³⁺₂S₄
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Nickelskutterudite	2.EC.05	(Ni,Co,Fe)As₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Sphalerite	2.CB.05a	ZnS
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Geikielite	4.CB.05	MgTiO₃
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Lepidocrocite	4.FE.15	γ-Fe³⁺O(OH)
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Andalusite	9.AF.10	Al₂(SiO₄)O
ⓘ	var. Chiastolite	9.AF.10	Al₂(SiO₄)O
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Unclassified Minerals, Rocks, etc.
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Chlorite Group'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Limonite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Lepidocrocite	γ-Fe³⁺O(OH)
H	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
O	Oxygen
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Geikielite	MgTiO₃
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Rutile	TiO₂
O	ⓘ Cuprite	Cu₂O
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Lepidocrocite	γ-Fe³⁺O(OH)
O	ⓘ Andalusite var. Chiastolite	Al₂(SiO₄)O
O	ⓘ Andalusite	Al₂(SiO₄)O
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Quartz	SiO₂
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Fluorite	CaF₂
Mg	Magnesium
Mg	ⓘ Geikielite	MgTiO₃
Al	Aluminium
Al	ⓘ Andalusite var. Chiastolite	Al₂(SiO₄)O
Al	ⓘ Andalusite	Al₂(SiO₄)O
Al	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	Silicon
Si	ⓘ Andalusite var. Chiastolite	Al₂(SiO₄)O
Si	ⓘ Andalusite	Al₂(SiO₄)O
Si	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Quartz	SiO₂
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Pyrite	FeS₂
S	ⓘ Molybdenite	MoS₂
S	ⓘ Cobaltite	CoAsS
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Sphalerite	ZnS
S	ⓘ Galena	PbS
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Covellite	CuS
S	ⓘ Linnaeite	Co²⁺Co₂³⁺S₄
S	ⓘ Gypsum	CaSO₄ · 2H₂O
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	Calcium
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Geikielite	MgTiO₃
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Lepidocrocite	γ-Fe³⁺O(OH)
Fe	ⓘ Nickelskutterudite	(Ni,Co,Fe)As₃
Fe	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Co	Cobalt
Co	ⓘ Cobaltite	CoAsS
Co	ⓘ Nickelskutterudite	(Ni,Co,Fe)As₃
Co	ⓘ Linnaeite	Co²⁺Co₂³⁺S₄
Ni	Nickel
Ni	ⓘ Nickelskutterudite	(Ni,Co,Fe)As₃
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Covellite	CuS
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Cobaltite	CoAsS
As	ⓘ Nickelskutterudite	(Ni,Co,Fe)As₃
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Pb	Lead
Pb	ⓘ Galena	PbS

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Day, W.C., Seeger, C.M., and Rye, R.O., 2001, Review of the iron oxide deposits of Missouri—Magmatic end members of the iron oxide-Cu-Au-U-REE deposit family [abs]: Geological Society of America Abstracts with Programs, v. 33, no. 6, p. 4

Shelton, K.L., Burstein, I.B., Hagni, R.D., Vierrether, C.B., Grant, S.K., Hennigh, Q.T., Bradley, M.F., and Brandom, R.T. (1995) Sulfur isotope evidence for penetration of MVT fluids into igneous basement rocks, southeast Missouri, USA. Mineralium Deposita 30, 339-350.

Smith, F.J., 1968, Mineralization of the Boss Bixby Anomaly, Iron and Dent Counties, Missouri, Masters Theses: Univ. of Missouri at Rolla.

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Boss - Bixby Iron-copper deposit, Dent County, Missouri, USAiRegional Level TypesBoss - Bixby Iron-copper depositDeposit Dent CountyCounty MissouriState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Commodity List

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

References

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Boss - Bixby Iron-copper deposit, Dent County, Missouri, USA i
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