Sec 30 T29N R51E
Structure: Deposit On East Limb Of North Trending Anticline. Dips 60-80e

Alteration: Volcanics Devitrified, Argillized, With Sericite, And Secondary Kspar

Deposit: Discovered in 1903 by a. Plummer. Mining began in 1951 with total production through 1961 of 395,900 long tons of iron ore. Average grade was 57.8% fe. Only the southeastern half of the deposit is ore, most of the remainder is too low grade. The deposit was investigated by the USBM during w W ii. ; info.src : 1 pub lit ore occurs As replacement bodies localized at intersections of faults cutting volcanids.

Deposit type: Volcanic-hosted magnetite

Development: Mining began in 1951. SE portion of the deposit is higher grade than the rest. The deposit was investigated by the u.s.b.m. During w.w. Ii

Geology: The ore occurs As replacement of rhyodacite and rhyolite in mesozoic volcanic flows and is localized at intersections of northwest and northeast trending faults that cut the area. Boundaries of the deposits are sharp so selective mining can be used. Some portions of the deposits contain up to 6-7% phosphorous. The principal orebody is triangular in plan and dips 60ne. (roberts, 1967). A conspicuous silicified zone may have controlled in part the extent of mineralization on the northwest. The iron was probably derived from lower cret. Plutonic rock, which was deuterically altered (muffler, 196).

Rock formation(s): Frenchie Creek Rhyolite And Rhyodacite;Frenchie Creek Rhyolite And Rhyodacite

Ore(s): Ore Localized At Intersections Of NW & NE Trending Faults

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.

ⓘ Iron

Mineral List

10 valid minerals.

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

ⓘ Rhyodacite

ⓘ Rhyolite

Detailed Mineral List:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Calcite

Formula: CaCO₃

References:

NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Clinochlore

Formula: Mg₅Al(AlSi₃O₁₀)(OH)₈

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

ⓘ Hematite

Formula: Fe₂O₃

References:

NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada

ⓘ Hematite var. Martite

Formula: Fe₂O₃

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Jarosite

Formula: KFe³⁺₃(SO₄)₂(OH)₆

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

ⓘ Quartz

Formula: SiO₂

References:

NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Sanidine

Formula: K(AlSi₃O₈)

References:

Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	var. Martite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Jarosite	7.BC.10	KFe³⁺₃(SO₄)₂(OH)₆
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
Unclassified
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Calcite	CaCO₃
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Hematite var. Martite	Fe₂O₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	Magnesium
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	Aluminium
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Sanidine	K(AlSi₃O₈)
Si	Silicon
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sanidine	K(AlSi₃O₈)
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Sanidine	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Fe	Iron
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Jarosite	KFe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Hematite var. Martite	Fe₂O₃

Other Databases

Link to USGS MRDS:	10044727

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

Antler Foreland BasinBasin
Basin and Range BasinsBasin
Copper–Bull Run–Elko–Indian Wells BasinBasin
Mojave DomainDomain

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