McLaughlin Mine (Manhattan Mine), Knoxville, Knoxville Mining District, Napa County, California, USAi
Regional Level Types | |
---|---|
McLaughlin Mine (Manhattan Mine) | Mine |
Knoxville | - not defined - |
Knoxville Mining District | Mining District |
Napa County | County |
California | State |
USA | Country |
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Latitude & Longitude (WGS84):
38° 50' 17'' North , 122° 21' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Guinda | 254 (2011) | 14.8km |
Hidden Valley Lake | 5,579 (2011) | 17.2km |
Lower Lake | 1,294 (2011) | 22.8km |
Middletown | 1,323 (2011) | 23.7km |
Clearlake | 15,182 (2017) | 26.3km |
Mindat Locality ID:
15218
Long-form identifier:
mindat:1:2:15218:4
GUID (UUID V4):
d1a0b91a-caf4-4d11-a5b7-d2438e919e7b
A former open-cast Au-Ag-Pb-Hg-Sb occurrence/mine located in sec. 6, T11N, R4W, and in sec. 1, T11N, R5W, MDM, 2.4 km (7,900 feet) WNW of the Knoxville Mine. Discovered 1865. Worked 1863 - 1877, 1892 - 1905, 1916, 1927, 1932 - 1933, and 1936 - 1945. Some operations extended into Yolo and Lake counties.
The McLaughlin deposit is a large hot spring-type gold deposit located in the northern Coast Ranges of California at the faulted lithologic contact between the Coast Range ophiolite and the Great Valley sequence. The McLaughlin deposit is centered around the sheeted vein complex, a large multistage vein swarm, localized in a dilation zone formed by rheologic contrasts in the footwall polymictic melange. The surface expression of the sheeted vein complex is a subaerial sinter terrace, which merges into the sheeted vein complex. Metal zoning in the sheeted vein complex is highly telescoped. The sinter is enriched in mercury, whereas gold and silver are restricted to the upper 350 m. with the proportion of gold to silver decreasing with depth. Gold is typically present as electrum and is associated with silver and base metal-bearing sulfosalts. Below 350 m mineralization is dominated by small quartz veins with base metal sulfides.
Mineralization is a hydrothermal vein deposit. Host rock is aphanitic volcanic rock (tuff). The ore zone is irregular at 1609.3 meters (1 mile) long and 30.48 meters (several hundred yards ?) wide. The ore occurs as irregular veins of cinnabar filling joint cracks in Tertiary olivine basalt and is disseminated in the rocks adjoining the veins. Alteration is local: silicification of fault zones and tuff; bleaching and kaolinization of basalt. Volcanics are overlain by hot springs deposits.
Production: Ore ran more than 32-50 pounds/ton hand cobbed. Assay given as 18,520 grams/metric ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
26 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 DiagramDetailed Mineral List:
ⓘ Alunogen Formula: Al2(SO4)3 · 17H2O Colour: Yellow-white Description: Occurs as micro-crystals on melanterite. |
ⓘ Ammonioalunite Formula: (NH4)Al3(SO4)2(OH)6 |
ⓘ Aragonite Formula: CaCO3 |
ⓘ Arsenopyrite Formula: FeAsS |
ⓘ Baryte Formula: BaSO4 |
ⓘ Buddingtonite Formula: (NH4)(AlSi3O8) |
ⓘ Calcite Formula: CaCO3 |
ⓘ Cinnabar Formula: HgS References: |
ⓘ Gold Formula: Au Description: Dendritic. |
ⓘ Gold var. Electrum Formula: (Au,Ag) |
ⓘ Jamesonite Formula: Pb4FeSb6S14 Description: Occurs as delicate capillary crystals "feather ore" associated with cinnabar. |
ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 Description: Alteration product of basalt. |
ⓘ 'K Feldspar' |
ⓘ 'K Feldspar var. Adularia' Formula: KAlSi3O8 |
ⓘ Marcasite Formula: FeS2 |
ⓘ Melanterite Formula: Fe2+(H2O)6SO4 · H2O |
ⓘ Mercury Formula: Hg |
ⓘ Metacinnabar Formula: HgS |
ⓘ Miargyrite Formula: AgSbS2 |
ⓘ Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
ⓘ Montroydite Formula: HgO |
ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 |
ⓘ Opal Formula: SiO2 · nH2O Description: Brightly-colored, hydrocarbon-rich material. |
ⓘ Opal var. Lemon Opal Formula: SiO2 · nH2O |
ⓘ Opal var. Precious Opal Formula: SiO2 · nH2O |
ⓘ Pyrargyrite Formula: Ag3SbS3 |
ⓘ Pyrite Formula: FeS2 References: |
ⓘ Pyrolusite Formula: Mn4+O2 Description: Occurs as radiating concentric masses with cinnabar. |
ⓘ Quartz Formula: SiO2 References: |
ⓘ Quartz var. Chalcedony Formula: SiO2 Description: Occurs as "frothy" veins with associated mineral crystals. |
ⓘ Quartz var. Myrickite Formula: SiO2 |
ⓘ Senarmontite Formula: Sb2O3 Habit: Octahedral Description: Occurs as micro-octahedra in vugs and fissures of chert. |
ⓘ Stibnite Formula: Sb2S3 Description: Occurs as fibrous bands with cinnabar. References: |
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Gold var. Electrum | 1.AA.05 | (Au,Ag) |
ⓘ | 1.AA.05 | Au | |
ⓘ | Mercury | 1.AD.05 | Hg |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Metacinnabar | 2.CB.05a | HgS |
ⓘ | Cinnabar | 2.CD.15a | HgS |
ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
ⓘ | Marcasite | 2.EB.10a | FeS2 |
ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
ⓘ | Pyrargyrite | 2.GA.05 | Ag3SbS3 |
ⓘ | Miargyrite | 2.HA.10 | AgSbS2 |
ⓘ | Jamesonite | 2.HB.15 | Pb4FeSb6S14 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Montroydite | 4.AC.15 | HgO |
ⓘ | Senarmontite | 4.CB.50 | Sb2O3 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | var. Myrickite | 4.DA.05 | SiO2 |
ⓘ | var. Chalcedony | 4.DA.05 | SiO2 |
ⓘ | Opal var. Lemon Opal | 4.DA.10 | SiO2 · nH2O |
ⓘ | var. Precious Opal | 4.DA.10 | SiO2 · nH2O |
ⓘ | 4.DA.10 | SiO2 · nH2O | |
ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
ⓘ | Aragonite | 5.AB.15 | CaCO3 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Baryte | 7.AD.35 | BaSO4 |
ⓘ | Ammonioalunite | 7.BC.10 | (NH4)Al3(SO4)2(OH)6 |
ⓘ | Melanterite | 7.CB.35 | Fe2+(H2O)6SO4 · H2O |
ⓘ | Alunogen | 7.CB.45 | Al2(SO4)3 · 17H2O |
Group 9 - Silicates | |||
ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | Montmorillonite | 9.EC.40 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
ⓘ | Buddingtonite | 9.FA.30 | (NH4)(AlSi3O8) |
Unclassified | |||
ⓘ | 'K Feldspar' | - | |
ⓘ | 'var. Adularia' | - | KAlSi3O8 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
H | ⓘ Ammonioalunite | (NH4)Al3(SO4)2(OH)6 |
H | ⓘ Buddingtonite | (NH4)(AlSi3O8) |
H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
H | ⓘ Melanterite | Fe2+(H2O)6SO4 · H2O |
H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
H | ⓘ Opal | SiO2 · nH2O |
H | ⓘ Opal var. Precious Opal | SiO2 · nH2O |
H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Opal var. Lemon Opal | SiO2 · nH2O |
C | Carbon | |
C | ⓘ Aragonite | CaCO3 |
C | ⓘ Calcite | CaCO3 |
N | Nitrogen | |
N | ⓘ Ammonioalunite | (NH4)Al3(SO4)2(OH)6 |
N | ⓘ Buddingtonite | (NH4)(AlSi3O8) |
O | Oxygen | |
O | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
O | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
O | ⓘ Ammonioalunite | (NH4)Al3(SO4)2(OH)6 |
O | ⓘ Aragonite | CaCO3 |
O | ⓘ Baryte | BaSO4 |
O | ⓘ Buddingtonite | (NH4)(AlSi3O8) |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Quartz var. Chalcedony | SiO2 |
O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
O | ⓘ Melanterite | Fe2+(H2O)6SO4 · H2O |
O | ⓘ Montroydite | HgO |
O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
O | ⓘ Opal | SiO2 · nH2O |
O | ⓘ Pyrolusite | Mn4+O2 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Senarmontite | Sb2O3 |
O | ⓘ Opal var. Precious Opal | SiO2 · nH2O |
O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Opal var. Lemon Opal | SiO2 · nH2O |
O | ⓘ Quartz var. Myrickite | SiO2 |
Na | Sodium | |
Na | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Mg | Magnesium | |
Mg | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Al | Aluminium | |
Al | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
Al | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
Al | ⓘ Ammonioalunite | (NH4)Al3(SO4)2(OH)6 |
Al | ⓘ Buddingtonite | (NH4)(AlSi3O8) |
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 | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
Si | ⓘ Buddingtonite | (NH4)(AlSi3O8) |
Si | ⓘ Quartz var. Chalcedony | SiO2 |
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 | ⓘ Opal | SiO2 · nH2O |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Opal var. Precious Opal | SiO2 · nH2O |
Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Opal var. Lemon Opal | SiO2 · nH2O |
Si | ⓘ Quartz var. Myrickite | SiO2 |
S | Sulfur | |
S | ⓘ Alunogen | Al2(SO4)3 · 17H2O |
S | ⓘ Ammonioalunite | (NH4)Al3(SO4)2(OH)6 |
S | ⓘ Arsenopyrite | FeAsS |
S | ⓘ Baryte | BaSO4 |
S | ⓘ Cinnabar | HgS |
S | ⓘ Jamesonite | Pb4FeSb6S14 |
S | ⓘ Marcasite | FeS2 |
S | ⓘ Melanterite | Fe2+(H2O)6SO4 · H2O |
S | ⓘ Metacinnabar | HgS |
S | ⓘ Miargyrite | AgSbS2 |
S | ⓘ Pyrargyrite | Ag3SbS3 |
S | ⓘ Pyrite | FeS2 |
S | ⓘ Stibnite | Sb2S3 |
K | Potassium | |
K | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Aragonite | CaCO3 |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Mn | Manganese | |
Mn | ⓘ Pyrolusite | Mn4+O2 |
Fe | Iron | |
Fe | ⓘ Arsenopyrite | FeAsS |
Fe | ⓘ Jamesonite | Pb4FeSb6S14 |
Fe | ⓘ Marcasite | FeS2 |
Fe | ⓘ Melanterite | Fe2+(H2O)6SO4 · H2O |
Fe | ⓘ Pyrite | FeS2 |
As | Arsenic | |
As | ⓘ Arsenopyrite | FeAsS |
Ag | Silver | |
Ag | ⓘ Gold var. Electrum | (Au,Ag) |
Ag | ⓘ Miargyrite | AgSbS2 |
Ag | ⓘ Pyrargyrite | Ag3SbS3 |
Sb | Antimony | |
Sb | ⓘ Jamesonite | Pb4FeSb6S14 |
Sb | ⓘ Miargyrite | AgSbS2 |
Sb | ⓘ Pyrargyrite | Ag3SbS3 |
Sb | ⓘ Senarmontite | Sb2O3 |
Sb | ⓘ Stibnite | Sb2S3 |
Ba | Barium | |
Ba | ⓘ Baryte | BaSO4 |
Au | Gold | |
Au | ⓘ Gold var. Electrum | (Au,Ag) |
Au | ⓘ Gold | Au |
Hg | Mercury | |
Hg | ⓘ Cinnabar | HgS |
Hg | ⓘ Mercury | Hg |
Hg | ⓘ Metacinnabar | HgS |
Hg | ⓘ Montroydite | HgO |
Pb | Lead | |
Pb | ⓘ Jamesonite | Pb4FeSb6S14 |
Other Databases
Link to USGS MRDS: | 10040777 |
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Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Franciscan DomainDomain
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