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McLaughlin Mine (Manhattan Mine), Knoxville, Knoxville District, Napa Co., California, USA

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Key
Lock Map
Latitude & Longitude (WGS84): 38° 50' 17'' North , 122° 21' 50'' West
Latitude & Longitude (decimal): 38.83806,-122.36389
GeoHash:G#: 9qbuzw324
Locality type:Mine
Köppen climate type:Csb : Warm-summer Mediterranean climate


A former open-cast Au-Ag-Pb-Hg 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/mt.

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


26 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Alunogen
Formula: Al2(SO4)3 · 17H2O
Colour: Yellow-white
Description: Occurs as micro-crystals on melanterite.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 263.
Ammonioalunite
Formula: (NH4)Al3(SO4)2(OH)6
Reference: Journal of Volcanology & Geothermal Resources: 56: 401-414.
Aragonite
Formula: CaCO3
Reference: ; Bailey, Edgar H. (1959), Froth veins, formed by immiscible hydrothermal fluids, in mercury deposits, California: Geological Society of America Bulletin 70: 661-664; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 216, 347.
Arsenopyrite
Formula: FeAsS
Baryte
Formula: BaSO4
Buddingtonite
Formula: (NH4)(AlSi3)O8
Reference: Journal of Volcanology & Geothermal Resources 56: 401-414.
Calcite
Formula: CaCO3
'Chert'
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 185.
Cinnabar
Formula: HgS
Reference: Kim, C. S., Rytuba, J. J., & Brown Jr, G. E. (2004). Geological and anthropogenic factors influencing mercury speciation in mine wastes: an EXAFS spectroscopy study. Applied Geochemistry, 19(3), 379-393.; Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78: 86; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232, 304, 350; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 118.
'Electrum'
Formula: (Au, Ag)
Reference: Sherlock, Ross L., Richard M. Tosdal, Norman J. Lehrman, Joseph R. Graney, Steven Losh, E. Craig Jowett and Stephen E. Kesler (1995), Origin of the McLaughlin Mine sheeted vein complex; metal zoning, fluid inclusion, and isotopic evidence. Economic Geology: 90(8): 2156-2181.
Gold
Formula: Au
Description: Dendritic.
Reference: Sherlock, R.L. and Lehrman, N.J. (1995), Occurrences of dendritic gold at the McLaughlin Mine. Mineralium Deposita: 30 (3-4): 323-327.
Jamesonite
Formula: Pb4FeSb6S14
Description: Occurs as delicate capillary crystals "feather ore" associated with cinnabar.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 137.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Description: Alteration product of basalt.
Reference: USGS MRDS database (2005), loc. file ID #10040777.
'K Feldspar'
Reference: Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.
Marcasite
Formula: FeS2
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 263.
Mercury
Formula: Hg
Metacinnabar
Formula: HgS
Reference: Kim, C. S., Rytuba, J. J., & Brown Jr, G. E. (2004). Geological and anthropogenic factors influencing mercury speciation in mine wastes: an EXAFS spectroscopy study. Applied Geochemistry, 19(3), 379-393.
Miargyrite
Formula: AgSbS2
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.
Montroydite
Formula: HgO
Reference: Kim, C. S., Rytuba, J. J., & Brown Jr, G. E. (2004). Geological and anthropogenic factors influencing mercury speciation in mine wastes: an EXAFS spectroscopy study. Applied Geochemistry, 19(3), 379-393.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.
Opal
Formula: SiO2 · nH2O
Description: Brightly-colored, hydrocarbon-rich material.
Reference: Sherlock, R.L. and Lehrman, N.J. (1995), Occurrences of dendritic gold at the McLaughlin Mine. Mineralium Deposita: 30 (3-4): 323-327.
Opal var: Lemon Opal
Formula: SiO2 · nH2O
Opal var: Precious Opal
Formula: SiO2 · nH2O
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
Reference: Dana 6: 1095-1096.
Pyrolusite
Formula: Mn4+O2
Description: Occurs as radiating concentric masses with cinnabar.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 304.
Quartz
Formula: SiO2
Reference: Sherlock, Ross L., Richard M. Tosdal, Norman J. Lehrman, Joseph R. Graney, Steven Losh, E. Craig Jowett and Stephen E. Kesler (1995), Origin of the McLaughlin Mine sheeted vein complex; metal zoning, fluid inclusion, and isotopic evidence. Economic Geology: 90(8): 2156-2181.; Sherlock, R. L. (1996). Hydrothermal alteration of volcanic rocks at the McLaughlin gold deposit, northern California. Canadian Journal of Earth Sciences, 33(3), 493-508.; Bailey, Edgar H. (1959), Froth veins, formed by immiscible hydrothermal fluids, in mercury deposits, California: Geological Society of America Bulletin 70: 661-664; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 216, 347.
Quartz var: Chalcedony
Formula: SiO2
Description: Occurs as "frothy" veins with associated mineral crystals.
Reference: ; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 347.
Quartz var: Myrickite
Formula: SiO2
Senarmontite
Formula: Sb2O3
Habit: Octahedral
Description: Occurs as micro-octahedra in vugs and fissures of chert.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 185.
'Sinter'
Reference: Sherlock, Ross L., Richard M. Tosdal, Norman J. Lehrman, Joseph R. Graney, Steven Losh, E. Craig Jowett and Stephen E. Kesler (1995), Origin of the McLaughlin Mine sheeted vein complex; metal zoning, fluid inclusion, and isotopic evidence. Economic Geology: 90(8): 2156-2181.
Stibnite
Formula: Sb2S3
Description: Occurs as fibrous bands with cinnabar.
Reference: ; Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78: 86; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 350; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 130.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Electrum1.AA.05(Au, Ag)
Gold1.AA.05Au
Mercury1.AD.05Hg
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
Cinnabar2.CD.15aHgS
Jamesonite2.HB.15Pb4FeSb6S14
Marcasite2.EB.10aFeS2
Metacinnabar2.CB.05aHgS
Miargyrite2.HA.10AgSbS2
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Stibnite2.DB.05Sb2S3
Group 4 - Oxides and Hydroxides
Montroydite4.AC.15HgO
Opal4.DA.10SiO2 · nH2O
var: Lemon Opal4.DA.10SiO2 · nH2O
var: Precious Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Myrickite4.DA.05SiO2
Senarmontite4.CB.50Sb2O3
Group 5 - Nitrates and Carbonates
'Aragonite'5.AB.15CaCO3
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Alunogen'7.CB.45Al2(SO4)3 · 17H2O
'Ammonioalunite'7.BC.10(NH4)Al3(SO4)2(OH)6
'Baryte'7.AD.35BaSO4
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Group 9 - Silicates
'Buddingtonite'9.FA.30(NH4)(AlSi3)O8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
Chert-
K Feldspar-
'var: Adularia'-KAlSi3O8
Sinter-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Mercury1.1.7.1Hg
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Metacinnabar2.8.2.3HgS
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
2 < ø < 2.49
Jamesonite3.6.7.1Pb4FeSb6S14
ø = 2
Miargyrite3.7.3.2AgSbS2
Group 4 - SIMPLE OXIDES
AX
Montroydite4.2.6.1HgO
A2X3
Senarmontite4.3.9.2Sb2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
A2(XO4)3·H2O
Alunogen29.8.6.1Al2(SO4)3 · 17H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Ammonioalunite30.2.4.6(NH4)Al3(SO4)2(OH)6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Buddingtonite76.1.2.1(NH4)(AlSi3)O8
Unclassified Minerals, Rocks, etc.
Aragonite-CaCO3
'Chert'-
'Electrum'-(Au, Ag)
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Opal
var: Lemon Opal
-SiO2 · nH2O
var: Precious Opal-SiO2 · nH2O
Quartz
var: Chalcedony
-SiO2
var: Myrickite-SiO2
'Sinter'-

List of minerals for each chemical element

HHydrogen
H AlunogenAl2(SO4)3 · 17H2O
H Ammonioalunite(NH4)Al3(SO4)2(OH)6
H Buddingtonite(NH4)(AlSi3)O8
H KaoliniteAl2(Si2O5)(OH)4
H Opal (var: Lemon Opal)SiO2 · nH2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H Opal (var: Precious Opal)SiO2 · nH2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
NNitrogen
N Ammonioalunite(NH4)Al3(SO4)2(OH)6
N Buddingtonite(NH4)(AlSi3)O8
OOxygen
O K Feldspar (var: Adularia)KAlSi3O8
O AlunogenAl2(SO4)3 · 17H2O
O Ammonioalunite(NH4)Al3(SO4)2(OH)6
O AragoniteCaCO3
O BaryteBaSO4
O Buddingtonite(NH4)(AlSi3)O8
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O KaoliniteAl2(Si2O5)(OH)4
O Opal (var: Lemon Opal)SiO2 · nH2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MontroyditeHgO
O MuscoviteKAl2(AlSi3O10)(OH)2
O Quartz (var: Myrickite)SiO2
O OpalSiO2 · nH2O
O Opal (var: Precious Opal)SiO2 · nH2O
O PyrolusiteMn4+O2
O QuartzSiO2
O SenarmontiteSb2O3
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al AlunogenAl2(SO4)3 · 17H2O
Al Ammonioalunite(NH4)Al3(SO4)2(OH)6
Al Buddingtonite(NH4)(AlSi3)O8
Al KaoliniteAl2(Si2O5)(OH)4
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si K Feldspar (var: Adularia)KAlSi3O8
Si Buddingtonite(NH4)(AlSi3)O8
Si Quartz (var: Chalcedony)SiO2
Si KaoliniteAl2(Si2O5)(OH)4
Si Opal (var: Lemon Opal)SiO2 · nH2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Quartz (var: Myrickite)SiO2
Si OpalSiO2 · nH2O
Si Opal (var: Precious Opal)SiO2 · nH2O
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S AlunogenAl2(SO4)3 · 17H2O
S Ammonioalunite(NH4)Al3(SO4)2(OH)6
S ArsenopyriteFeAsS
S BaryteBaSO4
S CinnabarHgS
S JamesonitePb4FeSb6S14
S MarcasiteFeS2
S MelanteriteFe2+(H2O)6SO4 · H2O
S MetacinnabarHgS
S MiargyriteAgSbS2
S PyrargyriteAg3SbS3
S PyriteFeS2
S StibniteSb2S3
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe ArsenopyriteFeAsS
Fe JamesonitePb4FeSb6S14
Fe MarcasiteFeS2
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe PyriteFeS2
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag Electrum(Au, Ag)
Ag MiargyriteAgSbS2
Ag PyrargyriteAg3SbS3
SbAntimony
Sb JamesonitePb4FeSb6S14
Sb MiargyriteAgSbS2
Sb PyrargyriteAg3SbS3
Sb SenarmontiteSb2O3
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
AuGold
Au Electrum(Au, Ag)
Au GoldAu
HgMercury
Hg CinnabarHgS
Hg MercuryHg
Hg MetacinnabarHgS
Hg MontroyditeHgO
PbLead
Pb JamesonitePb4FeSb6S14

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cretaceous
66 - 145 Ma



ID: 3186437
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Late Jurassic - Middle Jurassic
145 - 174.1 Ma



ID: 2875613
Ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains)

Age: Jurassic (145 - 174.1 Ma)

Stratigraphic Name: Josephine Peridotite

Description: Ultramafic rocks, mostly serpentine. Minor peridotite, gabbro, and diabase. Chiefly Mesozoic unit 3

Comments: Coast Range ophiolite, Josephine ophiolite. Ultramafic rocks in Middle to Late Jurassic ophiolites of Coast Ranges and westernmost Klamath Mts. Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{serpentinite}, Minor:{peridotite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1095-1096.
Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78: 86.
Rocks & Minerals (1947): 22: 615.
Bailey, Edgar H. (1959), Froth veins, formed by immiscible hydrothermal fluids, in mercury deposits, California: Geological Society of America Bulletin 70: 661-664.
Davis, F.F. and E.H. Bailey (1966) Mercury. California Division Mines and Geol. Bulletin 191.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 232, 304, 350.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 111 (map 3-7), 118, 119 (map 3-9), 130, 137, 185, 216, 263, 347.
USGS MRDS database (2005), loc. file ID #10040777.
Journal of Volcanology & Geothermal Resources: 56: 401-414.
Sherlock, R.L. and Lehrman, N.J. (1995), Occurrences of dendritic gold at the McLaughlin Mine. Mineralium Deposita: 30 (3-4): 323-327.
Sherlock, Ross L., Richard M. Tosdal, Norman J. Lehrman, Joseph R. Graney, Steven Losh, E. Craig Jowett and Stephen E. Kesler (1995), Origin of the McLaughlin Mine sheeted vein complex; metal zoning, fluid inclusion, and isotopic evidence. Economic Geology: 90(8): 2156-2181.

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