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Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA

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Latitude & Longitude (WGS84): 29° 19' 5'' North , 103° 41' 39'' West
Latitude & Longitude (decimal): 29.31806,-103.69417
GeoHash:G#: 9tnqb3hnn
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Second largest mercury producer in district.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Mariposa Mine, Terlingua District, Brewster Co., Texas, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals. 3 (TL) - type locality of valid minerals.

Detailed Mineral List:

Anhydrite
Formula: CaSO4
Reference: Rocks & Minerals: 66(1): 202.
Baryte
Formula: BaSO4
Calcite
Formula: CaCO3
Reference: Canadian Mineralogist 43:1055-1060; Canadian Mineralogist Vol. 19, pp. 393-396 (1981)
Calomel
Formula: (Hg2)2+Cl2
Reference: Rocks & Minerals: 66(1): 202.
Cinnabar
Formula: HgS
Reference: BEG Min Res Circ 73.
Comancheite (TL)
Formula: Hg2+55N3–24(NH2,OH)4(Cl,Br)34
Reference: Canadian Mineralogist (1981): 19: 393-396.
Corderoite
Formula: Hg2+3S2Cl2
Reference: Mineral News: 13(3): 1, 4, 5.
Edgarbaileyite
Formula: (Hg-Hg)3Si2O7
Reference: Rocks & Minerals: 66(1): 202.
Eglestonite
Formula: (Hg2+2)3OCl3(OH)
Reference: Rocks & Minerals: 66(1): 202.
Gianellaite (TL)
Formula: [(NHg2)2](SO4)(H2O)x
Reference: Neues Jahrb. Min., Mh. (1977): 119-131.
Goethite
Formula: α-Fe3+O(OH)
Reference: Canadian Mineralogist Vol. 19, pp. 393-396 (1981)
Gypsum
Formula: CaSO4 · 2H2O
Reference: Rocks & Minerals: 66(1): 202.; Canadian Mineralogist 43:1055-1060
Hematite
Formula: Fe2O3
Reference: Canadian Mineralogist Vol. 19, pp. 393-396 (1981)
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Rocks & Minerals: 66(1): 202.
Kleinite
Formula: (Hg2N)(Cl,SO4) · nH2O
Reference: Rocks & Minerals: 66(1): 202.
Mercury
Formula: Hg
Reference: Rocks & Minerals: 66(1): 202.
Metacinnabar
Formula: HgS
Reference: Rocks & Minerals: 66(1): 202.
Montroydite
Formula: HgO
Reference: Rocks & Minerals: 66(1): 202.
Mosesite
Formula: (Hg2N)(Cl,SO4,MoO4) · H2O
Reference: Rocks & Minerals: 66(1): 202.
'Native Amalgam' ?
Formula: (Ag,Hg)
Reference: Rocks & Minerals: 66(1): 202.
Pinchite
Formula: Hg2+5Cl2O4
Reference: Rocks & Minerals: 66(1): 202.
Quartz
Formula: SiO2
Reference: Canadian Mineralogist Vol. 19, pp. 393-396 (1981)
Silver ?
Formula: Ag
Reference: Rocks & Minerals: 66(1): 202.
Terlinguacreekite (TL)
Formula: Hg2+3Cl2O2
Reference: Canadian Mineralogist 43:1055-1060
Terlinguaite
Formula: (Hg2+2)Hg2+2Cl2O2
Reference: Rocks & Minerals: 66(1): 202.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Mercury'1.AD.05Hg
'Silver' ?1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Cinnabar'2.CD.15aHgS
'Corderoite'2.FC.15aHg2+3S2Cl2
'Metacinnabar'2.CB.05aHgS
Group 3 - Halides
'Calomel'3.AA.30(Hg2)2+Cl2
'Comancheite' (TL)3.DD.65Hg2+55N3–24(NH2,OH)4(Cl,Br)34
'Eglestonite'3.DD.05(Hg2+2)3OCl3(OH)
'Gianellaite' (TL)3.DD.30[(NHg2)2](SO4)(H2O)x
'Kleinite'3.DD.35(Hg2N)(Cl,SO4) · nH2O
'Mosesite'3.DD.30(Hg2N)(Cl,SO4,MoO4) · H2O
'Pinchite'3.DD.25Hg2+5Cl2O4
'Terlinguacreekite' (TL)3.DD.55Hg2+3Cl2O2
'Terlinguaite'3.DD.20(Hg2+2)Hg2+2Cl2O2
Group 4 - Oxides and Hydroxides
'Goethite'4.00.α-Fe3+O(OH)
'Hematite'4.CB.05Fe2O3
'Montroydite'4.AC.15HgO
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anhydrite'7.AD.30CaSO4
'Baryte'7.AD.35BaSO4
'Gypsum'7.CD.40CaSO4 · 2H2O
'Jarosite'7.BC.10KFe3+ 3(SO4)2(OH)6
Group 9 - Silicates
'Edgarbaileyite'9.BC.25(Hg-Hg)3Si2O7
Unclassified Minerals, Rocks, etc.
'Native Amalgam' ?-(Ag,Hg)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Mercury1.1.7.1Hg
Silver ?1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Metacinnabar2.8.2.3HgS
Group 4 - SIMPLE OXIDES
AX
Montroydite4.2.6.1HgO
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX
Calomel9.1.8.1(Hg2)2+Cl2
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A3(O,OH)2Xq
Corderoite10.3.3.1Hg2+3S2Cl2
A2(O,OH)Xq
Kleinite10.4.3.1(Hg2N)(Cl,SO4) · nH2O
Terlinguaite10.4.2.1(Hg2+2)Hg2+2Cl2O2
Am(O,OH)pXq
Comancheite (TL)10.5.5.1Hg2+55N3–24(NH2,OH)4(Cl,Br)34
Eglestonite10.5.4.1(Hg2+2)3OCl3(OH)
Pinchite10.5.3.1Hg2+5Cl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
A2XO4
Gianellaite (TL)28.2.4.1[(NHg2)2](SO4)(H2O)x
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2B(XO4)2·xH2O
Mosesite29.3.8.1(Hg2N)(Cl,SO4,MoO4) · H2O
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with dimeric cations
Edgarbaileyite55.5.1.1(Hg-Hg)3Si2O7
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Native Amalgam' ?-(Ag,Hg)
Terlinguacreekite (TL)-Hg2+3Cl2O2

List of minerals for each chemical element

HHydrogen
H ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
H Eglestonite(Hg22+)3OCl3(OH)
H Gianellaite[(NHg2)2](SO4)(H2O)x
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H Kleinite(Hg2N)(Cl,SO4) · nH2O
H Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
CCarbon
C CalciteCaCO3
C Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
NNitrogen
N ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
N Gianellaite[(NHg2)2](SO4)(H2O)x
N Kleinite(Hg2N)(Cl,SO4) · nH2O
N Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
OOxygen
O AnhydriteCaSO4
O BaryteBaSO4
O CalciteCaCO3
O ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
O Edgarbaileyite(Hg-Hg)3Si2O7
O Eglestonite(Hg22+)3OCl3(OH)
O Gianellaite[(NHg2)2](SO4)(H2O)x
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O JarositeKFe3+ 3(SO4)2(OH)6
O Kleinite(Hg2N)(Cl,SO4) · nH2O
O MontroyditeHgO
O Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
O PinchiteHg52+Cl2O4
O QuartzSiO2
O TerlinguacreekiteHg32+Cl2O2
O Terlinguaite(Hg22+)Hg22+Cl2O2
SiSilicon
Si Edgarbaileyite(Hg-Hg)3Si2O7
Si QuartzSiO2
SSulfur
S AnhydriteCaSO4
S BaryteBaSO4
S CinnabarHgS
S CorderoiteHg32+S2Cl2
S Gianellaite[(NHg2)2](SO4)(H2O)x
S GypsumCaSO4 · 2H2O
S JarositeKFe3+ 3(SO4)2(OH)6
S Kleinite(Hg2N)(Cl,SO4) · nH2O
S MetacinnabarHgS
S Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
ClChlorine
Cl Calomel(Hg2)2+Cl2
Cl ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
Cl CorderoiteHg32+S2Cl2
Cl Eglestonite(Hg22+)3OCl3(OH)
Cl Kleinite(Hg2N)(Cl,SO4) · nH2O
Cl Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
Cl PinchiteHg52+Cl2O4
Cl TerlinguacreekiteHg32+Cl2O2
Cl Terlinguaite(Hg22+)Hg22+Cl2O2
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca AnhydriteCaSO4
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe JarositeKFe3+ 3(SO4)2(OH)6
BrBromine
Br ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
MoMolybdenum
Mo Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
AgSilver
Ag Native Amalgam(Ag,Hg)
Ag SilverAg
BaBarium
Ba BaryteBaSO4
HgMercury
Hg Calomel(Hg2)2+Cl2
Hg CinnabarHgS
Hg ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
Hg CorderoiteHg32+S2Cl2
Hg Edgarbaileyite(Hg-Hg)3Si2O7
Hg Eglestonite(Hg22+)3OCl3(OH)
Hg Gianellaite[(NHg2)2](SO4)(H2O)x
Hg Kleinite(Hg2N)(Cl,SO4) · nH2O
Hg MercuryHg
Hg MetacinnabarHgS
Hg MontroyditeHgO
Hg Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
Hg Native Amalgam(Ag,Hg)
Hg PinchiteHg52+Cl2O4
Hg TerlinguacreekiteHg32+Cl2O2
Hg Terlinguaite(Hg22+)Hg22+Cl2O2

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

Late Cretaceous
66 - 100.5 Ma



ID: 2727260
Buda Limestone and Del Rio Clay, undivided

Age: Late Cretaceous (66 - 100.5 Ma)

Stratigraphic Name: Buda Limestone; Del Rio Clay

Description: Buda Limestone and Del Rio Clay, undivided; Eastern part of Trans-Pecos and High Plains and Western part of Trans-Pecos and North, central, and south Texas including Quaternary for all of west Texas.

Comments: In Eastern part of Trans-Pecos and High Plains-Buda Ls--Limestone, fine grained, bioclastic, commonly glauconitic, pyrite, hard, massive lt gray to pale orange; formation is as much as 45 ft thick. Del Rio Clay--Clay, calcar. to gypsiferous, pyrite common, blocky, med gray, weathers lt gray to lt yell-gray, contains lenses of calcar siltst., marine megafossils include abdt Exogyra arietina and other pelecypods; thickness 40-70 ft. In Western part of Trans-Pecos Texas- Buda Ls--upper part-- thin to thick beds, resistant, few chert nodules; middle--interbedded gray ls, marl, and calc shale, limonite nodules; lower--fossilif., aphanitic ls, thin to thick beds; formation is 200-350 ft thick. Del Rio Clay--lt gray to lt yell-gray marl interbedded with clayey lt gray, nodular ls. thickness 87 ft. Original map source: Stoeser, Douglas B., Shock, Nancy, Green, Gregory N., Dumonceaux, Gayle M., and Heran, William D., 2005, Geologic Map Database of Texas, USGS, DS 170, scale 1:500,000.

Lithology: Major:{limestone}, Minor:{marlstone,claystone}, Incidental:{siltstone, shale}

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]

Early Cretaceous
100.5 - 145 Ma



ID: 3186170
Mesozoic sedimentary rocks

Age: Early Cretaceous (100.5 - 145 Ma)

Lithology: Carbonate,shale

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]

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)
Yates, R.G. and Thompson, G.A. (1944) The Mariposa mine, Terlingua quicksilver district, Brewster County, Texas. USGS Open-File Report 44-75.
Tunell, G., Fahey, J.J., Daugherty, F.W., Gibbs, G.V. (1977) Gianellaite, a new mercury mineral. Neues Jahrbuch für Mineralogie, Monatshefte, 119-131.
Roberts, A.C., Ansell, H.G. and Dunn, P.J. (1981) Comancheite, a new mercury oxychloride-bromide from Terlingua, Texas. Canadian Mineralogist, 19, 393-396.
Smith, A.E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66:196.
Roberts, A.C., Gault, R.A., Paar, W.H., Cooper, M.A., Hawthorne, F.C., Burns, P.C., Cisneros, S. and Foord, E.E. (2005) Terlinguacreekite, Hg2+3O2Cl2, a new mineral species from the Perry Pit, Mariposa mine, Terlingua mining district, Brewster County, Texas, U.S.A. Canadian Mineralogist 43:1055-1060.

Localities in this Region
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USA
  • Texas
    • Brewster Co.
      • Terlingua District
        • Mariposa Mine (California Mountain Mine)

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.
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