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Gibraltar Mine, Naica, Mun. de Saucillo, Chihuahua, Mexicoi
Regional Level Types
Gibraltar MineMine
Naica- not defined -
Mun. de SaucilloMunicipality
Chihuahua- not defined -
MexicoCountry

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Latitude & Longitude (WGS84): 27° 51' North , 105° 30' West
Latitude & Longitude (decimal): 27.85000,-105.50000
GeoHash:G#: 9suyrmcnp
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


This mine is famous for its "Cave of Swords" (Xochitl Cave) containing numerous long, fishtail twinned selenite crystals.


Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

6 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Rob Lavinsky specimen
Calcite var: Manganoan Calcite
Formula: (Ca,Mn)CO3
Reference: Rob Lavinsky specimen
Fluorite
Formula: CaF2
Reference: Rob Lavinsky specimen
Galena
Formula: PbS
Reference: Rob Lavinsky specimen
Gypsum
Formula: CaSO4 · 2H2O
Reference: Van King
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Reference: Panczner(1987):221.
Pyrite
Formula: FeS2
Reference: Rob Lavinsky
Sphalerite
Formula: ZnS
Reference: Rob Lavinsky

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Galena'2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
'Fluorite'3.AB.25CaF2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
var: Manganoan Calcite5.AB.05(Ca,Mn)CO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Gypsum'7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Unclassified Minerals, Rocks, etc.
Calcite
var: Manganoan Calcite
-(Ca,Mn)CO3
Gypsum
var: Selenite
-CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H Gypsum (var: Selenite)CaSO4 · 2H2O
CCarbon
C CalciteCaCO3
C Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
OOxygen
O CalciteCaCO3
O GypsumCaSO4 · 2H2O
O Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
O Gypsum (var: Selenite)CaSO4 · 2H2O
FFluorine
F FluoriteCaF2
SSulfur
S GalenaPbS
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S Gypsum (var: Selenite)CaSO4 · 2H2O
S SphaleriteZnS
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
MnManganese
Mn Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
FeIron
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
PbLead
Pb GalenaPbS

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

Quaternary - Miocene
0 - 23.03 Ma



ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 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]

Early Cretaceous
100.5 - 145 Ma



ID: 2441292

Age: Early Cretaceous (100.5 - 145 Ma)

Lithology: Limestone

Reference: Instituto Nacional de Estadística, Geografía e Informática. Conjunto de Datos Vectoriales Geológicos. Continuo Nacional. Escala 1:1’000,000. [63]

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)
- Panczner (1987): 221.
- Fisher, R.D. (2006): Die grössten Gipskristalle der Welt: "Crystal Cave of the Giants" in Naica, Mexiko. LAPIS 31 (11), 33-36. (in German)

Localities in this Region
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Mexico

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