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Iron Mask Mine, Magdalena District, Socorro Co., New Mexico, USAi
Regional Level Types
Iron Mask MineMine
Magdalena DistrictMining District
Socorro Co.County
New MexicoState

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Latitude & Longitude (WGS84):
34° 3' 59'' North , 107° 12' 36'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
Magdalena911 (2017)6.4km
Socorro8,722 (2017)29.3km
Lemitar330 (2011)29.5km
Polvadera269 (2011)30.7km
Luis Lopez107 (2011)31.1km

No description has been added for this locality. Can you add one?

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

8 valid minerals.

Detailed Mineral List:

Formula: Ag2S
Reference: [MinRec 20:17]; GF Loughlin (1942) Geology and ore deposits of the Magdalena mining district, New Mexico. USGS Professional Paper 200.
Formula: Cu2S
Reference: Min Rec 20:1 pp13-24; GF Loughlin (1942) Geology and ore deposits of the Magdalena mining district, New Mexico. USGS Professional Paper 200.
Formula: CuFeS2
Reference: Minerals of New Mexico 3rd ed.
Formula: Cu
Reference: GF Loughlin (1942) Geology and ore deposits of the Magdalena mining district, New Mexico. USGS Professional Paper 200.
Formula: CuS
Reference: Minerals of New Mexico 3rd ed.
Formula: Cu2O
Reference: GF Loughlin (1942) Geology and ore deposits of the Magdalena mining district, New Mexico. USGS Professional Paper 200.
Formula: PbS
Reference: Minerals of New Mexico 3rd ed.
Formula: Ag
Reference: Minerals of New Mexico 3rd ed.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides

List of minerals arranged by Dana 8th Edition classification

Metals, other than the Platinum Group
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 1:1

List of minerals for each chemical element

O CupriteCu2O
S AcanthiteAg2S
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S GalenaPbS
S CovelliteCuS
Fe ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CovelliteCuS
Cu CupriteCu2O
Cu CopperCu
Ag AcanthiteAg2S
Ag SilverAg
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

2.588 - 5.333 Ma

ID: 3192320
Cenozoic volcanic rocks

Age: Pliocene (2.588 - 5.333 Ma)

Lithology: Volcanic 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]

Chattian - Rupelian
23.03 - 33.9 Ma

ID: 2812288
Upper middle Tertiary rhyolitic pyroclastic rocks of the Mogollon Group, ash-flow tuffs

Age: Oligocene (23.03 - 33.9 Ma)

Stratigraphic Name: Mogollon Group

Description: Regional ash-flow tuffs include the La Jencia, Vick's Peak, Lemitar, South Canyon, Bloodgood Canyon, Shelley Peak, Davis Canyon, Park, Rhyolite Canyon, Apache Springs, and Amalia Tuffs; the tuffs of Horseshoe Canyon, Diamond Creek, Garcia Camp, Caronita Canyon, Turkey Springs, and Little Mineral Creek; and the Jordan Canyon Formation. Includes some locally erupted lavas and tuffs within thick intra-caldera units; includes minor volcaniclastic sedimentary units between thin outflow sheets.

Comments: Original map source: Green, G.N., Jones, G.E., and Anderson, O.J., 1997, The Digital Geologic Map of New Mexico in ARC/INFO Format: U.S. Geological Survey Open-File Report 97-0052, 9 p., scale 1:500,000.

Lithology: Major:{rhyolite}, Minor:{clastic}

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Loughlin, G.F. and Koschmann, A.H. (1942), Geology and ore deposits of the Magdalena mining district, New Mexico. USGS Professional Paper 200.
Mineralogical Record (1989): 20(1): 13-24.

USGS MRDS Record:10223962
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