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Ninety Mine, Central Mining District (Bayard District), Grant County, New Mexico, USAi
Regional Level Types
Ninety MineMine
Central Mining District (Bayard District)Mining District
Grant CountyCounty
New MexicoState
USACountry

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Latitude & Longitude (WGS84):
32° 47' 15'' North , 108° 5' 32'' West
Latitude & Longitude (decimal):
32.78761,-108.09228
GRN:
N22W66
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Hanover167 (2011)2.9km
Bayard2,264 (2017)4.6km
Santa Clara1,638 (2017)5.5km
North Hurley300 (2011)8.1km
Arenas Valley1,522 (2011)8.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Grant County Rolling Stones Gem & Mineral Society, Inc.Silver City, New Mexico18km
Mindat Locality ID:
35825
Long-form identifier:
mindat:1:2:35825:6
GUID (UUID V4):
0


Structure: Groundhog-Ivanhoe Fault

Deposit: Veins along splayed northeast end of groundhog-ivanhoe fault and dike system. Veins chiefly between granodiorite porphyry dike (hanging wall) and cretaceous colorado formation and quartz diorite sill (footwall).

Development: Rich supergene ores mined prior to 1904. Some mining of sulfide ores up until 1907. Idle since 1907.

Geology: One reference refers to the host rock As being pennsylvanian syrena formation.

Rock formation(s): Colorado


Ore(s): Vein, Fissure Filling, And Replacement Along Faults Near Or Adjacent To Igneous Intrusive Activity With Supergene Enrichment Of Near Surface Deposits.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


7 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 Diagram

Detailed Mineral List:

ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Galena
Formula: PbS
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCerussite5.AB.15PbCO3

List of minerals for each chemical element

CCarbon
Cⓘ CerussitePbCO3
OOxygen
Oⓘ CerussitePbCO3
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
ZnZinc
Znⓘ SphaleriteZnS
PbLead
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS

Other Databases

Link to USGS MRDS:10014778

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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.

References

Lindgren, Waldemar, Graton, L.C., Gordon, C.H. (1910) The ore deposits of New Mexico. Professional Paper 68. US Geological Survey doi:10.3133/pp68 p.314
(1936) Geology and ore deposits of the Bayard area, Central Mining District, New Mexico. Bulletin 870. US Geological Survey doi:10.3133/b870
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