Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.

Log In Register

Language:

About Support Us Photos Discussions Search Learn More

Quick Links : The Mindat Manual The Rock H. Currier Digital Library Mindat Newsletter [Free Download]

Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Contact Us Advertise on Mindat

Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat

Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time Explore Fossils

Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Localities Near Me Search Articles Search Glossary More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Mining Companies Statistics Users Mineral Museums Clubs & Organizations Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz Time Machine

Photo Search Photo Galleries Search by Color Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Pacific Mine, Pinos Altos Mining District, Grant County, New Mexico, USA i
Regional Level Types
Pacific Mine Mine
Pinos Altos Mining District Mining District
Grant County County
New Mexico State
USA Country

This page is currently not sponsored. Click here to sponsor this page.

Photos Maps Search

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google Link to USGS MRDS

Latitude & Longitude (WGS84):

32° 51' 16'' North , 108° 14' 20'' West

Latitude & Longitude (decimal):

32.85464,-108.23911

Type:

Köppen climate type:

BSk : Cold semi-arid (steppe) climate

Nearest Settlements:

Place	Population	Distance
Pinos Altos	198 (2011)	1.9km
Arenas Valley	1,522 (2011)	8.5km
Rosedale	394 (2017)	9.5km
Silver City	10,004 (2017)	10.2km
Santa Clara	1,638 (2017)	11.8km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
Grant County Rolling Stones Gem & Mineral Society, Inc.	Silver City, New Mexico	10km

Mindat Locality ID:

48902

Long-form identifier:

mindat:1:2:48902:4

GUID (UUID V4):

0

Other/historical names associated with this locality:

Hearst Shaft; Gillett Shaft; Thayer Shaft: Patented Claims; Pacific; South Extension Pacific; Pacific No. 2

Southwest of town. Consists of two shafts - the Hearst and Gillette
Alteration: Propylitization, Sericitization

Deposit: Three patented claims mineral survey numbers 63, 64 and 1566 covering 19.815 acres. Vein (n25-46e, steep nw) in diorite porphyry to north and andesite breccias to south. Vein about 1200 m long. Lindgren et al reports that vein strikes n60e, dips 75nw, and is .8 m wide. This record includes data from record d011730 by ron worl has been deleted form mrds. ; info.src : 1 pub lit; 2 unpub rept

Development: First deposit mined in the area.

Ore(s): Mineralization Localized In Fissures And Fractures Adjacent To A Monzonite Stock.

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

ⓘ Chalcopyrite

ⓘ Native Gold

ⓘ Rhodochrosite

10 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:

Formula: Ag₂S

References:

USGS Bull 470

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: BaSO₄

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: CaCO₃

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Chalcopyrite

Formula: CuFeS₂

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: PbS

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Native Gold

Formula: Au

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: FeS₂

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: SiO₂

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Rhodochrosite

Formula: MnCO₃

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Formula: ZnS

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

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Acanthite	2.BA.35	Ag₂S
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄

List of minerals for each chemical element

C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Acanthite	Ag₂S
S	ⓘ Baryte	BaSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Mn	Manganese
Mn	ⓘ Rhodochrosite	MnCO₃
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Acanthite	Ag₂S
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Au	Gold
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Galena	PbS

Other Databases

Link to USGS MRDS:	10013471

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, W., GRATON, L. C., AND GORDON, C. H., (1910) USGS PP 68, P. 297-299

PAIGE, S., (1911) USGS BULL 470, P. 109-118

BUSH, F. V., (1915) MINING AND ENGINEERING WORLD, VOL 42, NO 4, P. 165-168

Anderson, E.C., (1957) Nmbmmr Bull 39, P. 70-71

Jones, W. R., Moore, S. L., and Pratt, W. P., (1970) USGS Geologic Map, Gq-865

McLemore, V.T., Sutphin, D. M., Hack, D. R., and Pease, T. C. (1996) Mining History And Mineral Resources Of The Mlmbres Resource Area, Dora Ana, Luna, Hidalgo, And Grant Counties, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Openfile Report OF-424, 207.

Beeson, D.L. (2009) Site Characterization Report, Pinos Altos Mining District, Grant County, New Mexico. Ecology and Environment, Inc. report prepared for: U.S. Army Corps of Engineers, Fort Worth District, Fort Worth, Texas, Contract No. W9126G-06-D-0025, Task Order No. 0005.

Quick NavTop Commodities Mineral List Rock Types Other Databases Other Regions References

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 29, 2026 05:16:50 Page updated: August 25, 2025 21:43:40

Go to top of page