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

Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA i
Regional Level Types
Pebble Mountain Mountain
Picacho Mining District Mining District
Chocolate Mountains Mountain Range
Imperial County County
California State
USA Country

Regional Level Types
Pebble Mountain	Mountain
Picacho Mining District	Mining District
Chocolate Mountains	Mountain Range
Imperial County	County
California	State
USA	Country

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

Photos Maps Search

Standard

Add Photo

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Latitude & Longitude (WGS84):

32° 55' 36'' North , 114° 38' 17'' West

Latitude & Longitude (decimal):

G#: 9my7r64gy

Type:

Köppen climate type:

BWh : Hot deserts climate

Nearest Settlements:

Place	Population	Distance
Winterhaven	394 (2011)	20.8km
Yuma	94,139 (2017)	22.4km
Avenue B and C	4,176 (2017)	23.2km
Donovan Estates	1,508 (2017)	24.4km
Buckshot	153 (2017)	25.3km

Mindat Locality ID:

296644

Long-form identifier:

mindat:1:2:296644:4

GUID (UUID V4):

A summit in the SE Chocolate Mountains.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

ⓘ Gold

Mineral List

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

ⓘ Cerussite

ⓘ 'Chlorite Group'

ⓘ Galena

ⓘ var. Silver-bearing Galena

6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Basalt

ⓘ Gneiss

Detailed Mineral List:

ⓘ Cerussite

Formula: PbCO₃

Locality: Mayflower Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

Description: Occurs in small veins and pockets. The primary ore mineral.

References:

Merrill, Frederick James Hamilton (1916), San Diego, Imperial Counties: Calif. Min Bureau Report 14: 635-743: 732

Murdoch, Joseph; Webb, Robert Wallace (1966) Minerals of California, Centennial Volume (1866-1966) - California Division of Mines and Geology, Bulletin 189. California Division of Mines and Geology. 559 pp.

Morton, Paul K. (1977) Geology and Mineral Resources of Imperial County California. County Report 7. California Division of Mines and Geologyp.92

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Chlorite Group'

Locality: Rainbow Mine [2] (Hess claim; El Lucerne; El Lucero claim; La Fortuga No. 1 claim; La Fortuga No. 2 claim; Missing Link claim; Hess Mine; Cuidadela claim), Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

References:

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

ⓘ Galena

Formula: PbS

Locality: Mayflower Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

Description: Occurs in small veins and pockets.

References:

Merrill, Frederick James Hamilton (1916), San Diego, Imperial Counties: Calif. Min Bureau Report 14: 635-743: 732

Morton, Paul K. (1977) Geology and Mineral Resources of Imperial County California. County Report 7. California Division of Mines and Geologyp.92

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Galena var. Silver-bearing Galena

Formula: PbS with Ag

Locality: Mayflower Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

Description: Occurs in small veins and pockets.

References:

Merrill, Frederick James Hamilton (1916), San Diego, Imperial Counties: Calif. Min Bureau Report 14: 635-743: 732

Morton, Paul K. (1977) Geology and Mineral Resources of Imperial County California. County Report 7. California Division of Mines and Geologyp.92

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Gold

Formula: Au

Localities:

Gold Eagle Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Goshen Placer Mine, Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA
Rainbow Mine [2] (Hess claim; El Lucerne; El Lucero claim; La Fortuga No. 1 claim; La Fortuga No. 2 claim; Missing Link claim; Hess Mine; Cuidadela claim), Pebble Mountain, Picacho Mining District, Chocolate Mountains, Imperial County, California, USA

ⓘ Hematite

Formula: Fe₂O₃

References:

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

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

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

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

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

ⓘ Quartz

Formula: SiO₂

References:

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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Galena	2.CD.10	PbS
ⓘ	var. Silver-bearing Galena	2.CD.10	PbS with Ag
Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Cerussite	5.AB.15	PbCO₃
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
Unclassified
ⓘ	'Chlorite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Cerussite	PbCO₃
O	Oxygen
O	ⓘ Cerussite	PbCO₃
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	Aluminium
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Galena	PbS
S	ⓘ Galena var. Silver-bearing Galena	PbS with Ag
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Fe	Iron
Fe	ⓘ Hematite	Fe₂O₃
Ag	Silver
Ag	ⓘ Galena var. Silver-bearing Galena	PbS with Ag
Au	Gold
Au	ⓘ Gold	Au
Pb	Lead
Pb	ⓘ Cerussite	PbCO₃
Pb	ⓘ Galena	PbS
Pb	ⓘ Galena var. Silver-bearing Galena	PbS with Ag

Localities in this Region

USA

California
- Imperial County
  - Chocolate Mountains
    - Picacho Mining District
      - Pebble Mountain
        Gold Eagle Mine
        Golden Chain Mine
        Goshen Placer Mine
        Mayflower Mine
        Million Dollar Gold Mine
        Rainbow Mine [2] (Hess claim; El Lucerne; El Lucero claim; La Fortuga No. 1 claim; La Fortuga No. 2 claim; Missing Link claim; Hess Mine; Cuidadela claim)
        Yellow Dog Mine

Other Regions, Features and Areas containing this locality

North AmericaContinent

Sonoran DesertDesert

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.

Quick NavTop Commodities Mineral List Rock Types Localities in Region Other Regions

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 4, 2026 06:10:32 Page updated: July 30, 2025 07:20:30

Go to top of page