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Morongo District (Lone Valley District), San Bernardino Mountains, San Bernardino Co., California, USAi
Regional Level Types
Morongo District (Lone Valley District)Mining District
San Bernardino MountainsMountain Range
San Bernardino Co.County
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
34° 14' 15'' North , 116° 37' 33'' West
Latitude & Longitude (decimal):
Locality type:


Location: This district is in the eastern San Bernardino Mountains. There are a number of small lode-gold mines and prospects, most of which have been idle for many years.

Geology: The deposits are shallow and consist of narrow quartz veins containing free gold, often abundant sulfides, and scheelite. Country rock is granite, limestone, and schist.

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.


Mineral List

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

10 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

Detailed Mineral List:

'Allanite Group'
Formula: {A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Description: Occurs in Biotite pods in granitic rock.
Reference: Walker, G.W., et al (1956), Radioactive deposits in California: California Division Mines Special Report 49: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 271-272; Pemberton, H. Earl (1983), Minerals of California: 319.
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Description: Occurs as pods in granitic rock.
Reference: Walker, G.W., et al (1956), Radioactive deposits in California: California Division Mines Special Report 49: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 271-272; Pemberton, H. Earl (1983), Minerals of California: 319.
Bismuthinite
Formula: Bi2S3
Reference: Tucker, W. Burling & Reid J. Sampson (1931), Los Angeles Field Division; 27th Report of the State Mineralogist; San Bernardino County: California Mining Bureau. Report 27: 297; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 107.
Bismutite
Formula: (BiO)2CO3
Colour: Green
Description: Occurs as needles 1/8 to ¾ inches (0.5 to 2.0 cm) long.
Reference: Tucker, W. Burling (1921), Los Angeles field division: California Mining Bureau. Report 17: 374; Hess, Frank L. & Esper S. Larsen (1922), Contact-metamorphic tungsten deposits of the United States: USGS Bulletin 725: 261; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 234.
Cerussite
Formula: PbCO3
Reference: Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Division Mines Report 39: 486-487; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 111-112; Pemberton, H. Earl (1983), Minerals of California: 104.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035331.
Galena
Formula: PbS
Reference: Tucker, W. Burling & Reid J. Sampson (1943b), Mineral resources of San Bernardino County: California Division Mines Report 39: 486-487; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49: 111-112; Pemberton, H. Earl (1983), Minerals of California: 233.
'Mica Group'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10169990.
'Monazite'
Formula: REE(PO4)
Description: A Thorian variety occurring in Biotite pods in granitic rock.
Reference: Walker, G.W., et al (1956), Radioactive deposits in California: California Division Mines Special Report 49: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 271-272; Pemberton, H. Earl (1983), Minerals of California: 319.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Southern Pacific Company (1964b) Minerals for Industry, Vol III - Southern California, 242 pp.: 179; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 429.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Scheelite
Formula: Ca(WO4)
Localities:
Reference: ; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Spinel
Formula: MgAl2O4
Colour: Black
Description: Occurs in basalt flows.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 345.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bismuthinite2.DB.05Bi2S3
Galena2.CD.10PbS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Bismutite5.BE.25(BiO)2CO3
Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
'Mica Group'-
'Monazite'-REE(PO4)

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
C CerussitePbCO3
C Bismutite(BiO)2CO3
OOxygen
O ScheeliteCa(WO4)
O QuartzSiO2
O BaryteBaSO4
O CerussitePbCO3
O Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
O MonaziteREE(PO4)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O SpinelMgAl2O4
O Bismutite(BiO)2CO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si QuartzSiO2
Si Allanite Group{A12+REE3+}{M13+M23+M32+}(Si2O7)(SiO4)O(OH)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
PPhosphorus
P MonaziteREE(PO4)
SSulfur
S BismuthiniteBi2S3
S BaryteBaSO4
S GalenaPbS
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
BaBarium
Ba BaryteBaSO4
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenaPbS
Pb CerussitePbCO3
BiBismuth
Bi BismuthiniteBi2S3
Bi Bismutite(BiO)2CO3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Crossman, J.H. (1890), San Bernardino County: California Mining Bureau. Report 9: 263.
Cloudman, H.C., F.J.H. Merrill & E. Huguenin (1920), San Bernardino County: California Mining Bureau. Report 16: 774-899; […(abstract): Geol. Zentralbl., Band 27: 394]: 800.
Tucker, W. Burling (1921), Los Angeles field division: California Mining Bureau. Report 17: 374.
Hess, Frank L. & Esper S. Larsen (1922), Contact-metamorphic tungsten deposits of the United States: USGS Bulletin 725: 262.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 191, 331, 545.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 174.

Localities in this Region

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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.
 
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