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Fano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine), Little Cahuilla Mountain, Cahuilla District, Riverside Co., California, USAi
Regional Level Types
Fano Mine (Big Pink claim; Fano-Simmons Mine; Little Blue claim; MS 4800; Simmons Mine)Mine
Little Cahuilla MountainMountain
Cahuilla DistrictMining District
Riverside Co.County
CaliforniaState
USACountry

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Latitude & Longitude (WGS84): 33° 36' 21'' North , 116° 47' 8'' West
Latitude & Longitude (decimal): 33.60611,-116.78583
GeoHash:G#: 9muznmz1u
USGS MRDS Record:10096069
Locality type:Mine
Köppen climate type:Csa : Hot-summer Mediterranean climate


Setting:
A rare-earth-element (REE)-gemstone-specimen producing pegmatite occurrence/mine located in the NW¼SW¼ Sec. 33, T6S, R2E, SBM, 2.3 km (1.4 miles) E of Little Cahuilla Mountain (coordinates of record), 3.3 km (2.0 miles) N of Cahuilla Mountain (coordinates of record) and 8.3 km (5.1 miles) NNW of Cahuilla (town), on private (patented) land within a National Forest. MRDS database stated accuracy for this location is 100 meters.

History:
The deposit was first discovered by Bert Simmons in 1902, and is best known for its production of well-crystallized schorl and gem aquamarine, as well as pink tourmaline and spodumene. Two contiguous lode mining claims (Big Pink and Little Blue lodes; MS 4800) are commonly referred to as the Fano Mine, and aggregate approximately 37.54 acres. The property is private land, patented January 29th, 1912 by the Fano Kunzite Tourmaline Mining company.

Geology/Mineralogy: The ore body is a pegmatite dike that strikes NW and dips 20SW at a width of 2.44 meters. Local rocks include Mesozoic gabbroic rocks, unit 2 (undivided) and/or pre-Cenozoic granitic and metamorphic rocks undivided.

Workings: Workings include surface and underground openings. The deposit has been developed by numerous surface cuts, trenches, and minor underground drifts along the paystreak.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Fano Simmons

Regions containing this locality

Pacific Plate

Plate - 0 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Fisher, Daniel Jerome (1944), Some southern California pegmatites: unpublished manuscript, USGS: 75.
Amblygonite
Formula: LiAl(PO4)F
Description: Occurs in lithia-pegmatite.
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.
Beryl
Formula: Be3Al2(Si6O18)
Colour: Yellow, pale green
Description: Occurs in lithia-pegmatite.
Reference: Rocks & Minerals (1988): 63: 441.
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: Gochenour, K. 1988. Black Tourmaline from Little Cahuilla Mountain, Riverside County, California. Rocks and Minerals, 63 (6): p. 440-444.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
Cassiterite
Formula: SnO2
Reference: Nicholas Rose
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Fisher, Daniel Jerome (1944), Some southern California pegmatites: unpublished manuscript, USGS: 75; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 155.
Columbite-(Mn)
Formula: Mn2+Nb2O6
Description: 30% Ta-rich, high in Mn and poor in Fe. Occurs as fan-shaped masses of radiating crystals up to 3 inches (7.5 cm) in an albite-quartz mixture in pegmatite.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 177.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Occurs in lithia-pegmatite.
Reference: Rocks & Min.:63:441.
'Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.
'Lepidolite'
Description: Occurs in lithia-pegmatite.
Reference: Rocks & Min.:63:441.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
'Mica Group'
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.
Microcline
Formula: K(AlSi3O8)
Reference: Neal Rose
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: Cal Div of Mines & Geo Bulletin 189 " Minerals of California"
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Neal Rose
Quartz
Formula: SiO2
Description: Occurs in lithia-pegmatite. Suibstantial production of fine crystals.
Reference: Rocks & Minerals (1988): 63: 441.
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Occurs in lithia-pegmatite.
Reference: Rocks & Min.:63:441.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
Spodumene
Formula: LiAlSi2O6
Description: Occurs in lithia-pegmatite.
Reference: Rocks & Min.:63:441.
Spodumene var: Kunzite
Formula: LiAlSi2O6
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
'Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: p. 121-22.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Columbite-(Mn)4.DB.35Mn2+Nb2O6
Microlite Group4.00.A2-mTa2X6-wZ-n
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Amblygonite'8.BB.05LiAl(PO4)F
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
var: Aquamarine9.CJ.05Be3Al2Si6O18
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spodumene9.DA.30LiAlSi2O6
var: Kunzite9.DA.30LiAlSi2O6
Unclassified Minerals, Rocks, etc.
Columbite-(Fe)-Columbite-(Mn) Series-
Indicolite-A(D3)G6(T6O18)(BO3)3X3Z
Lepidolite-
Mica Group-
Rubellite-A(D3)G6(T6O18)(BO3)3X3Z
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z
Verdelite-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
AB2O6
Columbite-(Mn)8.3.2.4Mn2+Nb2O6
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
Beryl
var: Aquamarine
-Be3Al2Si6O18
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
'Lepidolite'-
'Mica Group'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
Spodumene
var: Kunzite
-LiAlSi2O6
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li AmblygoniteLiAl(PO4)F
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li Spodumene (var: Kunzite)LiAlSi2O6
Li SpodumeneLiAlSi2O6
BeBeryllium
Be Beryl (var: Aquamarine)Be3Al2Si6O18
Be BerylBe3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O Beryl (var: Aquamarine)Be3Al2Si6O18
O BerylBe3Al2(Si6O18)
O CassiteriteSnO2
O Columbite-(Mn)Mn2+Nb2O6
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
O Spodumene (var: Kunzite)LiAlSi2O6
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O SpodumeneLiAlSi2O6
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
FFluorine
F AmblygoniteLiAl(PO4)F
NaSodium
Na AlbiteNa(AlSi3O8)
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al Beryl (var: Aquamarine)Be3Al2Si6O18
Al BerylBe3Al2(Si6O18)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Spodumene (var: Kunzite)LiAlSi2O6
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpodumeneLiAlSi2O6
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Beryl (var: Aquamarine)Be3Al2Si6O18
Si BerylBe3Al2(Si6O18)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Spodumene (var: Kunzite)LiAlSi2O6
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpodumeneLiAlSi2O6
PPhosphorus
P AmblygoniteLiAl(PO4)F
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
MnManganese
Mn Columbite-(Mn)Mn2+Nb2O6
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
NbNiobium
Nb Columbite-(Mn)Mn2+Nb2O6
SnTin
Sn CassiteriteSnO2
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n

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

Late Cretaceous - Paleoproterozoic
66 - 2500 Ma



ID: 2826368
pre-Cenozoic granitic and metamorphic rocks undivided

Age: to Cretaceous (66 - 2500 Ma)

Stratigraphic Name: Ash Mountain Complex; Placerita Formation; Sur Series

Description: Granitic and metamorphic rocks, mostly gneiss and other metamorphic rocks injected by granitic rocks. Mesozoic to Precambrian.

Comments: Southern California, Mojave Desert, Sierra Nevada, central California Coast Ranges Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{plutonic,gneiss}, Incidental:{metasedimentary, metavolcanic}

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]

Cretaceous
66 - 145 Ma



ID: 3186295
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous 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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Kunz, G. F. (1905), Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau bulletin 37: 121-123.
Merrill, Frederick James Hamilton (1919), Los Angeles, Orange and Riverside Counties: California Mining Bureau (Report 15): 15: 576.
Tucker, W. Burling & Reid J. Sampson (1929), Riverside County: California Journal of Mines and Geology, California Mining Bureau. (Report 25): 25: 508.
Fisher, Daniel Jerome (1944), Some southern California pegmatites: unpublished manuscript, USGS: 68, 75.
Murdoch, Joseph & Webb, Robert W. (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 63, 103, 155, 242, 265, 346.
Rynerson, F. J. (1967), Exploring and Mining Gems & Gold in the West; Chapter 17, 118-120: Naturegraph Publishers, Inc., Happy Camp, California.
California Division of Mines and Geology Open-File Report 77-14 (1977): 251-253.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 177, 179, 310, 348, 388, 430, 446, 503.
Gochenour, K. (1988), Black Tourmaline from Little Cahuilla Mountain, Riverside County, California. Rocks and Minerals: 63(6): 440-444.
Fisher, J. (2002), Gem and rare-element pegmatites of southern California. Mineralogical Record 33(5): 363-407.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10096069 & 10139888.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060650072.


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