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Little Joe No. 2 adit (Joe 2 adit; Little Joe II adit), Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USAi
Regional Level Types
Little Joe No. 2 adit (Joe 2 adit; Little Joe II adit)Adit
Stewart Mine (MS 6162; Stewart Lithia mine)Mine
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)Mountain
Pala- not defined -
Pala DistrictMining District
San Diego Co.County
CaliforniaState
USACountry

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Key
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Latitude & Longitude (WGS84): 33° 23' 0'' North , 117° 3' 44'' West
Latitude & Longitude (decimal): 33.38333,-117.06222
GeoHash:G#: 9muvbjmbh
Locality type:Adit
Köppen climate type:Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Rainbow1,832 (2011)8.5km
Temecula112,011 (2017)14.6km
Fallbrook30,534 (2011)17.6km
Hidden Meadows3,485 (2011)18.2km
Bonsall3,982 (2011)18.4km


Summary:
The Little Joe No. 2[1] is an adit driven southwesterly into the Stewart pegmatite for several hundred feet using mechanized haulage to develop a series of inclined room and pillar crosscuts that encountered several major pockets containing gem quality crystals of fine rubellite, morganite, and kunzite; associated with accessory minerals such as lepidolite, quartz, and montmorillonite. The adit was originally a short exploratory drift developed by the American Lithia and Chemical Company circa 1907, which was reported to have produced light pink kunzite and some gem tourmaline. These workings were later widened and extended further down dip between the late 1980's and early 90's. The adit and underground workings are located on the patented Stewart mine property. Elevation approx. 1069' AMSL.

Footnote:
1.The adit was named in honor of the fictional character Little Joe Cartwright, from the popular American television series "Bonanza", a Western themed show which aired on NBC from 1959 to 1973.

Regions containing this locality

Pacific PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Biotite'
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Lepidolite'
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Lithiophilite
Formula: LiMn2+PO4
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Microcline
Formula: K(AlSi3O8)
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Quartz
Formula: SiO2
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Spodumene
Formula: LiAlSi2O6
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Spodumene var: Kunzite
Formula: LiAlSi2O6
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
'Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Lithiophilite8.AB.10LiMn2+PO4
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Microcline9.FA.30K(AlSi3O8)
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Spodumene9.DA.30LiAlSi2O6
var: Kunzite9.DA.30LiAlSi2O6
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
'Lepidolite'-
'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 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Lithiophilite38.1.1.2LiMn2+PO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 61 - CYCLOSILICATES Six-Membered Rings
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
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
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, Mixtures, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
'Biotite'-
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
Kaolinite-Al2(Si2O5)(OH)4
'Lepidolite'-
'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 Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
LiLithium
Li SpodumeneLiAlSi2O6
Li Spodumene (var: Kunzite)LiAlSi2O6
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li LithiophiliteLiMn2+PO4
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
B IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O QuartzSiO2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O SpodumeneLiAlSi2O6
O Spodumene (var: Kunzite)LiAlSi2O6
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
O IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
O KaoliniteAl2(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite (var: Cleavelandite)Na(AlSi3O8)
O AlbiteNa(AlSi3O8)
O MicroclineK(AlSi3O8)
O SpessartineMn32+Al2(SiO4)3
O AlmandineFe32+Al2(SiO4)3
O LithiophiliteLiMn2+PO4
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Albite (var: Cleavelandite)Na(AlSi3O8)
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al SpodumeneLiAlSi2O6
Al Spodumene (var: Kunzite)LiAlSi2O6
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al SpessartineMn32+Al2(SiO4)3
Al AlmandineFe32+Al2(SiO4)3
SiSilicon
Si QuartzSiO2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si SpodumeneLiAlSi2O6
Si Spodumene (var: Kunzite)LiAlSi2O6
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si MicroclineK(AlSi3O8)
Si SpessartineMn32+Al2(SiO4)3
Si AlmandineFe32+Al2(SiO4)3
PPhosphorus
P LithiophiliteLiMn2+PO4
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
Mn LithiophiliteLiMn2+PO4
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe AlmandineFe32+Al2(SiO4)3

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

Holocene - Pliocene
0 - 5.333 Ma



ID: 2817582
Quaternary alluvium and marine deposits

Age: Cenozoic (0 - 5.333 Ma)

Stratigraphic Name: Temescal Formation; Modesto Formation; Victor Formation; Alameda Formation; Aromas Red Sands; Bautista Beds; Brawley Formation; Borrego Formation; Burnt Canyon Breccia; Cabezon Fanglomerate; Campus Formation; Casitas Formation; Chemehuevi Formation; Corcoran Clay; Cushenbury Springs Formation; Dos Picachos Gravels; Dripping Springs Formation; Frazier Mountain Formation; Friant Formation; Harold Formation; Heights Fanglomerate; Hookton Formation; Huichica Formation; La Habra Formation; Manix Lake Beds; Mohawk Lake Beds; Montezuma Formation; Nadeau Gravel; Ocotillo Conglomerate; Orcutt Formation; Pacoima Formation; Pauba Formation; Peckham Formation; Pinto Formation; Resting Springs Formation; Riverbank Formation; Rohnerville Formation; San Dimas Formation; Shoemaker Gravel; Temecula Arkose; Battery Formation; Bay Point Formation; Colma Formation; Lindavista Formation; Lomita Marl; Merritt Sand; Millerton Formation; Palos Verdes Sand; San Pedro Formation; Sweitzer Formation; Timms Point Silt

Description: Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Comments: 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:{coarse alluvium}, Minor:{fine alluvium}

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: 2706610
Granite pegmatite dike

Age: Cretaceous (66 - 145 Ma)

Description: Tabular, pegmatitic-textured granitic dikes. Most dikes range in thickness from a few centimeters to over a meter. Larger dikes are typically zoned compositionally and texturally.

Reference: Kennedy, M.P., and S.S. Tan. digital prep. by Bovard et al. Geologic Map of the Oceanside 30’ x 60’ Quadrangle, California. California Department of Conservation California Geological Survey. [131]

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)
Merrill, F. J. H. (1914), Geology and Mineral Resources of San Diego and Imperial Counties: Gems, Lithia Minerals. California State Mining Bureau, San Francisco, Cal. California State Printing Office, December. Chapter 1, pages 61-110.
Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.


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