Log In
Pacoima Canyon pegmatite locality (Pacoima Canyon Allanite pegmatite; Allanite locality), Pacoima Canyon, Los Angeles County, California, USAi
| Regional Level Types | |
|---|---|
| Pacoima Canyon pegmatite locality (Pacoima Canyon Allanite pegmatite; Allanite locality) | - not defined - |
| Pacoima Canyon | Canyon |
| Los Angeles County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
34° 21' North , 118° 23' West
Latitude & Longitude (decimal):
Kรถppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| San Fernando | 24,931 (2018) | 9.1km |
| Shadow Hills | 13,000 (2018) | 10.2km |
| Sunland | 15,316 (2018) | 11.9km |
| Tujunga | 26,527 (2018) | 13.9km |
| Santa Clarita | 182,371 (2017) | 15.3km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Sierra Pelona Rock Club | Newhall, California | 14km |
| Woodland Hills Rock Chippers, Inc. | San Fernando Valley, California | 19km |
| Del Air Rockhounds Club | Northridge, California | 20km |
| Mineralogical Society of Southern California | Pasadena, California | 31km |
| Pasadena Lapidary Society | Pasadena, California | 31km |
A REE-U-Th occurrence located in the center WยฝWยฝ sec. 5, T3N, R14W, SBM.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
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 DiagramDetailed Mineral List:
| โ Albite Formula: Na(AlSi3O8) |
| โ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] |
| โ Allanite-(Ce) Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) Description: Occurs as abundant rough tabular crystals & grains to 2 or 3 inches (5.0-7.5 cm) in a pegmatite. References: Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California. American Mineralogist, 39 (9-10). 831-834 p.833 Patchick, Paul F. (1955) A Remarkable Occurrence of Allanite & Zircon Crystals from a Southern California Pegmatite. Rocks & Minerals, 30 (5) 237-246 doi:10.1080/00357529.1955.11767815 |
| โ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) Description: Occurs as small euhedral crystals. References: Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California. American Mineralogist, 39 (9-10). 831-834 p.833 |
| โ Beryl Formula: Be3Al2(Si6O18) Colour: Greenish white Description: Occurs as small pale crystals. |
| โ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 Description: Occurs as crystals 15 cm x 1.5 meters. References: Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California. American Mineralogist, 39 (9-10). 831-834 p.832 |
| โ 'Feldspar Group' |
| โ 'Feldspar Group var. Perthite' |
| โ Fluorapatite Formula: Ca5(PO4)3F References: |
| โ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 Habit: Up to one foot in length Description: Rock forming. Occurs as euhedral crystals in metamorphic rocks. |
| โ Magnetite Formula: Fe2+Fe3+2O4 |
| โ Microcline Formula: K(AlSi3O8) References: |
| โ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| โ Quartz Formula: SiO2 |
| โ Thorite Formula: Th(SiO4) Description: Occurs as well-formed crystals. |
| โ Zircon Formula: Zr(SiO4) Colour: Pinkish Fluorescence: pale yellow, strong orange Description: Abundant transparent crystals in pegmatite. References: Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California. American Mineralogist, 39 (9-10). 831-834 p.833 |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| โ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| โ | Quartz | 4.DA.05 | SiO2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| โ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| โ | Thorite | 9.AD.30 | Th(SiO4) |
| โ | Zircon | 9.AD.30 | Zr(SiO4) |
| โ | Allanite-(Ce) | 9.BG.05b | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| โ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| โ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| โ | Microcline | 9.FA.30 | K(AlSi3O8) |
| โ | Albite | 9.FA.35 | Na(AlSi3O8) |
| โ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| Unclassified | |||
| โ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| โ | 'Feldspar Group' | - | |
| โ | 'var. Perthite' | - | |
| โ | 'Hornblende Root Name Group' | - | โปCa2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| โ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| H | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| H | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Be | Beryllium | |
| Be | โ Beryl | Be3Al2(Si6O18) |
| O | Oxygen | |
| O | โ Albite | Na(AlSi3O8) |
| O | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| O | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | โ Beryl | Be3Al2(Si6O18) |
| O | โ Fluorapatite | Ca5(PO4)3F |
| O | โ Magnetite | Fe2+Fe23+O4 |
| O | โ Microcline | K(AlSi3O8) |
| O | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | โ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | โ Quartz | SiO2 |
| O | โ Thorite | Th(SiO4) |
| O | โ Zircon | Zr(SiO4) |
| O | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | โ Fluorapatite | Ca5(PO4)3F |
| F | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | โ Albite | Na(AlSi3O8) |
| Na | โ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Mg | Magnesium | |
| Mg | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | โ Albite | Na(AlSi3O8) |
| Al | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Al | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | โ Beryl | Be3Al2(Si6O18) |
| Al | โ Microcline | K(AlSi3O8) |
| Al | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | โ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | Silicon | |
| Si | โ Albite | Na(AlSi3O8) |
| Si | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Si | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | โ Beryl | Be3Al2(Si6O18) |
| Si | โ Microcline | K(AlSi3O8) |
| Si | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | โ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | โ Quartz | SiO2 |
| Si | โ Thorite | Th(SiO4) |
| Si | โ Zircon | Zr(SiO4) |
| Si | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| P | Phosphorus | |
| P | โ Fluorapatite | Ca5(PO4)3F |
| P | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | โ Microcline | K(AlSi3O8) |
| K | โ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Ca | โ Fluorapatite | Ca5(PO4)3F |
| Ca | โ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | Iron | |
| Fe | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Fe | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | โ Magnetite | Fe2+Fe23+O4 |
| Zr | Zirconium | |
| Zr | โ Zircon | Zr(SiO4) |
| Ce | Cerium | |
| Ce | โ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Th | Thorium | |
| Th | โ Thorite | Th(SiO4) |
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America Plate
- Mojave DomainDomain
- Peninsular Ranges BatholithVolcanic Arc
Pacific PlateTectonic Plate
USA
- California
- San Gabriel MountainsMountain Range
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
Neuerburg, George J. (1954) Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California. American Mineralogist, 39 (9-10). 831-834
Patchick, Paul F. (1955) A Remarkable Occurrence of Allanite & Zircon Crystals from a Southern California Pegmatite. Rocks & Minerals, 30 (5) 237-246 doi:10.1080/00357529.1955.11767815
Frondel, Judith W. (1964) Variation of some rare earths in allanite. American Mineralogist, 49 (9-10) 1159-1177
Pacoima Canyon pegmatite locality, Pacoima Canyon, Los Angeles County, California, USA