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Pacoima Canyon pegmatite locality (Pacoima Canyon Allanite pegmatite; Allanite locality), Pacoima Canyon, San Gabriel Mts, Los Angeles Co., California, USA

Zircon
Pacoima Canyon pegmatite locality, Pacoima Canyon, San Gabriel Mts, Los Angeles Co., California, USA

Photo: g.slak 2008
Latitude: 34°21'N
Longitude: 118°23'W
A REE-U-Th occurrence located in the center W½W½ sec. 5, T3N, R14W, SBM.

References

Neuerberg, George Joseph (1954), Allanite pegmatite, San Gabriel Mountains, Los Angeles County, California: American Mineralogist: 39: 832, 833, 834.

Patchick, Paul F. (1955), A remarkable occurrence of allanite and zircon crystals from a southern California pegmatite: Rocks & Minerals: 30(5&6): 237-246.

Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 31-33, 87.

Frondel, J.W. (1964) Variation in some rare earths in allanite. American Mineralogist: 49: 1159-1177.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 366.

Dollase, W.A. (1971) Refinement of the crystal structures of epidote, allanite and hancockite. American Mineralogist: 56: 447-464.

Hoda, S.N. and Hood (1972): 343.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316, 361, 401, 428, 446, 461, 462, 486.

Mineral List

Albite
var: Oligoclase

Allanite-(Ce)
'Apatite'
Beryl
Biotite
Fluorapatite
'Hornblende'
Magnetite
Microcline
Muscovite
'Perthite'
Quartz
Thorite
Zircon


14 entries listed. 9 valid minerals.

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