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Unnamed Lazulite occurrence [1], Indian Pass (Breyfogle Pass; Breyfogle Canyon), Funeral Mts (Funeral Range), Amargosa Range, Inyo Co., California, USAi
Regional Level Types
Unnamed Lazulite occurrence [1]Occurrence
Indian Pass (Breyfogle Pass; Breyfogle Canyon)Pass
Funeral Mts (Funeral Range)Mountain Range
Amargosa RangeMountain Range
Inyo Co.County

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Latitude & Longitude (WGS84): 36° 36' 22'' North , 116° 47' 1'' West
Latitude & Longitude (decimal): 36.60611,-116.78361
GeoHash:G#: 9qsbnxby0
Locality type:Occurrence
Köppen climate type:BWk : Cold desert climate
Nearest Settlements:
Beatty1,010 (2011)33.7km

A phosphate occurrence located in T30N, R1E, SBM (approximate), in Breyfogle Canyon, about 14.0 km (8.7 miles) SE of Chloride City, on National Park Service wilderness land (Death Valley National Park).

NOTE: There is no listing for a Breyfogle Canyon in the USGS GNIS database; however, there is a listing for Indian Pass, which has an alternate name of Breyfogle Pass (a canyon on the eastern side of the Funeral Range). The coordinates provided are the coordinates of record (canyon mouth) from the USGS GNIS database.

Regions containing this locality

North America PlateTectonic Plate
Death Valley National Park, California/Nevada, USANational Park

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

1 valid mineral.

Detailed Mineral List:

Formula: MgAl2(PO4)2(OH)2
Description: Occurs in a vein in schist.
Reference: Cloudman, H.C., F.J.H. Merrill & E. Huguenin (1919), San Bernardino County: California Mining Bureau. Report 15: 774-899; […(abstract): Geol. Zentralbl., Band 27: 394]: 864; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 240; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 911.

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates

List of minerals arranged by Dana 8th Edition classification


List of minerals for each chemical element

H LazuliteMgAl2(PO4)2(OH)2
O LazuliteMgAl2(PO4)2(OH)2
Mg LazuliteMgAl2(PO4)2(OH)2
Al LazuliteMgAl2(PO4)2(OH)2
P LazuliteMgAl2(PO4)2(OH)2

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

Quaternary - Miocene
0 - 23.03 Ma

ID: 3185380
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 23.03 Ma)

Lithology: Sedimentary 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]

541 - 2500 Ma

ID: 3111488
Stirling Quartzite

Age: Proterozoic (541 - 2500 Ma)

Stratigraphic Name: Stirling Quartzite

Description: Micaceous quartzite, siltstone, and orthoquartzite. Unit chiefly consists of medium-grained red and purple quartz-rich sandstone, arkosic sandstone, and pebbly sandstone. Informally divided into 5 units based on relative proportions of micaceous siltstone and shale and on presence of sparse limestone beds (Barnes and Christiansen, 1967). Total thickness variable across the region, but generally 700 m to more than 1500 m; no complete sections are preserved in the map area. From the Funeral Mountains to Bare Mountain (Monsen and others, 1992; Wright and Troxel, 1993), Member E, 90 m thick, consists of white to pale yellowish-brown, medium- to thick-bedded, fine-grained orthoquartzite. Quartzite commonly is laminated or cross laminated. Member D, 630 m thick, consists of medium-to-thick interbeds of light brownishgray, fine-grained quartzite and micaceous quartzite, yellowish-brown dolomite, and pale-green siltstone in upper two thirds, while lower third is pale-gray to paleorange, medium- to thick-bedded dolomite and limestone, which commonly are laminated. Member C is pale-green siltstone, phyllite, or schist containing sparse beds of micaceous quartzite, limestone and dolomite. Siltstone is thinly bedded and platy splitting where only slightly metamorphosed. Member B contains finegrained arkosic sandstone, micaceous siltstone, and beds of laminated dolomite. Member A consists of fine- to coarse-grained sandstone, varying from quartz arenite to arkose and containing abundant beds of quartz-pebble conglomerate and platy siltstone. A distinctive interval in upper part contains interbeds of paleorange dolomite and limestone. Siltstone in Members A and B is metamorphosed to garnet-bearing schist in northern Funeral Mountains

Reference: Carr, M.D., D.A. Sawyer, K. Nimz, F. Maldonado, WC Swadley. Digital Bedrock Geologic Map Database of the Beatty 30 X 60-Minute Quadrangle, Nevada and California. U.S. Geological Survey Open-File Report 96-291. [141]

541 - 4000 Ma

ID: 2899663
Precambrian rocks, undivided, unit 1 (Death Valley)

Age: Precambrian (541 - 4000 Ma)

Stratigraphic Name: Beck Spring Dolomite; Crystal Spring Formation; Deep Spring Formation; Johnnie Formation; Kingston Peak Formation; Marvel Dolomitic Limestone; Middle Park Formation; Mountain Girl Quartzite; Noonday Dolomite; Pahrump Group; Panamint Metamorphic Complex; Reed Dolomite; Sourdough Limestone; Stirling Quartzite; Wildrose Formation; World Beater Porphyry; Wyman Formation

Description: Conglomerate, shale, sandstone, limestone, dolomite, marble, gneiss, hornfels, and quartzite; may be Paleozoic in part

Comments: Death Valley region. Primarily sandstone, shale, dolomite, limestone, and conglomerate of Middle and Late Proterozoic age, but also includes some older Precambrian crystalline rocks. As mapped, includes some rocks of probable Mesozoic age 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:{conglomerate,mudstone,sandstone}, Minor:{dolostone,gneiss,marble,limestone,hornfels, quartzite}, Incidental:{siltstone, metavolcanic, amphibolite, chert, granitic}

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]

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cloudman, H.C., F.J.H. Merrill & E. Huguenin (1919), San Bernardino County: California Mining Bureau. Report 15: 774-899; […(abstract): Geol. Zentralbl., Band 27: 394]: 864.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 911.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 240.

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