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Quartzsite deposit (Bayles deposit; Dumortierite deposit), Middle Camp-Oro Fino District, Dome Rock Mts, La Paz Co., Arizona, USAi
Regional Level Types
Quartzsite deposit (Bayles deposit; Dumortierite deposit)Deposit
Middle Camp-Oro Fino DistrictMining District
Dome Rock MtsMountain Range
La Paz Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
34° 37' 0'' North , 114° 13' 59'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Desert Hills2,245 (2011)14.5km
Crystal Beach279 (2017)15.4km
Lake Havasu City53,553 (2017)16.9km
Golden Shores2,047 (2017)28.9km
Yucca126 (2011)29.4km


An occurrence located in sec. 5, T3N, R19W, about 3 miles SE of Quartzsite, 15 miles E of Colorado River. The deposit outcrops on the N side of a narrow re-entrant in the low, southeastern portion of an isolated group of hills that stands prominently above the plain near the eastern margin of the Dome Rock Mountains.

Mineralization is divergent, parallel or curved orebody masses. Three isomeric aluminum silicates (andalusite, kyanite and sillimanite) are associated with the dumortierite and show alteration to pyrophyllite instead of to muscovite.

The outcrop trends E-W and is divided into 2 segments approximately 450 feet apart by outwash gravels that also conceal its E and W limits. The western segment is about 200 feet long and 35 feet wide. The eastern segment is 300 feet long and 50 feet wide.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Andalusite
Formula: Al2(SiO4)O
Habit: Prismatic
Description: Crystals in schist.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110; Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381; Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur. Mines Bull. 134; Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 98.
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Description: Occurs as micro-crystals in schist and rich masses in quartzite.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110, 210; Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381; Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur. Mines Bull. 134; Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 98, 102.
Hematite
Formula: Fe2O3
Reference: MRDS file #10060207.
Kyanite
Formula: Al2(SiO4)O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110; Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381; Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur. Mines Bull. 134; Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 98, 102.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: MRDS file #10060207.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: MRDS file #10060207.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MRDS file #10060207.
Pyrite
Formula: FeS2
Reference: MRDS file #10060207.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: MRDS file #10060207.
Quartz
Formula: SiO2
Reference: MRDS file #10060207.
Rutile
Formula: TiO2
Reference: MRDS file #10060207.
Sillimanite
Formula: Al2(SiO4)O
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110; Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381; Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur. Mines Bull. 134; Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Kyanite9.AF.15Al2(SiO4)O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Sillimanite9.AF.05Al2(SiO4)O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H PyrophylliteAl2Si4O10(OH)2
H Limonite(Fe,O,OH,H2O)
H MuscoviteKAl2(AlSi3O10)(OH)2
BBoron
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
OOxygen
O AndalusiteAl2(SiO4)O
O KyaniteAl2(SiO4)O
O SillimaniteAl2(SiO4)O
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O PyrophylliteAl2Si4O10(OH)2
O RutileTiO2
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O QuartzSiO2
O Limonite(Fe,O,OH,H2O)
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al AndalusiteAl2(SiO4)O
Al KyaniteAl2(SiO4)O
Al SillimaniteAl2(SiO4)O
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al PyrophylliteAl2Si4O10(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si AndalusiteAl2(SiO4)O
Si KyaniteAl2(SiO4)O
Si SillimaniteAl2(SiO4)O
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S PyriteFeS2
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
TiTitanium
Ti RutileTiO2
FeIron
Fe PyriteFeS2
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe Limonite(Fe,O,OH,H2O)

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

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]

Middle Pleistocene - Piacenzian
0.126 - 3.6 Ma



ID: 2776933
Early Pleistocene to latest Pliocene surficial deposits

Age: Cenozoic (0.126 - 3.6 Ma)

Description: Coarse relict alluvial fan deposits that form rounded ridges or flat, isolated surfaces that are moderately to deeply incised by streams. These deposits are generally topographically high and have undergone substantial erosion. Deposits are moderately to strongly consolidated, and commonly contain coarser grained sediment than younger deposits in the same area. (0.75-3 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{gravel,sand}

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 Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, Arizona, American Mineralogist: 14: 373-381.
Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma County, Arizona, Arizona Bureau of Mines Bull. 134.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 98, 102.
Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ.
Phillips, K.A. (1987), Arizona Industrial Minerals Arizona Department of Mines and Mineral Resources Mineral Rpt. 4.
Peirce, H.W. (1990), Arizona Geological Survey Industrial Minerals card file.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 110, 210.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS), U.S. Bureau of Mines, file ID #0040120192.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, deposit ID #10060207 & 10259544.

USGS MRDS Record:10060207
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