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Afton Canyon, Afton, Cady Mts, San Bernardino Co., California, USA

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Latitude & Longitude (WGS84): 35° 2' 37'' North , 116° 17' 6'' West
Latitude & Longitude (decimal): 35.04361,-116.28500
GeoHash:G#: 9qjr3g7zg
Locality type:Canyon
Köppen climate type:BWh : Hot deserts climate


Afton Canyon is a popular hiking spot. The primitive four-wheel drive Mojave Road follows the Mojave River that rarely flows on its surface gravel, except during and immediately after rains. Because of the danger of flash flooding, the Canyon should be avoided when it is raining.
secs. 12, 13, 14, 20, 21, 22, T. 11 N., R. 6

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

9 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Fluorite
Formula: CaF2
Goethite
Formula: α-Fe3+O(OH)
Hematite
Formula: Fe2O3
Hollandite
Formula: Ba(Mn4+6Mn3+2)O16
Reference: http://minerals.gps.caltech.edu/FILES/DENDRITE/Index.htm
Magnesite
Formula: MgCO3
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Opal
Formula: SiO2 · nH2O
'Opalite'
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
'Petrified Wood'
Reference: Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p.
Quartz
Formula: SiO2
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
Quartz var: Agate
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
Quartz var: Agate-Jasper
Formula: SiO2
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
Quartz var: Chalcedony
Formula: SiO2
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
Quartz var: Jasper
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon
Quartz var: Plume Agate
Formula: SiO2
Reference: Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Hollandite4.DK.05aBa(Mn4+6Mn3+2)O16
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Agate-Jasper4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Jasper4.DA.05SiO2
var: Plume Agate4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Unclassified Minerals, Rocks, etc.
Opalite-
Petrified Wood-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB8X16
Hollandite7.9.1.1Ba(Mn4+6Mn3+2)O16
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
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
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Rocks, etc.
'Opalite'-
'Petrified Wood'-
Quartz
var: Agate
-SiO2
var: Agate-Jasper-SiO2
var: Chalcedony-SiO2
var: Jasper-SiO2
var: Plume Agate-SiO2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H OpalSiO2 · nH2O
CCarbon
C CalciteCaCO3
C MagnesiteMgCO3
OOxygen
O Quartz (var: Agate-Jasper)SiO2
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O HollanditeBa(Mn64+Mn23+)O16
O MagnesiteMgCO3
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O OpalSiO2 · nH2O
O Quartz (var: Plume Agate)SiO2
O QuartzSiO2
FFluorine
F FluoriteCaF2
NaSodium
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg MagnesiteMgCO3
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
SiSilicon
Si Quartz (var: Agate-Jasper)SiO2
Si Quartz (var: Chalcedony)SiO2
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si OpalSiO2 · nH2O
Si Quartz (var: Plume Agate)SiO2
Si QuartzSiO2
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mn HollanditeBa(Mn64+Mn23+)O16
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
BaBarium
Ba HollanditeBa(Mn64+Mn23+)O16

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]

Holocene - Pliocene
0 - 5.333 Ma



ID: 2885167
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.

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]

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)
Chapman, E. W. (1937), Barstow desert localities described: Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, California, Pb Pipe Spr, Black Canyon, The Mineralogist: 5(1): 9-10, 111-114.
Beste, Robert C. (2005), A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149 pp.

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