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Ludlow (Stagg), San Bernardino Co., California, USAi
Regional Level Types
Ludlow (Stagg)- not defined -
San Bernardino Co.County
CaliforniaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
34° 43' North , 116° 10' West
Latitude & Longitude (decimal):
Köppen climate type:


Ludlow/Amboy is situated in the eastern Mojave Desert of southern California. The area is characterized most recently by expansive flows of late Cenozoic basanites (feldspathoid-bearing basalt) and several pyroclastic cones. Dish Hill, one of the pyroclastic cones, is known locally as a source for Olivine (var. Forsterite), Iddingsite and Kaersutite.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

13 valid minerals.

Detailed Mineral List:

Arseniosiderite
Formula: Ca2Fe3+3(AsO4)3O2 · 3H2O
Reference: Wells, R.C. (1937), Analyses of rocks and minerals: USGS Bulletin 878: 117; Hewett, Donnel Foster (1964), Veins of hypogene manganese oxide minerals in the southwestern United States: Economic Geology: 59: 1450; Pemberton, H. Earl (1983), Minerals of California: 318.
Baryte
Formula: BaSO4
Description: Occurs as a series of parallel veins in basalt.
Reference: Bradley, W.W. (1930), Barite in California: California Journal of Mines and Geology, (Report26): 26(1): 54; Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): 133; Durrell, C. (1954), Barite deposits near Barstow, San Bernardino County, California: CA Div. Mines Spec. Rept. 39; Brobst, D.A. (1958), Barite Resources of the United States, USGS Bull. 1072-B: 108 (Table 10).
Brochantite
Formula: Cu4(SO4)(OH)6
Description: Occurs as coatings on breccia.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 114.
Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Celestine
Formula: SrSO4
Description: Occurs as extensive beds of massive celestine 10 to 20 feet (3 to 6 meters) thick.
Reference: Mallery, Willard (1916), A discovery of celestite Lavic Station, San Bernardino County, California): Mining and Scientific Press: 113: 952; Tucker, W. Burling (1921), Los Angeles field division: California Mining Bureau. Report 17: 367; Moore, Bernard Nettleton (1935), Some strontium deposits of southeastern California and western Arizona: A.I.M.E. Tech. Pub. 599, 24 pp.: 357; Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 37; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 123.
Chalcocite
Formula: Cu2S
Reference: Cloudman, H.C., F.J.H. Merrill & E. Huguenin (1919), San Bernardino County: California Mining Bureau. Report 15: 790; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 130.
'Fayalite-Forsterite Series'
Fluoborite
Formula: Mg3(BO3)(F,OH)3
Reference: No reference listed
Gypsum
Formula: CaSO4 · 2H2O
Reference: Rock Currier
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Iddingsite' ?
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Habit: Orthorhombic
Colour: brown
Kaersutite
Formula: {Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
'Psilomelane'
Formula: Mn, O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Reference: Cloudman, H.C., F.J.H. Merrill & E. Huguenin (1919), San Bernardino County: California Mining Bureau. Report 15: 790; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 130.
Pyrolusite
Formula: Mn4+O2
Reference: Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 197; Pemberton, H. Earl (1983), Minerals of California: 166.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz var: Jasper
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 6 - Borates
Fluoborite6.AB.50Mg3(BO3)(F,OH)3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Arseniosiderite8.DH.30Ca2Fe3+3(AsO4)3O2 · 3H2O
Group 9 - Silicates
Kaersutite9.DE.15{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Iddingsite' ?-MgO · Fe2O3 · 3SiO2·4H2O
'Psilomelane'-Mn, O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Monoborates
Fluoborite25.1.2.1Mg3(BO3)(F,OH)3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)3Zq·xH2O
Arseniosiderite42.8.4.3Ca2Fe3+3(AsO4)3O2 · 3H2O
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Kaersutite66.1.3a.18{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-
'Iddingsite' ?-MgO · Fe2O3 · 3SiO2·4H2O
'Psilomelane'-Mn, O
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H FluoboriteMg3(BO3)(F,OH)3
H ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
H GypsumCaSO4 · 2H2O
H BrochantiteCu4(SO4)(OH)6
H IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
BBoron
B FluoboriteMg3(BO3)(F,OH)3
CCarbon
C CalciteCaCO3
OOxygen
O FluoboriteMg3(BO3)(F,OH)3
O Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
O BaryteBaSO4
O PsilomelaneMn, O
O CalciteCaCO3
O HematiteFe2O3
O PyrolusiteMn4+O2
O CelestineSrSO4
O ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
O GypsumCaSO4 · 2H2O
O BrochantiteCu4(SO4)(OH)6
O QuartzSiO2
O IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
FFluorine
F FluoboriteMg3(BO3)(F,OH)3
NaSodium
Na Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
MgMagnesium
Mg FluoboriteMg3(BO3)(F,OH)3
Mg Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
Mg IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
AlAluminium
Al Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
SiSilicon
Si Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
Si QuartzSiO2
Si IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
SSulfur
S BaryteBaSO4
S CelestineSrSO4
S ChalcociteCu2S
S PyriteFeS2
S GypsumCaSO4 · 2H2O
S BrochantiteCu4(SO4)(OH)6
CaCalcium
Ca Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
Ca CalciteCaCO3
Ca ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Ca GypsumCaSO4 · 2H2O
TiTitanium
Ti Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2
MnManganese
Mn PsilomelaneMn, O
Mn PyrolusiteMn4+O2
FeIron
Fe HematiteFe2O3
Fe PyriteFeS2
Fe ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
Fe IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
CuCopper
Cu ChalcociteCu2S
Cu BrochantiteCu4(SO4)(OH)6
AsArsenic
As ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
SrStrontium
Sr CelestineSrSO4
BaBarium
Ba BaryteBaSO4

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

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]

Miocene
5.333 - 23.03 Ma



ID: 3192992
Cenozoic volcanic rocks

Age: Miocene (5.333 - 23.03 Ma)

Lithology: Volcanic 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]

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)
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 114.
Durham, David L. (1998), California’s Geographic Names. 31-Dec-1998. Clovis, CA : Word Dancer Press (alternate name).

Localities in this Region
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