SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Mud Hills (Strontium Hills), Barstow District, San Bernardino Co., California, USAi
Regional Level Types
Mud Hills (Strontium Hills)Group of Hills
Barstow DistrictMining District
San Bernardino Co.County
CaliforniaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Latitude & Longitude (WGS84): 35° 3' 33'' North , 117° 0' 26'' West
Latitude & Longitude (decimal): 35.05942,-117.00726
GeoHash:G#: 9qhz3qmgv
Locality type:Group of Hills
Köppen climate type:BWk : Cold desert climate
Nearest Settlements:
PlacePopulationDistance
Barstow23,692 (2017)17.9km
Barstow Heights24,202 (2006)21.5km
Lenwood3,543 (2011)22.1km
Fort Irwin8,845 (2011)37.0km
Silver Lakes5,623 (2017)46.3km


A range. A Sr-zeolite occurrence area located in secs. 20 & 30, T11N, W½ R1W & E½ R2W, SBM, 10 miles N of Barstow.

Mineralization is hosted in limestone, clay beds and tuffs.
Hills located N of Barstow.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

12 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49(1-2): 61-62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 108.
Analcime
Formula: Na(AlSi2O6) · H2O
Description: A common zeolite in tuffs of the Barstow Formation.
Reference: Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 370.
Anhydrite
Formula: CaSO4
Reference: Ralph E. Merrill collection
Celestine
Formula: SrSO4
Habit: Slender prismatic
Description: Occurs in glassy aggregates or prismatic crystals with strontianite.Glassy aggregates or crystals.
Reference: Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 257, 263; Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 23; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122, 354.; Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 263; Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 23; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122.
'Chabazite'
Description: Comprised almost entirely of altered tuff from the Barstow Formation (silica-rich chabazite). Occurs as a mosaic or aggregate of anhedral crystals averaging 20 microns in size.
Reference: Gude, A.J. and Sheppard, R.A. (1966) Silica-rich chabazite from the Barstow formation, San Bernardino County, Southern California. American Mineralogist: 51: 909-910; Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3, 12; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 381.
'Clinoptilolite'
Clinoptilolite-Na (TL)
Formula: Na6(Si30Al6)O72·20H2O
Type Locality:
Reference: The Canadian Mineralogist Vol. 35, pp. 1571-1606 (1997)
'Copper Stain'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10035620.
Cuprite
Formula: Cu2O
Reference: Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology: 49(1-2): 61-62; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 182.
'Erionite'
Description: Occurs in tuffs of the Barstow Formation.
Reference: Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3, 14-16; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 382.
'Feldspar Group'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10164937.
Gold
Formula: Au
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 257; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 354.
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Habit: Prismatic; acicular
Description: Occurs as crystals up to 0.4 mm with other zeolites in the tuffs of the Barstow Formation.
Reference: Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3, 14-15; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 374.
'Phillipsite'
Description: Occurs as spherulites up to 1 mm with erionite and other zeolites in tuffs of the Barstow Formation.
Reference: Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3, 14-16; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 382.
Quartz
Formula: SiO2
Quartz var: Chalcedony
Formula: SiO2
Description: Occurs as pseudomorphs after baryte.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 348.
'Silica'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10237842.
Strontianite
Formula: SrCO3
Habit: Fibrous; fan-shaped or spherical aggregates
Colour: Brown, gray
Description: Occurs as large deposits of brown fibrous material and gray granular material in limestone; also fan-shaped or spherical aggregates to 3 inches in size in clay beds.
Reference: Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 257, 263; Moore, Bernard Nettleton (1935), Some strontium deposits of southeastern California and western Arizona: A.I.M.E. Tech. Pub. 599, 24 pp.: 376; Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 23; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122, 354; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 217; 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: 199.; Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 263; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122.
Wattevilleite
Formula: Na2Ca(SO4)2 · 4H2O (?)
Reference: Helmut Braith specimen (analyzed by Franz Neuhold, Vienna)
'Zeolite Group'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10140785.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
Wattevilleite7.CC.85Na2Ca(SO4)2 · 4H2O (?)
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Clinoptilolite-Na (TL)9.GE.05Na6(Si30Al6)O72·20H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
'Zeolite Group'9.G0.
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Clinoptilolite'-
'Copper Stain'-
'Erionite'-
'Feldspar Group'-
'Phillipsite'-
'Silica'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Strontianite14.1.3.3SrCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2B(XO4)2·xH2O
Wattevilleite29.3.4.1Na2Ca(SO4)2 · 4H2O (?)
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified Minerals, Mixtures, etc.
'Chabazite'-
'Clinoptilolite'-
Clinoptilolite-Na (TL)-Na6(Si30Al6)O72·20H2O
'Copper Stain'-
'Erionite'-
'Feldspar Group'-
'Phillipsite'-
Quartz
var: Chalcedony
-SiO2
'Silica'-
'Zeolite Group'-

List of minerals for each chemical element

HHydrogen
H Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
H GypsumCaSO4 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
CCarbon
C StrontianiteSrCO3
OOxygen
O Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
O StrontianiteSrCO3
O QuartzSiO2
O CelestineSrSO4
O GypsumCaSO4 · 2H2O
O Quartz (var: Chalcedony)SiO2
O AnalcimeNa(AlSi2O6) · H2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O CupriteCu2O
O AnhydriteCaSO4
O WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
NaSodium
Na Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
AlAluminium
Al Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
SiSilicon
Si Clinoptilolite-NaNa6(Si30Al6)O72·20H2O
Si QuartzSiO2
Si Quartz (var: Chalcedony)SiO2
Si AnalcimeNa(AlSi2O6) · H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
SSulfur
S AcanthiteAg2S
S CelestineSrSO4
S GypsumCaSO4 · 2H2O
S AnhydriteCaSO4
S WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
KPotassium
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
CaCalcium
Ca GypsumCaSO4 · 2H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca AnhydriteCaSO4
Ca WattevilleiteNa2Ca(SO4)2 · 4H2O (?)
CuCopper
Cu CupriteCu2O
SrStrontium
Sr StrontianiteSrCO3
Sr CelestineSrSO4
AgSilver
Ag AcanthiteAg2S
AuGold
Au GoldAu

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]

Tertiary - Lopingian
2.588 - 259.1 Ma



ID: 2929746
Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges)

Age: Phanerozoic (2.588 - 259.1 Ma)

Stratigraphic Name: Atolia Quartz Monzonite; Coxcomb Granodiorite; Holcomb Quartz Monzonite; Lar Quartz Diorite; Liebre Quartz Monzonite; Mount Pinos Granite; Palms Granite; Sands Granite; Teutonia Quartz Monzonite; White Tank Quartz Monzonite; Vermont Quartz Diorite; Cadiz Valley Batholith; Barcroft Granodiorite; Bass Lake Tonalite; Big Baldy Granite; Boundary Peak Granite; Bridalveil Granite; Burnside Lake Adamellite; Cabin Granodiorite; Cactus Point Granite; Carson Pass Tonalite; Cathedral Peak Granite; Clover Creek Granodiorite; Cottonwood Adamellite; Cow Creek Granodiorite; Dinkey Creek Granodiorite; Ebbetts Pass Granodiorite; El Capitan Granite; Evolution Basin Alaskite; Giant Forest Granodiorite; Half Dome Quartz Monzonite; Hunter Mountain Quartz Monzonite; Inconsolable Granodiorite; Isabella Granodiorite; Johnson Granite Porphyry; Knowles Granodiorite; Lake Edison Granodiorite; Lamarck Granodiorite; Leaning Tower Quartz Monzonite; Lebec Quartz Monzonite; Leidy Adamellite; Lodgepole Granite; Lookout Peak Tonalite; McAfee Adamellite; Mitchell Peak Granodiorite; Mono Creek Granite; Mount Clark Granite; Mount Givens Granodiorite; Pear Lake Quartz Monzonite; Paradise Granodiorite; Pellesier Granite; Pohono Granodiorite; Potwisha Quartz Diorite; Round Valley Peak Granodiorite; Sacatar Quartz Diorite; Sage Hen Adamellite; Sentinel Granodiorite; Stanislaus Meadow Adamellite; Taft Granite; Tamarack Leuco-Adamellite; Tejon Lookout Granite; Tinemaha Granodiorite; Tungsten Hills Quartz Monzonite; Ward Mountain Trondhjemite; Weaver Lake Quartz Monzonite; Wheeler Crest Quartz Monzonite; Whitney Granodiorite. Hunter Mountain Batholith; Inyo Batholith; Sierra Nevada Batholith. Bald Rock Pluton; Bucks Lake Pluton; Bullfrog Pluton; Cartridge Pass Pluton; Cascade Pluton; Dragon Pluton; Grizzly Pluton; Independence Pluton; Merrimac Pluton; Paiute Monument Pluton; Papoose Flat Pluton; Pat Keyes Pluton; Sage Hen Flat Pluton; Santa Rita Flat Pluton; Swedes Flat Pluton; Tuolumne Intrusive Suite; John Muir Intrusive Suite; Shaver Intrusive Suite; Palisade Crest Intrusive Suite; Scheelite Intrusive Suite; Fine Gold Intrusive Suite; Soldier Pass Intrusive Suite; Mount Whitney Intrusive Suite

Description: Mesozoic granite, quartz monzonite, granodiorite, and quartz diorite

Comments: Sierra Nevada, Death Valley area, Transverse Ranges and Mojave Desert. Primarily granodiorite, tonalite, quartz monzonite, and granite ranging in age from Late Triassic to Late Cretaceous. Includes some rocks as old as Permian and possibly a few as young as Tertiary. Three main periods of emplacement (Triassic, Jurassic, and Cretaceous); wide variety of rock types 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:{granodiorite}, Minor:{granite,tonalite,quartz diorite,quartz monzonite}, Incidental:{diorite, quartz syenite, quartz monzodiorite, gabbro, trondhjemite, monzonite, monzodiorite, pegmatite, alaskite, aplite}

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)
Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 257-270; […(abstract): Washington Academy of Sciences Journal: 8: 94-95 (1918); …Geol Zentralbl., Band 28: 166 (1922)]: 257, 263.
Moore, Bernard Nettleton (1935), Some strontium deposits of southeastern California and western Arizona: A.I.M.E. Tech. Pub. 599, 24 pp.; […A.I.M.E. Transactions: 115: 356-377]: 376.
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: 199.
Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 23.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122, 354.
Sheppard, R.A. and Gude, A.J. (1969c) Diagenesis of tuffs in the Barstow formation, Mud Hills, San Bernardino County, California. USGS Professional Paper 634, 35 pp.: 2-3, 10-12, 12-14, 14-16.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 217, 348, 370, 374, 377, 382.
Knopf, Adolf (1918b), Strontianite deposits near Barstow, California USGS Bulletin 660: 257-270; […(abstract): Washington Academy of Sciences Journal: 8: 94-95 (1918); …Geol Zentralbl., Band 28: 166 (1922)]: 263.
Durrell, C. (1953), Geological investigations of strontium deposits in southern California: California Division Mines Special Report 32: 23.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 122.

Localities in this Region
Show map


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 23, 2019 11:29:29 Page generated: February 5, 2019 07:17:53
Go to top of page