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San Joaquin Co., California, USAi
Regional Level Types
San Joaquin Co.County
CaliforniaState
USACountry

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PhotosMapsSearch
01280580014956113165331.jpg
Hematite

Tracy, San Joaquin Co., California, USA
01280580014956113165331.jpg
Hematite

Tracy, San Joaquin Co., California, USA
01280580014956113165331.jpg
Hematite

Tracy, San Joaquin Co., California, USA
Neighbouring regions:
Stanislaus Co., California, USA
Amador Co., California, USA
Calaveras Co., California, USA
Alameda Co., California, USA
Contra Costa Co., California, USA
Sacramento Co., California, USA
Santa Clara Co., California, USA
Locality type:
County
Largest Settlements:
PlacePopulation
Stockton305,658 (2017)
Tracy87,075 (2017)
Manteca75,448 (2017)
Lodi64,596 (2017)
Lathrop20,866 (2017)
Ripon15,151 (2017)
Clubs in region:
Stockton Lapidary & Mineral Club (Stockton)
Other Languages:
View 33 more...
French:
ComtΓ© de San Joaquin, Californie, Γ‰tats-Unis
German:
San Joaquin County, Kalifornien, Vereinigte Staaten
Italian:
Contea di San Joaquin, California, Stati Uniti d'America
Russian:
Π‘Π°Π½-Π₯ΠΎΠ°ΠΊΠΈΠ½, ΠšΠ°Π»ΠΈΡ„ΠΎΡ€Π½ΠΈΡ, Π‘ΠΎΠ΅Π΄ΠΈΠ½Ρ‘Π½Π½Ρ‹Π΅ Π¨Ρ‚Π°Ρ‚Ρ‹ АмСрики
Simplified Chinese:
聖華金縣, 加利福尼亚州, ηΎŽε›½
Spanish:
Condado de San JoaquΓ­n, California, Estados Unidos
Albanian:
San Joaquin County, Kalifornia, Shtetet e Bashkuara tΓ« AmerikΓ«s
Arabic:
Ω…Ω‚Ψ§Ψ·ΨΉΨ© Ψ³Ψ§Ω† Ω‡ΩˆΨ§ΩƒΩˆΩŠΩ†, ΩƒΨ§Ω„ΩŠΩΩˆΨ±Ω†ΩŠΨ§, Ψ§Ω„ΩˆΩ„Ψ§ΩŠΨ§Ψͺ Ψ§Ω„Ω…ΨͺΨ­Ψ―Ψ©
Armenian:
ՍՑբ Τ½ΥΈΥ‘Υ―Υ«ΥΆ Υ·Φ€Υ»Υ‘ΥΆ, ΤΏΥ‘Υ¬Υ«Φ†ΥΈΥΌΥΆΥ«Υ‘, Τ±Υ΄Υ₯Φ€Υ«Υ―Υ‘Υ΅Υ« ՄիՑցաՑլ Υ†Υ‘Υ°Υ‘ΥΆΥ£ΥΆΥ₯Φ€
Basque:
San Joaquin konderria, Kalifornia
Bavarian:
San Joaquin County, Kalifornien, Vaoanigte Stootn
Bishnupriya Manipuri:
সান যোয়াকুয়িন ΰ¦•ΰ¦Ύΰ¦‰ΰ¦¨ΰ§ΰ¦Ÿΰ¦Ώ, ক্যালিফোর্নিয়া, ঀিলΰ¦ͺারাষ্ট্র
Bulgarian:
Π‘Π°Π½ Π£Π°ΠΊΠΈΠ½, ΠšΠ°Π»ΠΈΡ„ΠΎΡ€Π½ΠΈΡ, БъСдинСни амСрикански Ρ‰Π°Ρ‚ΠΈ
Cebuano:
San Joaquin County, California
Czech:
San Joaquin County, Kalifornie, SpojenΓ© stΓ‘ty americkΓ©
Danish:
San Joaquin County, Californien, USA
Dutch:
San Joaquin County, Verenigde Staten
Estonian:
San Joaquini maakond, California, Ameerika Ühendriigid
Farsi/Persian:
Ψ΄Ω‡Ψ±Ψ³ΨͺΨ§Ω† Ψ³Ω†β€ŒΩˆΨ§Ϊ©ΫŒΩ†ΨŒ Ϊ©Ψ§Ω„ΫŒΩΨ±Ω†ΫŒΨ§, Ϊ©Ψ§Ω„ΫŒΩΨ±Ω†ΫŒΨ§, Ψ§ΫŒΨ§Ω„Ψ§Ψͺ Ω…ΨͺΨ­Ψ―Ω‡ Ψ’Ω…Ψ±ΫŒΪ©Ψ§
Hungarian:
San Joaquin megye, Kalifornia, Amerikai Egyesült Államok
Irish Gaelic:
Contae San Joaquin, California, StΓ‘it Aontaithe MheiriceΓ‘
Japanese:
ァンホをキン郑, γ‚«γƒͺγƒ•γ‚©γƒ«γƒ‹γ‚’ε·ž, をパγƒͺγ‚«εˆθ‘†ε›½
Kapampangan:
San Joaquin County, California, Estados Unidos
Latin:
San Joaquin Comitatus, California, Civitates Foederatae Americae
Limburgian:
San Joaquin County, CaliforniΓ«, Vereinegde Staote vaan Amerika
Low Saxon/Low German:
San Joaquin County, Kalifornien, USA
Norwegian:
San Joaquin County, California, USA
Polish:
Hrabstwo San Joaquin, Kalifornia, Stany Zjednoczone
Portuguese:
Condado de San Joaquin, CalifΓ³rnia, Estados Unidos
Serbian:
ΠžΠΊΡ€ΡƒΠ³ Π‘Π°Π½ Π₯ΠΎΠ°ΠΊΠΈΠ½, ΠšΠ°Π»ΠΈΡ„ΠΎΡ€Π½ΠΈΡ˜Π°, БјСдињСнС АмСричкС Π”Ρ€ΠΆΠ°Π²Π΅
Serbo-Croatian:
San Joaquin County, Kalifornija, Sjedinjene Američke Države
Swedish:
San Joaquin County, Kalifornien, USA
Tagalog:
San Joaquin County, California, Estados Unidos
Turkish:
San Joaquin County, Kaliforniya, Amerika Birleşik Devletleri
Ukrainian:
Π‘Π°Π½-Π₯ΠΎΠ°ΠΊΡ–Π½, ΠšΠ°Π»Ρ–Ρ„ΠΎΡ€Π½Ρ–Ρ, Π‘ΠΏΠΎΠ»ΡƒΡ‡Π΅Π½Ρ– Π¨Ρ‚Π°Ρ‚ΠΈ АмСрики
Urdu:
Ψ³Ψ§Ω† Ψ¬ΩˆΪ©Ω† Ϊ©Ψ§Ψ€Ω†ΩΉΫŒΨŒ Ϊ©ΫŒΩ„ΫŒΩΩˆΨ±Ω†ΫŒΨ§, Ϊ©ΫŒΩ„ΫŒΩΩˆΨ±Ω†ΫŒΨ§, ریاسΨͺہائے Ω…Ψͺحدہ Ψ§Ω…Ψ±ΫŒΪ©Ψ§
Vietnamese:
QuαΊ­n San Joaquin, California, Chủng Quα»‘c Hoa Kα»³
Waray:
Condado han San Joaquin, California, Estados Unidos
Western Punjabi:
Ψ³Ψ§Ω† Ψ¬ΩˆΨ§Ϊ©ΩˆΩ† Ϊ©Ψ§Ψ€Ω†ΩΉΫŒ, Ϊ©ΫŒΩ„ΫŒΩΩˆΨ±Ω†ΫŒΨ§, Ψ§Ω…Ψ±ΫŒΪ©Ϋ


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz 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

19 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Bementite
Formula: Mn7Si6O15(OH)8
Description: Occurs as granulated masses as a constituent of ore.
Reference: Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 217, 221-224; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 101; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 413.
β“˜ 'Clays'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10262241.
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10310596.
β“˜ Gold
Formula: Au
Localities: Reported from at least 16 localities in this region.
Description: Placer material.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10182896.
β“˜ Gypsum
Formula: CaSO4 · 2H2O
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10116338.
β“˜ Hausmannite
Formula: Mn2+Mn3+2O4
Reference: Bradley, W.W. (1943), Thirty-ninth report of the State Mineralogist: California Division Mines Report 39: 98; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geol. Bulletin 189: 101, 215; Pemberton, H. Earl (1983), Minerals of California: 167.
trans.png
Hematite

Tracy, San Joaquin Co., California, USA
β“˜ Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Ilmenite
Formula: Fe2+TiO3
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10310596.
β“˜ Inesite ?
Formula: Ca2(Mn,Fe)7Si10O28(OH)2 · 5H2O
Description: Common.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geol. Bulletin 189: 228.
β“˜ Iridium
Formula: (Ir,Os,Ru)
Reference: Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15, figure 1; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 43.
β“˜ Iridium var. Ruthenosmiridium
Formula: (Ir,Os,Ru)
Reference: Sjoberg, J. and Gomes, J.M. (1980) Platinum-group minerals in California alluvial deposits. US Bureau of Mines, Reno Research Center, unpublished manuscript: 15, figure 1; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 43.
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: USGS Bull 427
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10310596.
β“˜ 'Manganese Oxides'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033553.
β“˜ Manganite
Formula: Mn3+O(OH)
Reference: USGS Bull 427
β“˜ Platinum
Formula: Pt
Description: about 50% Pt.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 39.
β“˜ 'Psilomelane'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
β“˜ Pyrolusite
Formula: Mn4+O2
Reference: Watts, Wm. L. (1890), Merced, Sacramento, San Joaquin, San Mateo, Santa Clara, Santa Cruz, Solano, Stanislaus, Yolo Counties: California Mining Bureau. Report 10: 564; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 304.
β“˜ Quartz
Formula: SiO2
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033553.
β“˜ Quartz var. Jasper
Reference: USGS Bull 427
β“˜ Rhodochrosite
Formula: MnCO3
Reference: Trask, John Boardman (1855), (Extracts from) Geology of California, appendix in F.S. Marryat, Mountains and molehills: 383-393, New York and London, 1855: 86; Bradley, W.W., et al (1918), Manganese and chromium in California: California Mining Bureau. Bulletin 76: 65; Volin, M.E. & E.J. Matson (1949), Investigation of the Ladd manganese deposits San Joaquin County, California: US Bureau Mines Report of Investigation 4580: 5; Trask, Parker Davies (1950) Geologic description of the manganese deposits of California. California Division of Mines Bulletin 152, 378 pp.: 217, 221-224; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geol. Bulletin 189: 320; Pemberton, H. Earl (1983), Minerals of California: 214.
β“˜ Rhodonite
Formula: CaMn3Mn[Si5O15]
Habit: Massive
Description: Not plentiful.
Reference: Trask, Parker Davies (1950) Geologic description of the manganese deposits of California, California Division of Mines Bulletin 152, 378 pp.: 413; Pemberton, H. Earl (1983), Minerals of California: 413.
β“˜ Sperrylite
Formula: PtAs2
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 64.
β“˜ Sveite
Formula: KAl7(NO3)4(OH)16Cl2 · 8H2O
Reference: Graham, R.C., Ervin, J.O., Graham, W.M. (1988) Occurrence and properties of sveite in the northeastern San Joaquin Valley, California. Clays and Clay Minerals: 36(6) 580-583.
β“˜ Zircon
Formula: Zr(SiO4)
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10310596.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Gold1.AA.05Au
β“˜Iridium1.AF.10(Ir,Os,Ru)
β“˜var. Ruthenosmiridium1.AF.10(Ir,Os,Ru)
β“˜Platinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
β“˜Sperrylite2.EB.05aPtAs2
Group 4 - Oxides and Hydroxides
β“˜Hausmannite4.BB.10Mn2+Mn3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Manganite4.FD.15Mn3+O(OH)
β“˜Pyrolusite4.DB.05Mn4+O2
β“˜Quartz4.DA.05SiO2
β“˜var. Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Rhodochrosite5.AB.05MnCO3
β“˜Sveite5.ND.20KAl7(NO3)4(OH)16Cl2 Β· 8H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Bementite9.EE.05Mn7Si6O15(OH)8
β“˜Inesite ?9.DL.05Ca2(Mn,Fe)7Si10O28(OH)2 Β· 5H2O
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Rhodonite9.DK.05CaMn3Mn[Si5O15]
β“˜Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
β“˜'Clays'-
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Manganese Oxides'-
β“˜'Psilomelane'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ ManganiteMn3+O(OH)
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ BementiteMn7Si6O15(OH)8
Hβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
CCarbon
Cβ“˜ RhodochrositeMnCO3
NNitrogen
Nβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
OOxygen
Oβ“˜ ManganiteMn3+O(OH)
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ BementiteMn7Si6O15(OH)8
Oβ“˜ HematiteFe2O3
Oβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
Oβ“˜ HausmanniteMn2+Mn23+O4
Oβ“˜ RhodochrositeMnCO3
Oβ“˜ RhodoniteCaMn3Mn[Si5O15]
Oβ“˜ PyrolusiteMn4+O2
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ QuartzSiO2
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
AlAluminium
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
SiSilicon
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ BementiteMn7Si6O15(OH)8
Siβ“˜ RhodoniteCaMn3Mn[Si5O15]
Siβ“˜ Garnet GroupX3Z2(SiO4)3
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ QuartzSiO2
Siβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
SSulfur
Sβ“˜ GypsumCaSO4 · 2H2O
ClChlorine
Clβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
KPotassium
Kβ“˜ SveiteKAl7(NO3)4(OH)16Cl2 · 8H2O
CaCalcium
Caβ“˜ RhodoniteCaMn3Mn[Si5O15]
Caβ“˜ GypsumCaSO4 · 2H2O
Caβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
TiTitanium
Tiβ“˜ IlmeniteFe2+TiO3
MnManganese
Mnβ“˜ ManganiteMn3+O(OH)
Mnβ“˜ BementiteMn7Si6O15(OH)8
Mnβ“˜ HausmanniteMn2+Mn23+O4
Mnβ“˜ RhodochrositeMnCO3
Mnβ“˜ RhodoniteCaMn3Mn[Si5O15]
Mnβ“˜ PyrolusiteMn4+O2
Mnβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
FeIron
Feβ“˜ HematiteFe2O3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
AsArsenic
Asβ“˜ SperrylitePtAs2
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
RuRuthenium
Ruβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Ruβ“˜ Iridium(Ir,Os,Ru)
OsOsmium
Osβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Osβ“˜ Iridium(Ir,Os,Ru)
IrIridium
Irβ“˜ Iridium var. Ruthenosmiridium(Ir,Os,Ru)
Irβ“˜ Iridium(Ir,Os,Ru)
PtPlatinum
Ptβ“˜ PlatinumPt
Ptβ“˜ SperrylitePtAs2
AuGold
Auβ“˜ GoldAu

Fossils

There are 7 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences21
Youngest Fossil Listed0.01 Ma (Pleistocene)
Oldest Fossil Listed191 Ma (Early Jurassic)
Stratigraphic Units
UnitNo. OccurrencesAge
Tulare41.8 - 0.012 Ma (Pleistocene)
Neroly113.6 - 5.333 Ma (Miocene)
Asuncion - Moreno - Mustang Shale472.1 - 66 Ma (Late/Upper Cretaceous)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Axonoceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Axonoceras72.1 - 66 Ma
Late/Upper Cretaceous
Baculites
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites70.6 - 66 Ma
Late/Upper Cretaceous
Gaudryceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Gaudryceratidae : Gaudryceras72.1 - 66 Ma
Late/Upper Cretaceous
Nostoceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Nostoceras70.6 - 66 Ma
Late/Upper Cretaceous
Solenoceras
genus		Animalia : Mollusca : Cephalopoda : Ammonoidea : Diplomoceratidae : Solenoceras72.1 - 66 Ma
Late/Upper Cretaceous
Acipenser
genus		Animalia : Chordata : Actinopteri : Acipenseriformes : Acipenseridae : Acipenser1.8 - 0.012 Ma
Pleistocene
Ichthyosaurus
genus		Animalia : Chordata : Reptilia : Ichthyosauridae : Ichthyosaurus190.8 - 93.9 Ma
Mesozoic
Cyprinidae
family		Animalia : Chordata : Actinopterygii : Cypriniformes : Cyprinidae1.8 - 0.012 Ma
Pleistocene
Equinae
subfamily		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equinae23.03 - 5.333 Ma
Miocene
Hipparionini
tribe		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparionini23.03 - 5.333 Ma
Miocene
Centrarchidae
family		Animalia : Chordata : Actinopteri : Centrarchiformes : Centrarchidae1.8 - 0.012 Ma
Pleistocene
Orthodon
genus		Animalia : Chordata : Actinopterygii : Cypriniformes : Cyprinidae : Orthodon1.8 - 0.012 Ma
Pleistocene
Pachydiscus (Neodesmoceras)
subgenus		Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Pachydiscus : Pachydiscus (Neodesmoceras)70.6 - 66 Ma
Late/Upper Cretaceous
Baculites anceps
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites anceps72.1 - 66 Ma
Late/Upper Cretaceous
Pachydiscus (Pachydiscus)
subgenus		Animalia : Mollusca : Cephalopoda : Ammonitida : Pachydiscidae : Pachydiscus : Pachydiscus (Pachydiscus)70.6 - 66 Ma
Late/Upper Cretaceous
Damesites hetonaiensis
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Damesites : Damesites hetonaiensis70.6 - 66 Ma
Late/Upper Cretaceous
Fossil LocalitiesClick to show 7 fossil localities

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Watts, Wm. L. (1890), Merced, Sacramento, San Joaquin, San Mateo, Santa Clara, Santa Cruz, Solano, Stanislaus, Yolo Counties: California Mining Bureau. (Report 10): 10: 324-331, 496-514, 548-566, 586-594, 604-605, 620-626, 659-671, 680-690, 773-793.
Watts, Wm. L. (1893), Alameda, Colusa, Del Norte, Fresno, Glenn, Humboldt, Marin, Mendocino, Merced, Placer, Sacramento, Santa Clara, San Joaquin, Sonoma, Stanislaus, Sutter, Kern, Lake, Contra Costa, Tehama, Tulare Counties California Mining Bureau. (Report 11): 11: 121-138, 179-199, 210-240, 249-258, 319-322, 334-336, 374-375, 394, 453-479, 485-492.
Lowell, F.L. (1916), Mines and mineral resources of the counties of Del Norte, Humboldt, Mendocino, Mariposa, Merced, San Joaquin, and Stanislaus: California Mining Bureau. Report 14: 371-425 569-604, 627-634.
Laizure, Clyde McK (1925), San Francisco field division: California Journal of Mines and Geology, California Mining Bureau (Report 21): 21(3): 173-222.
Volin, M.E. & E.J. Matson (1949), Investigation of the Ladd manganese deposits San Joaquin County, California: US Bureau Mines Report of Investigation 4580.
California Journal of Mines and Geology (1955) (Report 51): 51(1): circa 35-93.

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Wikipedia:https://en.wikipedia.org/wiki/San_Joaquin_County,_California
Wikidata ID:Q108499
GeoNames ID:5392126

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