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Napa Co., California, USA

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Location is approximate, based on center of defined region.
 
Latitude & Longitude (WGS84): 38° 49' 31'' North , 122° 20' 20'' West (est.)
Neighbouring regions:


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


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

Acanthite

Alunogen

Ammonioalunite

Aragonite

'Aragotite'

Arsenopyrite

'Asbestos'

Baryte

Botryogen

Buddingtonite

Calcite

Calomel

Chalcocite

Chlorargyrite

'Chlorite Group'

Chromite

Chrysotile

Cinnabar

'Clays'

Copiapite

var: Knoxvillite

Copper

Coquimbite

Covellite

Crednerite

Cristobalite

Cuprite

'Deweylite'

Dolomite

'Electrum'

Epsomite

Erythrite

'Fayalite-Forsterite Series'

Fibroferrite

Galena

'Garnet'

Gold

Gypsum

Hematite

Hohmannite

Hydromagnesite

Idrialite

Jamesonite

Kalinite

Kaolinite

'K Feldspar'

'var: Adularia'

Kornelite

'Limonite'

Magnesiochromite

Magnesiocopiapite

Magnesite

'Manganese Oxides'

Marcasite

Melanophlogite

Melanterite

Mendozite

Mercury

Metacinnabar (TL)

Miargyrite

Millerite

Mirabilite

Montmorillonite

Montroydite

Morenosite

Muscovite

var: Sericite

'Napalite'

'Olivine'

Opal

var: Lemon Opal

var: Opaline

var: Prase Opal

var: Precious Opal

'Petrified Wood'

Prehnite

Proustite

'Psilomelane'

'Pumpellyite'

Pyrargyrite

Pyrite

Pyrolusite

Quartz

var: Chalcedony

var: Jasper

var: Myrickite

var: Prase

Redingtonite (TL)

Rhodochrosite

Römerite

Rozenite

Saponite

Senarmontite

'Serpentine Subgroup'

Siderite

Silver

Skutterudite

Stibnite

Sulphur

Tiemannite

Voltaite

Wollastonite


74 valid minerals. 2 (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

Localities in this Region

USA
USA

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.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Palmer, Lyman, L. (1881), History of Napa and Lake Counties, 291 pp., San Francisco, Slocum, Bowen and Co.
Goodyear, Watson Andrews (1890), Alameda, Colusa, Contra Costa, Lake, Marin, Mendocino, Napa, Yolo Counties: California Mining Bureau. Report 10: 91-95, 153-164, 165, 227-271, 299, 314, 322, 349-363, 793-794.
Fairbanks, Harold W. (1893a), Notes on the geology and mineralogy of portions of Tehama, Colusa, Lake, and Napa Counties: California Mining Bureau. Report 11: 54-75.
Bradley, W.W. (1916a), Colusa, Glenn, Lake, Marin, Napa, Solano, Sonoma, Yolo County: California Mining Bureau. Report 14: 175-370.
Boalich, E. S. (1921), Mendocino, Monterey, Mono, Napa, Solano, Stanislaus Counties: California Mining Bureau. Report 17: 144-161, 242-247, 253-255.
Averill, Charles V. (1929), Redding field division, Lassen and Modoc, Napa, Lake, Glenn, Mendocino Counties: California Journal of Mines and Geology, California Division Mines (Report 25): 25: 2-19, 213-242, 337-365, 418-426, 456-467.
Averitt, Paul (1945), Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California Journal of Mines & Geology, California Division Mines (Report 42): 42: 65-90.
Dow, D.H. & T.P. Thayer (1946), Chromite deposits of the northern Coast Ranges of California: California Division Mines Bulletin 134, part 2, chapter 1.
Yates, Robert G. & Lowell S. Hilpert (1946), Quicksilver deposits of eastern Mayacmas district, Lake and Napa Counties, California: California Journal of Mines and Geology, California Division of Mines (Report 42): 42: 231-286.
Davis, Fenelon Francis (1948), Mines and mineral resources of Napa County, California: California Division Mines Report 44: 159-188.
Fix, A.A. & C.M. Swinney (1949), Quicksilver deposits of the Oakville district, Napa County, California: California Journal of Mines and Geology: 45: 31-46.
Weaver, C.E. (1949), Geology and Mineral Deposits of an Area North of San Francisco Bay, California: California Division of Mines Bulletin 149.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282.
Clark, 1993 - "Hey's Mineral Index, 3rd. edition."
Hasenmueller, E. A., & Bish, D. L. (2005). The hydration and dehydration of hydrous ferric iron sulfates. In 36th Annual Lunar and Planetary Science Conference (Vol. 36, March).

Mineral and/or Locality  
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