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White Dollar Mine (May Day Mine; Mayday Tungsten Mine), Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino County, California, USAi
Regional Level Types
White Dollar Mine (May Day Mine; Mayday Tungsten Mine)Mine
Ord MountainMountain
Ord MountainsMountain Range
Ord Mining DistrictMining District
San Bernardino CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
34° 43' North , 116° 48' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Barstow23,692 (2017)28.7km
Barstow Heights24,202 (2006)28.9km
Lenwood3,543 (2011)32.9km
Lucerne Valley5,811 (2011)34.0km
Apple Valley72,174 (2017)42.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mojave Desert Gem & Mineral SocietyBarstow, California29km
Victor Valley Gem and Mineral ClubVictorville, California49km
Mindat Locality ID:
91049
Long-form identifier:
mindat:1:2:91049:0
GUID (UUID V4):
0f5cc0e7-fd19-4b95-8053-3df317ed1ee6


A former W occurrence/mine located in the E½SE¼ sec. 7, T7N, R2E, SBM, about 4.4 km N of Ord Mountain (coordinates of record)(11 air miles southward from Daggett), on private land. Discovered in 1951. First production was 1952. MRDS database accuracy for this location is not stated. Tucker (1943) erroneously listed the location of this mine in T7N, R3E. It is correctly identified in the other references as T7N, R2E. This operation mined scheelite during a brief period in the 1950's.

Mineralization is hosted in hornfels and metavolcanics. The ore body is irregular in form, strikes N10-20W and dips 68SW at a width of 2.44 meters. Controls for ore emplacement included a shear zone. There are some E-trending rhyolite dikes. 2 lime-magnesium silicate dikes about 180 feet apart traverse the country N20W. Associated rocks include diorite. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).

Workings include underground openings comprised of 500 feet of workings explored by open cuts and a shallow shaft inclined 50 degrees SW. 200 feet W of the shaft is an open cut ending in a vertical underhand stope that is 6 feet wide, 20 feet long and 30 feet deep.

A few hundred tons of ore were mined. Some ore was reported to have assayed 1.4% WO3, with an average grade of less than 1% WO3. No production figures are available.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Limonite'-
'Garnet Group'-X3Z2(SiO4)3
'Manganese Oxides'-

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CCarbon
C CalciteCaCO3
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AlbiteNa(AlSi3O8)
O CalciteCaCO3
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O ScheeliteCa(WO4)
O Garnet GroupX3Z2(SiO4)3
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AlbiteNa(AlSi3O8)
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Garnet GroupX3Z2(SiO4)3
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca ScheeliteCa(WO4)
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
WTungsten
W ScheeliteCa(WO4)

Other Databases

Link to USGS MRDS:10008641

Other Regions, Features and Areas containing this locality


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

 
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