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Pure Quill Mine (Pure Quill deposit; Gold Bar Tungsten; Quill Mine), West Ord Mountain, Ord Mountains, Ord Mining District, San Bernardino Co., California, USAi
Regional Level Types
Pure Quill Mine (Pure Quill deposit; Gold Bar Tungsten; Quill Mine)Mine
West Ord MountainMountain
Ord MountainsMountain Range
Ord Mining DistrictMining District
San Bernardino Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
34° 38' 46'' North , 116° 53' 25'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Lucerne Valley5,811 (2011)23.6km
Barstow Heights24,202 (2006)29.1km
Barstow23,692 (2017)30.5km
Apple Valley72,174 (2017)31.5km
Lenwood3,543 (2011)32.2km


A W occurrence located in sec. 4, T6N, R1E, SBM, 1.5 km (0.9 mile) E of West Ord Mountain (coordinates of record). MRDS database stated accuracy for this location is 10 meters.

NOTE: The geographic coordinates presented in this file are adjusted to the exact location of this mine on the topo map versus the USGS MRDS database file coordinates.

Mineralization is hosted in amphibolite, mica schist, granite and quartzite. The ore body is irregular in form, strikes NW and dips steeply SW, at a width of 6.1 meters and a length of 304.8 meters. The complex is chiefly quartzite, mica schist and foliated granitic rocks, cut by acidic and basic dikes. Scheelite is discontinuously disseminated in an amphibolite layer within a crystalline rock complex. The amphibolite layer is composed essentially of dark green amphibole with subordinate phgoclase (sic), and is from 5 to 20 feet wide. Local rocks include Precambrian rocks, undivided, unit 2 (Mojave Desert and Transverse Ranges).

Workings include surface and underground openings. The site was first explored by several small cuts. Later, a tunnel was driven SW for 200 feet, encountering the tungsten-bearing zone at 170 feet. The zone was followed by drifts 138 feet NW and 87 feet SE.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Scheelite
Formula: Ca(WO4)
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 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)

List of minerals arranged by Dana 8th Edition classification

Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)

List of minerals for each chemical element

OOxygen
O ScheeliteCa(WO4)
CaCalcium
Ca ScheeliteCa(WO4)
WTungsten
W ScheeliteCa(WO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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): 150-151.
Lemmon, Dwight Moulton and Tweto, O.L. (1962) Tungsten in the United States, exclusive of Alaska and Hawaii. USGS Mineral Investigative Resources Map MR-25.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10008642 & 10141175.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060710375.

Other Databases

USGS MRDS Record:10008642

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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