The Frenchman and Eyraud Claims is a tungsten mine located in Humboldt county, Nevada at an elevation of 6,250 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,250 Feet (1,905 Meters)
Commodity: Tungsten
Lat, Long: 41.16222, -117.27111
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Frenchman and Eyraud Claims MRDS details
Site Name
Primary: Frenchman and Eyraud Claims
Secondary: Osgood Creek Prospects
Secondary: Osgood Claims
Commodity
Primary: Tungsten
Tertiary: REE
Tertiary: Zirconium
Tertiary: Magnesite
Tertiary: Iron
Tertiary: Calcium
Tertiary: Manganese
Tertiary: Barium-Barite
Tertiary: Vanadium
Tertiary: Zinc
Tertiary: Molybdenum
Tertiary: Nickel
Tertiary: Tin
Tertiary: Boron-Borates
Location
State: Nevada
County: Humboldt
District: Potosi District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Cordex (Part) And Frm Corp (Part),
Years: 1984 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1946
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains
Mineral Deposit Model
Model Name: W skarn
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Nw-Trending Fault
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: SAMPLE 2610 OF GARNET SKARN WITH FINE-GRAINED SUBHEDRAL TO ANHEDRAL GARNET, CLOTS OF CINNAMON-RED LIMONITE AND SUB-HEDRAL QUARTZ, CONTAINS 15 % FE, 0.5 % MG, 15 % CA, 0.1 % TI, -+5000 PPM MN, 3 PPM AG, 30 PPM B, 1000 PPM BA, 30 PPM CO, 100 -PPM CU, 150 PPM MO, 100 PPM NI, 50 PPM SN, 700 PPM V, 200 PPM -W, 20 PPM Y, 300 PPM ZN, 15 PPM ZR.
Materials
Ore: Scheelite
Comments
Comment (Location): W 1/2 OF SW 1/4 OF SEC. 17; N 1/2 OF NW 1/4 OF SEC 20. PROPERTY COVERS MOST OF THE CONTACT ZONE BETWEEN THE VALLEY VIEW AND THE KIRBY MINES.
Comment (Deposit): TACTITE FLOAT CONTAINING SCHEELITE HAS BEEN FOUND IN THESE AREAS OF IRREGULARITIES IN THE GRANODIRITE/LIMESTONE CONTACT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV
Comment (Development): STAKED IN 1920'S, EXPLORED IN 1950'S AND 1970'S; NO PRODUCTION. NO ACTIVITY AT TIME OF EXAMINATION IN 1984.
Comment (Deposit): SMALL TACTITE (SKARN) BODIES FORMED IN CAMBRIAN PREBLE LIMESTONE ON EAST CONTACT OF OSGOOD GRANODIORITE. THE LARGE-ST LENSE OF TACTITE OCCURS ON A SMALL HILL SOUTH OF OSGOOD CRE-EK NEAR THE COMMON SOUTH CORNERS OF SECTION 17 AND 18. HERE TH-E PREBLE SECTION HAS FORMED AN EMBAYMENT IN THE CONTACT; THE L-IMESTONES DIP ABOUT 30NE DOWN THE AXIS OF THE EMBAYMENT.
Comment (Workings): CUTS, TRENCHES ALONG CONTACT ZONE.
Comment (Geology): NEAR BY IRREGULARITIES IN THE TREND OF THE GRANODIRITE/LIMESTONE CONTACT.
References
Reference (Deposit): HOBBS, S.W., AND CLABAUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT COUNTY, NEV. UNIV. NEV. BULL. V. 40, NO. 5; GEOL & MIN. SER. NO. 44.
Reference (Deposit): TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.
Reference (Deposit): NBMG STAFF, 1985, NBMG OFR 85-3
Reference (Deposit): NBMG MINING DISTRICT FILE 136, ITEM 28, UNPUBLISHED USBM DATA.
Reference (Deposit): STAGER, H. K., IN PREPARATION, NBMG BULL ON TUNGSTEN DEPOSITS OF NEVADA
Reference (Deposit): HOTZ, P.E., AND WILLDEN, R, 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MOUNTAINS QUADRANGLE HUMBOLDT COUNTY, NEVADA; U.S.G.S. PROF. PAPER 431.
Nevada Gold
Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.
