The Blue Jay and Roberts Groups is a copper and iron mine located in Davis county, Utah at an elevation of 5,420 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: 5,420 Feet (1,652 Meters)
Commodity: Copper, Iron
Lat, Long: 40.94417, -112.20222
Map: View on Google Maps
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Blue Jay and Roberts Groups MRDS details
Site Name
Primary: Blue Jay and Roberts Groups
Commodity
Primary: Copper
Primary: Iron
Tertiary: Barium-Barite
Location
State: Utah
County: Davis
District: Antelope Island Area
Land Status
Land ownership: State
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
Type: Surface/Underground
Ownership
Owner Name: Wesley Nelson Jr. And Sr.; Patrick And Noreen Roberts
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
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: Antelope Island
Mineral Deposit Model
Not available
Orebody
Form: TABULAR, IRREGULAR
Structure
Type: R
Description: Wasatch Fault, Thrust Belt
Alterations
Not available
Rocks
Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Slate
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: AG-.5 PPM8 AU-LESS THAN .02 PPM, CU-3.99%, PB-30 PPM, ZN-PPM.
Analytical Data: ADIT ZA UPPER, GRAB SAMPLE FROM DUMP: AG - .5 PPM, AU- .04 PPM, CU - 1.420%, PB-20 PPM, ZN-45PPM: ADIT 2B, GRAB SAMPLE FROM DUMP: AG-LESS THAN .3 PPM, AU-.30 PPM
Materials
Ore: Malachite
Ore: Barite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Hematite
Comments
Comment (Location): INFO FROM LAND.ST :1977
Comment (Deposit): NORTH ADIT A IS ON 3 FT. QUARTZ VEIN N 88 E 76S, SOUTH ADIT A IS ON 3 FT QUARTZ VEIN N 88 E 75 N; ADIT B IS ON 18 IN. QUARTZ VEIN N 64 E 80 SE; SHAFT C IS ON SHEAR ZONE N 9 W 87 SW; ADIT E FOLLOWS 18 IN. QUARTZ VEIN S 80 W 80 NW; ADIT F IS ON SAME STRUCTURE AS E; PIT G IS PROBABLY ON SAME TREND AS E AND F.
Comment (Workings): NORTH ADIT A IS 20 FT. LONG WITH A 12 FT. DEEP WATER FILLED WINZE, SOUTH ADIT A IS 20 FT LONG; ADIT B IS 35 FT. LONG; SHAFT C IS 30 FT. AND INTERSECTS 30 FT ADIT DRIVEN FROM BELOW; PIT D IS 5 FT DEEP AND 12 FT. IN DIAMETER WITH A 3 FT. DEEP 6 FT. DIAMETER PIT IMMEDIATELY TO THE NORTH; ADIT E IS APPROXIMATELY 50 FT. LONG AND IS PARTIALLY CAVED; SHAFT F IS OVER 60 FT. DEEP; PIT G IS 2 FT. DEEP AND 6 FT. IN DIAMETER.
References
Reference (Deposit): LARSEN, W.N., 1957, PETROLOGY AND STRUCTURE OF ANTELOPE ISLAND, DAVIS CO., UTAH: UNIVERSITY OF UTAH PH.D. DISSERTATION.
Reference (Deposit): NOTORY, R.T., 1958, A GRAVITY AND MAGNETIC STUDY OF ANTELOPE ISLAND,, GREAT SALT LAKE, DAVIS COUNTY, UTAH: UNIVERSITY OF UTAH M.S. THESIS.
Reference (Deposit): TRIPP, B.T., 1983, ON SITE INVESTIGATION: UGMS.
Reference (Deposit): DAVIS, F.D., 1983, GEOLOGIC MAP OF THE CENTRAL WASATCH FRONT, UTAH: UGMS MAP 54-A.
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