The Cass Ranch is a chromium mine located in Jackson county, Oregon at an elevation of 2,881 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: 2,881 Feet (878 Meters)
Commodity: Chromium
Lat, Long: 42.14222, -122.84944
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.
Cass Ranch MRDS details
Site Name
Primary: Cass Ranch
Secondary: Possibly Same As Glade View
Commodity
Primary: Chromium
Tertiary: Platinum
Tertiary: Palladium
Tertiary: Rhodium
Location
State: Oregon
County: Jackson
District: Red Mountain Area
Land Status
Land ownership: BLM Administrative Area
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.
Administrative Organization: Rogue River National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Model Name: Podiform chromite (minor)
Orebody
Form: MASSIVE, DISSEMINATED, BANDED STRINGERS AND IRREGULAR SHAPED PODS
Structure
Type: L
Description: Cleavage In Host Rocks Trends N25w And Dips 42sw. Jointing Trends N64e
Alterations
Alteration Type: L
Alteration Text: Serpentinization
Rocks
Name: Peridotite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic
Name: Peridotite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Name: Peridotite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Name: Peridotite
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Analytical Data
Analytical Data: NO ANALYSIS FOR IR, RU. 2 CHROMITE ASSAYS: 41% CR2O3, 13.88% FE
Analytical Data: 42.5% CR2O3, 15.67% FE, 6.18% SIO2.
Analytical Data: RU=26, 26 PPB
Analytical Data: PD=18, <4 PPB
Analytical Data: 2 PGE ANALYSES: PT=50, 10 PPB
Materials
Ore: Chromite
Comments
Comment (Location): ON WEST CENTER OF SECTION LINE BETWEEN SECS. 29 AND 32. ON LITTLE APPLEGATE RIVER OPPOSITE BRICKPILE RANCH. UTM GIVEN IS FOR PGE SAMPLE SITE LOCATION. LAT/LONG GIVEN IS FOR SHARP CURVE IN LITTLE APPLEGATE RIVER ACROSS FROM BRICKPILE RANCH; UTM FOR THIS IS 4665355N, 512450E. TOPO MAP DOES NOT SHOW ANY MINES AT THIS SITE. ODGMI'S MILOC FILE INDICATES LOCATION IS WITHIN ROGUE RIVER NATIONAL FOREST
Comment (Production): ORE HAS BEEN MINED OUT. ABOUT 1/2 TON REMAINS ON DUMP OR ORE PILE IN 1961
Comment (Deposit): MAXIMUM THICKNESS OF ORE LENSES IS 18 IN. ORE WAS NOT SEEN IN PLACE (1980)
Comment (Workings): A 15 X 10 X 12 FT OPEN CUT TRENDS N82E
Comment (Geology): ORE DEPOSIT IS IN PART OF DUTCHMAN PEAK MELANGE
Comment (Deposit): RECORD M013845 HAS MERGED AND DELETED.
References
Reference (Deposit): RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 92.
Reference (Deposit): CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.
Oregon Gold
"Where to Find Gold in Oregon" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Oregon. Read more: Where to Find Gold in Oregon.
