Ryan Group

The Ryan Group is a mercury mine located in Lake county, Oregon.

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

Name: Ryan Group  

State:  Oregon

County:  Lake

Elevation:

Commodity: Mercury

Lat, Long: 43.53722, -119.95056

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.


Satelite image of the Ryan Group

Ryan Group MRDS details

Site Name

Primary: Ryan Group


Commodity

Primary: Mercury


Location

State: Oregon
County: Lake
District: Glass Buttes


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.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Vern Ryan

Owner Name: Jackson Mountain Mining Co.
Years: 1968 -


Production

Year: 1968
Time Period: 1967-1968
Material type: HG
Description: Cp_Grade: ^Ore Averaged 0.6 Lb. Hg/Ton


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1967
Year Last Production: 1968
Discovery Year: 1933
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Harney Section


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Nw Trending Faults


Alterations

Alteration Type: L
Alteration Text: Opalization Of Host Rocks


Rocks

Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Miocene

Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Miocene


Analytical Data

Not available


Materials

Ore: Cinnabar


Comments

Comment (Deposit): 2 SMALL OREBODIES ABOUT 1/4 MILE APART

Comment (Workings): 2 SMALL OPEN PIT AREAS

Comment (Production): MILL CUTOFF GRADE WAS 0.5 LB HG/TON

Comment (Geology): OPALITE DERIVED FROM GLASSY SILICIC LAVA AND TUFF.


References

Reference (Deposit): BROOKS, H.C., 1968, GLASS BUTTES MERCURY: ODGMI UNPUBLISHED REPORT

Reference (Deposit): BROOKS, H.C., 1963, QUICKSILVER IN OREGON: ODGMI BULL. 55, P. 172-174

Reference (Deposit): ROSS, C.P., 1941, SOME QUICKSILVER PROSPECTS IN ADJACENT PARTS OF NEVADA, CALIFORNIA AND OREGON: USGS BULL. 931-B, P. 33-35

Reference (Production): COMPANY RECORDS VIA H.C. BROOKS, ODGMI


Oregon Gold

Where to Find Gold in Oregon

"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.