Mine detail: Molalla High-Alumina Clay

Previously called 'Ellis and Dibble Deposits'

<< Back to the map

Location

Lat / long:

45.05537, -122.55674

Resource(B)

Primary:	Aluminum, Iron, Kaolin
Ore:	Halloysite, Kaolinite, Montmorillonite
Discovery year:	1911

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Molalla
Host type:	Clay, Mud

References

MRDS	M025349
DEP	10036517
Reference	{Deposit:: OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 20}{Deposit:: NICHOLS, R.L., 1944, PRELIMINARY REPORT ON THE MOLALLA HIGH-ALUMINA CLAY DEPOSIT NEAR MOLALLA, CLACKAMAS COUNTY, OREGON; USGS STRATEGIC MINERALS INVESTIGATIONS}
Reporter	Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.