Mine detail: Cliffside Mine

Previously called 'Mine: PhillipsKerr-McgeeSection 36'

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Location

Lat / long:

35.39561, -107.75006

Resource(M)

Primary:	Uranium, Vanadium
Tertiary:	Molybdenum, Selenium
Ore:	Coffinite, Montroseite
Orebody form:	THE DEPOSIT CONSISTS OF TWO OREBODIES-ONE IS A LARGE IRREGULAR, ROUGHLY CIRCULAR MASS AND THE OTHER A LONG, NARROW POD THAT TRENDS SOUTHEASTWARD. A LARGE, 100-FT CYLINDRICAL COLLAPSE STRUCTURE OCCURS IN THE SOUTHERN EDGE OF THE MAIN OREBODY: ORE IN THE COLLAPSE STRUCTURE IS DISPLACED ABOUT 20 FEET. THE ORE IS GENERALLY THICKER AND HIGHER GRADE THAN IN ADJACENT WALLS BUT SAME STRATIGRAPHIC ZONE
Discovery year:	1957

Production

Operation type:	Unknown
Deposit type:	Stratiform
Production size:	Medium
Development status:	Producer
First production started:	1960
Last production ended:	1983

Geology

Host rock:	Morrison
Host type:	Sandstone
Structure:	San Mateo Anticline, San Mateo Anticline; A 100-Ft, Cylindrical Collapse Structure.
Tectonic:	Chaco Slope

References

MRDS	W016960
DEP	10100911
Reference	{Deposit:: CLARK, D.S., AND S.R. HAVENSTRITE, 1963, NMBMMR MEM 15, P. 108-116}{Deposit:: HILPERT, L.S., 1969, USGS PP 603, P. 39}{Deposit:: SQUYRES, J.B., 1980, NMBMMR MEM 38, P. 86-96}{Deposit:: MCLEMORE, V.T., 1983, NMBMMR OFR-183, APPENDIX 1}{Deposit:: NMBMMR GENERAL FILE DATA}
Reporter	Weeks, Robert, Murray, Diane