New Mexico · Grant County
Past Producer

Georgetown Mines

Grant County, New Mexico, United States
SilverLead
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
SecondaryLead
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlDeposits Localized Among Fractures, Joints, And Bedding Planes Near Contacts With Granodiorite Porphyry Dikes. Overlying Devonian Shale, And Direct Association With Dikes.
Materials
Ore mineralsArgentite, Bromyrite, Cerargyrite, Pyrargyrite, Silver
GangueCalcite, Quartz
Geology
Host rockDolomite · Fusselman Formation (Richmond Horizon);Percha Formation
Associated rockDiorite
StructureGeneral Dip Of Sedimentary Beds Is 10-20w Of South Edge Of An Anticline
AlterationSilicification, Oxidation
Economic & production
Development statusPast Producer
First production1873
Last production1893
Discovery year1866
Identification
Deposit ID10014769
MRDS IDD011701
Alternate namesIncludes: Naiad Queen, Commercial Cramer, Macgregor, Mcnulty, And Satisfaction.
RegionNA
Data scoreB
Coordinates32.85011, -108.02172
References
LINDGREN, WALDEMAR, GRATON, L. C., AND GORDON, C. H., 1910, U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 68, P. 318-319.HERNON, R. M., COMPILER, 1949, WEST TEXAS GEOLOGICAL SOCIETY AND SOUTHWESTERN NEW MEXICO SECTION, AIME GUIDEBOOK, FIELD TRIP 3, P. 38.ANDERSON, E. C., 1957, NMBMMR BULL. 39, P. 67.LASKY, S. G., AND WOOTTEN, T. P., 1933, NMBMMR BULL. 7, P. 56-57.HEDLUND, D. C., UNPUBLISHED FIELD MAP.USGS AND OTHERS, 1965, MINERAL AND WATER RESOURCES OF NEW MEXICO, NEW MEXICO BUREAU OF MINES BULLETIN 87, P. 139-149.1905 COMPILE L.C. GRATON1910 COMPILE LINDGREN1959 COMPILE NEW MEXICO SCHOOL OF MINES