Commodities
PrimaryIron
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface
Materials
Ore mineralsMagnetite
GangueGarnet
Geology
Host rockGneiss · Biotite Gneiss
Economic & production
Development statusPast Producer
First production1855
Last production1910
Identification
Deposit ID10021789
MRDS IDDE01284
Alternate namesHoff Mine
RegionNA
Data scoreC
Coordinates40.90056, -74.56737
References
BAYLEY, WILLIAM S., 1910. IRON MINES AND MINING IN NEW JERSEY, VOL. VII OF THE FINAL REPORT SERIES OF THE STATE GEOLOGIST.FIELD CHECKED 1987.SIMS, P.K. 1958. GEOLOGY AND MAGNETITE DEPOSITS OF THE DOVER DISTRIDT, MORRIS COUNTY NJ GEOLOGICAL SURVEY PROF PAPER 287.COOK, GEORGE H., 1873 AND 1883 ANNUAL REPORTS OF THE STATE GEOLOGIST FOR THE YEARS 1873 AND 1883.