Minnesota · St. Louis County
Producer

Minntac Mine

St. Louis County, Minnesota, United States
Iron
⌖ Show on mapUSGS source ↗
Commodities
PrimaryIron
Commodity typeM
Deposit
WorkingsSurface
Materials
Other materialsAnkerite, Chert, Chlorite, Hematite, Magnetite, Pyrite, Quartz, Siderite, Talc
Economic & production
Development statusProducer
First production1967
Discovery year1890
Identification
Deposit ID10243455
MRDS IDW018511
RegionNA
Data scoreA
Coordinates47.56669, -92.6377
References
DEVANEY, F. D. IRON ORE STORY OF THE UPPER GREAT LAKES,PAST AND FUTURE. SKILLINGS' MINING REVIEW, MAR. 13,1971, FRONT COVER AND PP. 4-7 AND 16.SKILLINGS' MINING REVIEW. U. S. STEEL SHIPMENTS OF IRON OREFROM MINNESOTA. JAN. 27, 1968, P. 14.-----. U. S. STEEL MINNESOTA IRON ORE SHIPMENTS. JAN. 25,1969, P. 9.-----. U. S. STEEL IRON ORE SHIPMENTS FROM MINNESOTA. JAN.31, 1970, P. 27.-----. U. S. STEEL IRON ORE SHIPMENTS FROM MINNESOTA DURING1970. JAN. 30, 1971, P. 25.-----. U. S. STEEL CORP.'S IRON ORE SHIPMENTS FROM MINNE-SOTA. JAN. 15, 1972, P. 39.-----. U. S. STEEL'S MINNESOTA SHIPMENTS OF IRON ORE. FEB.24, 1973, P. 22.-----. U. S. STEEL IRON ORE SHIPMENTS INCREASE TO 21,224,958 G.T. FEB. 2, 1974, P. 6.-----. U. S. STEEL SHIPMENTS OF IRON ORE FROM MINES IN MIN-NESOTA. FEB. 8, 1975, P. 25.-----. U. S. STEEL SHIPMENTS OF IRON ORE IN 1975. JAN. 17,1976, P. 5.-----. U. S. STEEL ORE SHIPMENTS FROM MINNESOTA IN 1976.JAN. 29, 1977, P. 10.-----. U. S. STEEL'S MINNESOTA ORE SHIPMENTS IN 1977. JAN.14, 1978, P. 8.-----. 1978 U. S. STEEL IRON ORE SHIPMENTS FROM MINNESOTA.JAN. 13, 1979, P. 5.19, 1980, P. 10.-----. 1980 U. S. STEEL IRON ORE SHIPMENTS FROM MINNESOTA.JAN. 10, 1981, P. 6._____. U. S. STEEL'S MINNESOTA ORE OPERATIONS SHIPMENTS,1981. JAN. 16, 1982, P. 9._____. U. S. STEEL'S SHIPMENTS FROM MINNESOTA ORE OPERA-TIONS. JAN. 15, 1983, P. 5._____. U. S. STEEL'S MINNESOTA ORE SHIPMENTS INCREASE IN1983. JAN. 28, 1984, P. 21._____. U. S. STEEL'S MINNTAC PELLET SHIPMENTS AT 8,709,000G.T. FEB. 2, 1985, P. 16._____. U. S. STEEL'S MINNTAC PELLET SHIPMENTS INCREASE IN1985. JAN. 11, 1986, P. 35._____. USS DIVISION OF USX IRON ORE SHIPMENTS AT 5,506,000G.T. JAN. 31, 1987, P. 9._____. USS DIVISION'S IRON ORE SHIPMENTS FROM MINNESOTAPROPERTIES IN 1987. FEB. 20, 1988, P. 6.AMERICAN MINING CONGRESS. COSMAR WORKING PAPER V, PREP. BYTHE PANEL ON LARGE OPEN-PIT MINES IN HUMID ENVIRONMENTSFOR THE COMMITTEE ON SURFACE MINING AND RECLAMATION.WASHINGTON, D.C., 1979, 103 PP.CARTHEW, D. J. MINNESOTA TACONITE MINING PROBLEMS RESOLVED,IN OPEN-PIT PLANNERS FACE COMPLEX PROBLEMS WHEN DESIGNINGTHE TOTAL MINE OPERATION. E/MJ, SEPTEMBER 1967, PP. 102-106.ENGINEERING AND MINING JOURNAL. MINNTAC--BIG AND GROWINGBIGGER. JULY 1970, PP. 63-71.-----. US STEEL EXPANDING MINNTAC PELLET PLANT, IN THISMONTH IN MINING. AUGUST 1970, P. 118.-----. MINNESOTA, IN NEWS BRIEFS--IN THE US (CONTAINS THREEPARAGRAPHS CONCERNING MINNTAC). JULY 1974, P. 118.-----. MINNTAC PREPARING FOR SECOND MAJOR EXPANSION, INBILLION-DOLLAR EXPANSION OF US IRON ORE REFLECTS FORECASTRECORD DEMAND GROWTH. NOVEMBER 1974, PP. 106-110.-----. MINNESOTA, IN NEWS BRIEFS--IN THE US (CONTAINS TWOPARAGRAPHS CONCERNING MINNTAC). MARCH 1975, P. 254.PARAGRAPHS CONCERNING MINNTAC). AUGUST 1975, P. 154.-----. MINNTAC EXPANDING TO 18.5 MILLION LTPY. JUNE 1977,PP. 125-126.ERICKSON, D. V. MINNTAC STORY--AGGLOMERATION. SKILLINGS'MINING REVIEW, APR. 25, 1970, FRONT COVER AND PP. 12-14.FRENCH, B. M. PROGRESSIVE CONTACT METAMORPHISM OF THE BI-WABIK IRON-FORMATION, MESABI RANGE, MINNESOTA. MINN.GEOLOGICAL SURVEY BULL. 45, 1968, 103 PP.GUNDERSEN, J. N., AND G. M. SCHWARTZ. THE GEOLOGY OF THEMETAMORPHOSED BIWABIK IRON-FORMATION, EASTERN MESABI DIS-TRICT, MINNESOTA. MINN. GEOLOGICAL SURVEY BULL. 43, 1962,139 PP.HARTLEY, D. THE MINNTAC STORY--MINING OPERATIONS. SKIL-LINGS' MINING REVIEW, APR. 11, 1970, FRONT COVER AND PP.8-9.-----. RADIO REMOTE CONTROL OF LOCOMOTIVES. SKILLINGS'MINING REVIEW, NOV. 21, 1970, FRONT COVER AND PP. 6-7.HOPPE, R. MINNTAC HITS 18.5 MILLION LTPY OF PELLET CAPA-CITY, IN NEW TACONITE CAPACITY. E&MJ, SEPTEMBER 1979,PP. 96-99.HOPPE, R. W., AND R. A. THOMAS. TACONITE PROGRESS REPORT,MASSIVE EXPANSIONS BY THE LAKE SUPERIOR PELLET PRODUCERSHAVE INCREASED REGIONAL CAPACITY BY 31 MILLION LTPY.E&MJ, SEPTEMBER 1979, PP. 64-65.KOSKI, R. E. CONSTRUCTION PROGRESS REPORT, UNITED STATESSTEEL CORPORATION, MINNTAC STEP III EXPANSION. PROC.49TH ANN. MEETING, MINNESOTA SEC., AIME AND 37TH ANN.MINING SYMP., DULUTH, MINN., JAN. 14-16, 1976, PP. 4-1 -4-6.MARSDEN, R. W. IRON ORE RESERVES OF THE MESABI RANGE, MIN-NESOTA (A MINERALS AVAILABILITY SYSTEM REPORT). BUMINESOPEN FILE REPT. 109-80, 1980, 73 PP.; AVAILABLE FOR REF-ERENCE AT BUREAU OF MINES FACILITIES IN DENVER, COLO.,TWIN CITIES, MINN., PITTSBURGH, PA., AND SPOKANE, WASH.;AT NATIONAL LIBRARY OF NATURAL RESOURCES, U.S. DEPARTMENTOF THE INTERIOR, WASHINGTON, D.C.; AND FROM NATL. TECH-NICAL INFO. SERVICE, SPRINGFIELD, VA., PB 80-228984.MOREY, G. B. MESABI RANGE, IN GEOLOGY OF MINNESOTA: A CEN-TENNIAL VOLUME (CHAP. IV--MIDDLE PRECAMBRIAN), ED. BY P.K. SIMS AND G. B. MOREY. MINN. GEOLOGICAL SURVEY, 1972, PP.204-217.NIEMI, C. W. U.S. STEEL'S MINNTAC OPERATION. MINING CON-GRESS JOURNAL, MARCH 1974, PP. 53-59.PROTHERO, K. L. MINNTAC STORY--CRUSHING & CONCENTRATING.SKILLINGS' MINING REVIEW, APR. 18, 1970, FRONT COVER ANDPP. 10-12.SKILLINGS, D. N., JR. U. S. STEEL CORP., IN 1972 ACTIVITYAT MINNESOTA IRON ORE MINES AND PLANTS. SKILLINGS' MI-NING REVIEW, JUNE 3, 1972, PP. 12-13.-----. U. S. STEEL CORP., IN 1974 MINNESOTA TACONITE ANDNATURAL ORE ACTIVITY. SKILLINGS' MINING REVIEW, JUNE 29,1974, PP. 10-11.-----. U. S. STEEL CORP., IN 1978 IRON ORE OPERATIONS INMINNESOTA. SKILLINGS' MINING REVIEW, JULY 29, 1978, PP.22-23.-----. U. S. STEEL CORP., IN 1979 IRON ORE OPERATIONS INMINNESOTA. SKILLINGS' MINING REVIEW, JULY 28, 1979, PP.28-29.-----. U. S. STEEL CORP., IN MINNESOTA IRON ORE OPERATIONS1980. SKILLINGS' MINING REVIEW, AUG. 2, 1980, P. 16.SKILLINGS' MINING REVIEW. START-UP PREPARATIONS AT MINNTACUNDER WAY. JULY 15, 1972, P. 10.-----. U. S. STEEL CONTINUING WITH MINNTAC STEP III CON-STRUCTION. JAN. 8, 1977, PP. 52-53.-----. U. S. STEEL SHIPS 100,000,000TH G.T. OF MINNTAC PEL-LETS. DEC. 2, 1978, P. 9.UNITED STATES STEEL CORPORATION, MINNESOTA ORE OPERATIONS.STATISTICS OF TACONITE (COMPANY INFO. HANDOUT RELATING TOMINNTAC). 1 P.-----. WELCOME TO MINNTAC (COMPANY INFO. PAMPHLET CON-CERNING THE MINNTAC FACILITIES).U.S. GEOLOGICAL SURVEY. KINNEY QUADRANGLE (TOPOGRAPHICMAP), MINNESOTA--ST. LOUIS CO. 7.5 MINUTE SERIES, 1951,SCALE 1:24,000.-----. VIRGINIA QUADRANGLE (TOPOGRAPHIC MAP), MINNESOTA--ST. LOUIS CO. 7.5 MINUTE SERIES, 1951, SCALE 1:24,000.VANDELINDER, M. D. SOLVING MAINTENANCE PROBLEMS. MININGCONGRESS JOURNAL, DECEMBER 1977, PP. 47-49 AND 53-54.WIDMAYER, D. F. THE MINNTAC STORY, DEVELOPMENT AND OPERA-TION OF U. S. STEEL'S TACONITE FACILITY. SKILLINGS' MI-NING REVIEW, APR. 4, 1970, FRONT COVER AND PP. 10-11.HAATAJA, P. G., D. F. HENDRICKS, AND N. A. BRASCUGLI. TRUCK-TO-RAIL TRANSFER AT MINNTAC. SKILLINGS' MINING REVIEW,APR. 11, 1987, PP. 4-8.JANSEN, K., B. KNIIVILA, T. LERICK, AND A. B. ANDREWS. IM-PROVEMENTS IN BLASTING PRACTICES AT MINNTAC MINE. SKIL-LINGS' MINING REVIEW, AUG. 25, 1984, PP. 6-12.SKILLINGS, D. N., JR. U. S. STEEL CORP., IN MINNESOTA IRONORE OPERATIONS IN 1981. SKILLINGS' MINING REVIEW, AUG.8, 1981, P. 16._____. U. S. STEEL CORP., IN MINNESOTA IRON ORE OPERATIONSMARKED BY CUTBACKS IN 1982. SKILLINGS' MINING REVIEW,AUG. 7, 1982, PP. 10-11.REMAIN AFFECTED BY PRODUCTION CUTBACKS AND SHUTDOWNS IN1983. SKILLINGS' MINING REVIEW, JULY 30, 1983, PP. 10-IMPROVING FURTHER IN THIRD YEAR OF RECOVERY. SKILLINGS'MINING REVIEW, JULY 28, 1984, PP. 11-12._____. U. S. STEEL CORP., IN U.S. IRON ORE INDUSTRY CONTIN-UING TO OPERATE AT 50 MILLION TON PRODUCTION LEVEL IN1985. SKILLINGS' MINING REVIEW, JULY 27, 1985, P. 16._____. USS, UNIT OF USX CORP., IN U.S. IRON ORE PRODUCTIONESTIMATED AT 41 MILLION GROSS TON LEVEL IN 1986 WITH SEC-OND HALF SLOWDOWN IN STEEL INDUSTRY. SKILLINGS' MININGREVIEW, JULY 26, 1986, PP. 16-17._____. USS, DIVISION OF USX CORP., IN U.S. IRON ORE INDUS-TRY TO RECOVER MODERATELY IN 1987 TO LEVEL OF 45 MILLIONGROSS TONS OF PELLETS AND ORE. SKILLINGS' MINING REVIEW,JULY 25, 1987, P. 18._____. USX CORP., IN NORTH AMERICAN IRON ORE INDUSTRY INMAJOR RECOVERY IN 1988 TO REACH SEVEN-YEAR PRODUCTIONPEAK OF 97.6 MILLION GROSS TONS. SKILLINGS' MINING RE-VIEW, JULY 30, 1988, PP. 15-16.SKILLINGS' MINING REVIEW. MINNTAC PLANT TO TEST SAWDUST ASFUEL IN PELLETIZING KILN. DEC. 14, 1985, P. 7._____. MINNTAC ENGINEERS DESIGN FLOATS TO PROTECT CLARIFIERPONDS. JAN. 30, 1988, P. 8.ST. LOUIS COUNTY MINE INSPECTOR. THE ANNUAL REPORT OF THEINSPECTOR OF MINES, ST. LOUIS COUNTY, MINNESOTA (1977-1987 REPORTS).USX CORPORATION, USS DIVISION. PERSONAL COMMUNICATION WITHLEE OSMONSON BY COMPANY REPRESENTATIVES DURING VISIT TOTHE MINNTAC MINE IN MARCH 1988.WEINERT, J. D., AND R. W. SALMI. RECENT APPLICATIONS OFFINE SCREENS AT MINNTAC. SKILLINGS' MINING REVIEW, JUNE23, 1984, PP. 4-9.USX CORPORATION. 1986 ANNUAL REPORT, FORM 10-K. PP. 2 ANDMINNTAC, CONCENTRATING FLOW SHEET--STEPS 1, 2, 3 (COMPANYINFO. HANDOUT). 1 P.