468:
620:
82:
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has made the associated iron ranges exploration targets for potential banded iron formation-hosted gold deposits. This was the subject of a 2014 report for
Temagami Gold Inc., a mineral exploration company focused on discovering gold and
510:
The
Northeast Arm Range would prove to be one of the most promising iron ranges in the Temagami area by 1904, not only because of its extent and geological association but also because of its proximity to the projected
549:. Sherman consisted of four main open pits: East Pit and South Pit in the Northeast Arm Iron Range and North Pit and West Pit in the parallel Vermilion Range. They were developed around a central concentrating and
515:. Its economic importance was earnestly and persistently advocated by O'Connor which was one of the most powerful factors in directing public attention to it. This was especially true for T. B. Caldwell of
182:
483:
reconnaissance was being done adjacent to
Temagami. The full importance of this discovery was not recognized until around 1899 when the rocks were revealed to be
923:
349:
style venting. It also raises the possibility that the iron and silica originated from distal rather than proximal hydrothermal sources.
286:
at its northern end. One of many small iron ranges in the
Temagami area, the Northeast Arm Range consists of alternating bands of
990:
372:
hydrothermal fluids mixing with seawater. After deposition, the sediments were subsequently compressed, deformed and
924:"Review of Gold Target Potential With Emphasis on Ironstone Hosted Gold Targets – Temagami Greenstone Belt, Ontario"
771:
814:
859:
Wilgress, A. T. (1920). Twenty-Ninth Annual Report of the
Ontario Department of Mines (Report). Vol. XXIX.
845:
643:
451:
were simultaneous with deposition of the banded iron formation. The interbedded tuffs range in thickness from
905:
886:
864:
546:
1020:
995:
722:
488:
175:
1005:
688:
1010:
683:
Donaldson, J. A.; Garrett, R. G. (1991). Iron-Formation and
Metalliferous Sediments in Central Canada.
572:. The pellets were then loaded into covered ore cars which in turn were taken to the Dofasco plants in
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377:
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326:
311:
114:
717:
Summary Report of the
Geological Survey Department of Canada for the Calendar Year 1903 (Report).
930:
766:
Diekrup, D.; Hannington, M. (2017). "Characterization of the
Temagami BIF hydrothermal system".
487:
of a much larger iron formation. Much of the credit for tracing out this structure was given to
471:
The East Pit of
Sherman Mine was quarried at the eastern extent of the Northeast Arm Iron Range
404:
523:. Caldwell engaged in exploratory work of the Northeast Arm Iron Range in 1905 which involved
779:
741:"Categorizing mineralogy and geochemistry of Algoma type banded iron formation, Temagami, ON"
315:
89:
1000:
527:, trenching and cross-cutting of the ore body. The work was in charge of A. B. Willmott of
314:
which occurs on the southern margin of the
Abitibi Subprovince. It consists primarily of a
275:
104:
545:
and the Tetapaga Mining Company, the latter of which was a wholly owned subsidiary of the
8:
299:
807:
520:
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448:
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Gibson, Thomas W. (1906). Report of the Bureau of Mines 1906 (Report). Vol. XV.
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and steel. This operation continued until 1990 when the mine ceased production.
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samples grading 42.89% and 38.94% iron were obtained by O'Connor in 1902 for
476:
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Iron-bearing rocks were noted near the west end of Turtle Lake in 1888 while
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27:
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Gibson, Thomas W. (1903). Report of the Bureau of Mines 1903 (Report).
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who would become a well-known prospector engaging in local mining and
368:
deposition was unlikely to have been controlled by pH fluctuations of
16:
Area of iron ore in Nipissing District of Northeastern Ontario, Canada
503:
tests, the results of which showed that it was possible to produce a
432:
145:
81:
592:
581:
436:
369:
291:
283:
267:
155:
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indicates that there was little to no plume fallout from adjacent
901:
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Cannon, William F.; Hadley, Donald G.; Horton, Robert J. (1986).
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54:
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in the Northeast Arm Iron Range commenced with the opening of
361:
294:. It was discovered in the 1890s and has since seen sporadic
137:
588:
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444:
287:
163:
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volcanic setting 2.7 billion years ago. The iron and
496:
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to form the present-day banded iron formation. Possible
738:
403:, cuts across Highway 11, passes beneath the waters of
357:
615:
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in 1968. This operation was a joint venture between
805:
329:comprising this feature was directly derived from
765:
972:
739:Ginley, S.; Diekrup, D.; Hannington, M. (2014).
685:Iron-Formation in Temagami and Sherman Mine Area
682:
929:. Temagami Gold Inc. p. 1. Archived from
92:of the Northeast Arm Iron Range exposed along
310:The Northeast Arm Iron Range is part of the
391:This banded iron formation has a length of
278:, Canada. It parallels the western side of
80:
576:, Ontario, via the Ontario Northland and
858:
839:
466:
380:is represented by a series of intricate
360:fluids are not present, suggesting that
921:
973:
899:
880:
917:
915:
678:
587:The presence of potentially economic
399:. It starts west of the north end of
397:53 to 152 m (170 to 500 ft)
282:'s Northeast Arm near the village of
876:
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591:concentrations in the Sherman Mine
13:
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14:
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871:
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729:
695:
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772:Geological Association of Canada
618:
341:ocean. The lack of hydrothermal
38:
947:
815:United States Geological Survey
608:deposits in the Temagami area.
991:Geologic formations of Ontario
893:
852:
799:
644:Northeast Arm Deformation Zone
1:
649:
547:Cleveland-Cliffs Iron Company
124:Up to 80 metres (260 ft)
435:with smaller proportions of
7:
846:Queen's Printer for Ontario
689:Geological Survey of Canada
611:
519:who held an iron mine near
453:0.15 cm (0.06 in)
10:
1037:
922:Bending, David A. (2014).
906:King's Printer for Ontario
887:King's Printer for Ontario
865:King's Printer for Ontario
725:. 1904. pp. 124, 125.
462:
423:, consisting mainly of an
407:and ends in a swamp about
356:required to generate high-
305:
266:, is an elongated area of
957:. Temagami Gold Inc. 2015
723:King's Printer for Canada
561:to an automatic load-out
513:Ontario Northland Railway
419:thickness averages about
395:and a width ranging from
378:soft-sediment deformation
318:that was deposited in an
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232:
222:
174:
169:
151:
133:
128:
120:
110:
100:
79:
26:
21:
889:. pp. 20, 115, 336.
842:Iron Deposits of Ontario
840:Shklanka, Roman (1968).
409:280 m (920 ft)
312:Temagami Greenstone Belt
260:Northeast Arm Iron Range
210:Northeast Arm Iron Range
199:47.056917°N 79.8468389°W
115:Temagami Greenstone Belt
22:Northeast Arm Iron Range
457:5 cm (2.0 in)
421:60 m (200 ft)
393:8 km (5.0 mi)
787:Cite journal requires
472:
337:volcanic centres in a
333:associated with major
204:47.056917; -79.8468389
470:
447:; this suggests that
316:banded iron formation
808:"Algoma Fe Deposits"
580:railways for making
331:hydrothermal venting
290:-rich and iron-poor
276:Northeastern Ontario
105:Geological formation
1021:Strathcona Township
996:Geology of Temagami
691:. pp. 3, 5, 6.
553:plant that carried
507:from this deposit.
427:sequence of chert,
300:mineral exploration
264:Temagami Iron Range
194: /
28:Stratigraphic range
1006:Mining in Temagami
908:. pp. 26, 88.
521:Calabogie, Ontario
501:mineral processing
473:
449:volcanic eruptions
272:Nipissing District
262:, also called the
1011:Iron ore deposits
639:Kokoko Iron Range
634:Tetapaga Syncline
578:Canadian National
401:Snake Island Lake
256:
255:
249:Northeast Arm of
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1016:Strathy Township
986:Economic geology
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529:Sault Ste. Marie
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981:Archean geology
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955:"Our Portfolio"
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384:exposed in the
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867:. p. 214.
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789:|journal=
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626:Geology portal
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413:Tetapaga River
327:mineralization
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936:on 2017-07-22
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559:conveyor belt
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477:topographical
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455:to more than
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443:and volcanic
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417:stratigraphic
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189:79°50′48.62″W
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959:. Retrieved
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938:. Retrieved
931:the original
895:
854:
841:
819:. Retrieved
801:
780:cite journal
767:
747:. Retrieved
684:
586:
567:mine railway
539:Sherman Mine
533:
509:
489:Dan O'Connor
474:
390:
347:black smoker
309:
302:activities.
263:
259:
257:
241:Type section
1001:Iron mining
551:pelletizing
505:concentrate
493:prospecting
425:interbedded
405:Turtle Lake
354:lithologies
320:Algoma type
202: /
186:47°3′24.9″N
176:Coordinates
49:Proterozoic
975:Categories
961:2017-11-16
940:2017-11-16
821:2017-11-16
749:2017-11-14
687:(Report).
650:References
565:above the
481:geological
386:Highway 11
366:iron oxide
351:Ultramafic
339:Neoarchean
335:island arc
208: (
94:Highway 11
36:, 2,700 Ma
34:Neoarchean
479:work and
433:magnetite
411:from the
292:sediments
246:Named for
146:magnetite
129:Lithology
121:Thickness
612:See also
593:tailings
582:pig iron
574:Hamilton
485:outcrops
437:hematite
374:uplifted
370:alkaline
284:Temagami
268:iron ore
170:Location
156:Hematite
902:Toronto
883:Toronto
861:Toronto
543:Dofasco
463:History
306:Geology
233:Country
227:Ontario
134:Primary
111:Unit of
70:↓
56:Archean
719:Ottawa
602:nickel
598:copper
517:Lanark
495:. Two
441:pyrite
429:jasper
415:. The
343:sulfur
324:silica
296:mining
236:Canada
223:Region
160:pyrite
142:jasper
87:Folded
934:(PDF)
927:(PDF)
811:(PDF)
774:: 93.
744:(PDF)
382:folds
362:chert
152:Other
138:Chert
793:help
589:gold
570:spur
563:silo
445:tuff
431:and
364:and
298:and
288:iron
258:The
164:tuff
101:Type
63:Had.
42:Pha.
606:PGE
557:by
497:ore
274:of
270:in
977::
914:^
904::
885::
873:^
863::
844:.
830:^
813:.
784::
782:}}
778:{{
770:.
768:40
758:^
731:^
721::
697:^
657:^
531:.
459:.
439:,
358:pH
162:,
158:,
144:,
140:,
30::
964:.
943:.
824:.
795:)
791:(
752:.
604:-
600:-
212:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
