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a Marginal Notes 84°00′00″ 55′ 50′ 45′ 40′ 25′ 20′ 15′ 10′ 05′ 83°00′00″ 290000 m 95 300000 m 05 35′ 30′ 45 50 355000 m LEGEND 51°00′00″ 10 15 20 25 30 35 40 51°00′00″ In 2008, the Ontario government announced plans to permanently protect 13 13 13 13 17 13 13 17 18 half of the Far North region of Ontario and launched a planning process 16 17 13 13 12 13 17 18 PHANEROZOIC 13 17 17 17 to support this goal (Far North Information Knowledge Management 13 18 18 17 18  18 Program). During the initial stages of planning, the need for primary 17 18 18 18 CENOZOIC 18 13 13 13 17 landscape data became apparent. A terrain mapping project to remotely 18 17 13 OntarioGeological Surve y 17 13 17 17 5650000 m predict surficial materials was initiated by the Ontario Geological Survey 18 17 18 17 QUATERNARY in response to this information need. 17 Nash 17 17 18 18 13 Lake 18 17 20 Marine Mud-Flat Deposits: Sand, silt and clay; deposited MAPP.3747 SPOT imagery (4 colour bands and the panchromatic band), a digital 17 S e 13 18 s in mud flats and offshore bars within the tidal zone. 17 13 e elevation model and its derivatives and the Ontario Hydro Network vector 13 Cheepay River g 13 18 in 17 17 drainage shape files (Ontario Ministry of Natural Resources and Forestry 18 a 17 g 18 17 17 18 19 Marine Salt-Marsh Deposits: Silt and clay with organic 2015) are the primary data sources for this remote predictive mapping 13 o SURFICIALGEOLOGY 12 w 5650000 m 18 12 18 13 Stooping matter, minor sand; deposited in salt marshes along exercise. A multiresolution segmentation algorithm, using different image 13 17 13 18 R River present-day coast. layer weights, scale parameters and homogeneity criterion, within an 18 17 iv 13 er 17 17 object-based image analysis software is used to achieve meaningful 18 18 13 18 18 17 18 Organic Deposits: Peat, muck and/or marl; deposited in SMOKYFALLS AREA objects representing various surficial material types. Objects are then fen wetlands.b classified based on digital signature, internal variability of signature and 17 18 17 18 17 17 NORTHWEST, proximity to certain vector layers and certain adjacent material types. 12 17 17 Organic Deposits: Peat, muck and/or marl; deposited in 17 13 17 bog wetlands.b Limited helicopter-supported field work combined with the examination of 17 13 18 NORTHERNONTARIO 17 18 13 17 17 18 archival information (Riley and Boissonneau (unpublished field notes and 18 17 45 17 16 Fluvial Deposits (recent): Stratified sand and gravel; may photographs); Geological Survey of Canada, Operation Winisk 13 17 18 include silt, minor clay. Deposited in bars and channels of unpublished field notes; Skinner 1973; Sanford, Norris and Bostock 1968; 18 17 17 present-day rivers and creeks. 000Scale 1:100 13 17 Sanford and Norris 1975; and Thorleifson, Wyatt and Warman 1993, and 13 18 17 13 17 their unpublished field notes) provided the ground control on the 13 17 18 13 18 15 Fluvial Deposits (abandoned): Stratified sand and gravel; classification of objects. In addition, information from the various other 18 18 17 17 17 17 may include silt, minor clay. Deposited in bars and channels 2000 m 0 2 4 km Far North Information Knowledge Management Program projects, such 45 17 17 12 17 along abandoned terraces of rivers and creeks. as base data and land cover information (Ontario Ministry of Natural 18 18 Resources and Forestry 2014), has been used in the interpretation and 55′ 55′ 17 14 Marine Deltaic Deposits: Stratified sand and gravel; silt, NTS References: 42 J/11, 12, 13, 14 classification of the surficial materials. 17 17 17 13 minor clay. Deposited at the mouths of rivers and creeks 17 17 17 17 18 entering a postglacial sea. © Queen's Printer for Ontario, 2017. The maps show only the surface material distribution. For better definition 13 17 18 17 13 of wetland types, please see Ontario Ministry of Natural Resources and 12 17 13 13 13 Marine Beach and Nearshore Deposits: Stratified sand This map is published with the permission of the Director, Ontario Forestry (2014). Older deposits that occur along many of the deeply incised 18 13 18 13 13 and gravel; minor silt. Deposited primarily in the shore zone Geological Survey. river valleys are only depicted where their scale is suitable for cartographic 13 Attaw apiskat 91 18 18 17 13 18 and nearshore zone of a postglacial sea. presentation. The reader is encouraged to review publications by 17 17 17 17 18 13 17 13 40 Skinner (1973) and Thorleifson, Wyatt and Warman (1993) for additional 86° 85° 84° 83° 82° 81° 80° 5 12 Marine Basin Deposits: Massive to stratified silt and clay; information and details on the older sediments exposed along rivers within 18 13 minor sand. Deposited in basinal areas of a postglacial sea. Attaw apiskat 91A the Hudson Bay Lowland. 53° 13 17 James 12 Pledger Lake 17 18 17 17 11 Glaciolacustrine Deltaic Deposits: Stratified sand and P3701 Bay This project is funded by the Ministry of Northern Development and 17 17 13 17 gravel; may include minor silt and clay. Deposited at the Mines. Interaction with the First Nation community members greatly 18 13 17 18 mouths of rivers and creeks entering a proglacial lake. enhanced the map products of the Far North Information Knowledge er 17 Fort Albany 67 40 iv 17 Management Program Terrain Mapping Project. R 17 P3714 a 18 Glaciolacustrine Beach and Nearshore Deposits: m 13 10 P3715 ka 18 13 17 13 Stratified sand and gravel; minor silt. Deposited primarily in 52° 17 aga 18 13 Aw 17 the shore zone and nearshore zone of a proglacial lake. 13 13 13 18 17 12 Marte n Falls P3728 P3729 18 18 13 P3727 17 18 18 18 18 9 Glaciolacustrine Basin Deposits: Stratified silt and clay; REFERENCES 13 17 13 17 minor sand. Deposited in basinal areas of a proglacial lake. 17 13 17 17 68 Geological Survey of Canada. Operation Winisk; unpublished field notes, Glaciofluvial Outwash Deposits: Stratified sand and gravel; P3738 P3739 17 17 35 8 Geological Survey of Canada, Ottawa, Canada. 13 51° 18 18 17 17 18 including minor silt, clay. Deposited in bars and channels in 13 rivers flowing from a glacier. 17 17 Ontario Ministry of Natural Resources and Forestry 2014. Far North land 18 17 P3746 P3747 KESAGAMI cover; Ministry of Natural Resources and Forestry, Land Information PROVINCIAL 18 13 7 Glaciofluvial Ice-Contact Deposits: Stratified sand Ontario, Peterborough, Ontario. 13 PARK 13 and gravel; including minor silt, clay, till and flowtill. English Rive r 66 50′ 17 18 17 50′ MISSINAIBI 17 Deposited in eskers, kames, deltas and subaqueous fans PROVINCIAL Ontario Ministry of Natural Resources and Forestry 2015. Ontario Hydro 13 P3753 P3754 35 17 13 and in end and recessional moraines along a glacier margin. PARK Network; Ministry of Natural Resources and Forestry, Land Information 18 17 50° Ontario, Peterborough, Ontario. 18 13 18 18 17 6 Till: Massive to bedded diamicton; clayey silt to clay matrix, 13 17 clast content low to moderate, moderate to high matrix Location Map 1 cm equals 50 km Riley, J. and Boissonneau, A. Unpublished field notes and photographs; 18 17 18 5 18 er 13 carbonate content, may contain discontinuous layers or Ontario Ministry of Natural Resources, Peterborough, Ontario. iv 17 18 R 13 17 lenses of stratified gravel, sand, silt and/or clay; includes y 18 a flowtills. Deposited at the base or along the margins of a p Sanford, B.V. and Norris, A.W. 1975. Devonian stratigraphy of the 17 ee 17 glacier. Trilsbeck Lake 17 h 18 13 Hudson Bay Platform; Geological Survey of Canada, Memoir 379, C 17 13 13 18 13 124p. 13 13 30 Till: Massive to bedded diamicton; sandy silt to silt matrix, 18 13 17 17 5 13 clast content moderate to high, low to high matrix carbonate Sanford, B.V., Norris, A.W. and Bostock, H.H. 1968. Geology of the 18 17 17 content, rare discontinuous layers or lenses of stratified Hudson Bay Lowlands (Operation Winisk); Geological Survey of 13 17 gravel, sand, silt and/or clay, or flowtills. Deposited at the Canada, Paper 67-60, p.1-45. 18 base or along the margins of a glacier. 13 17 Skene 18 Lake 5 Skinner, R.G. 1973. Quaternary stratigraphy of the Moose River Basin, 18 18 17 4 Till: Massive to bedded diamicton; silty sand to sand matrix, Ontario; Geological Survey of Canada, Bulletin 225, 77p. 30 18 clast content moderate to high, low to moderate matrix 17 13 a 13 17 17 18 13 13 17 5 carbonate content, rare discontinuous layers or lenses of SYMBOLS Thorleifson, L.H., Wyatt, P.H. and Warman, T.A. 1993. Quaternary 18 17 stratified gravel, sand, silt and/or clay, or flowtills. Deposited stratigraphy of the Severn and Winisk drainage basins, northern 17 5 at the base or along the margins of a glacier. Bedrock outcropb Trend of esker or Ontario; Geological Survey of Canada, Bulletin 442, 59p. 13 18 17 esker crest 18 13 17 17 18 3 Thin Sediment over Bedrock: Thin, near-continuous cover 13 17 of Quaternary sediments overlying undifferentiated bedrock. Lineament observed Glacial erosion 18 Quaternary sediments are commonly less than 1 m thick; on remotely sensed features carved Lake 13 18 25 however, areas of outcrop indicated on the map may contain imagery into the bedrock 18 18 small areas where the cover exceeds 1 m in thickness, but surface (includes 13 18 13 are too small to delineate at this map scale. Brow of large landslide striations, grooves, 17 18 5 45′ 13 or failure scar etc.); direction of ice 13 5 17 45′ 18 17 movement known, 17 17 18 PALEOZOIC, MESOZOIC AND CENOZOIC b 17 17 Base of terraced unknown 5 17 (TERTIARY) escarpment 13 18 5 13 (abandoned Streamline form with 25 18 5 2 Bedrock: Undifferentiated bedrock with a thin, discontinuous glaciolacustrine or positive relief; 13 18 cover of Quaternary sediments. Quaternary sediments rarely marine shorebluff) includes drumlins, 13 exceed 0.5 m in thickness; however, areas of outcrop 18 13 17 5 5 drumlinoid ridges indicated on the map may contain small areas where the Base of terraced and crag-and-tail 18 5 18 18 cover exceeds 1 m in thickness, but are too small to escarpment (margin features 17 18 delineate at this map scale. 18 5 of abandoned or 17 18 17 18 13 17 18 modern, fluvial or Streamline form with glaciofluvial terrace) negative relief; 13 20 PRECAMBRIAN 13 5 includes flutes

Trend or crest of ³ 18 ³ 13 1 Bedrock: Undifferentiated bedrock with a thin, discontinuous 17 17 17 cover of Quaternary sediments. Quaternary sediments rarely abandoned or modern Large iceberg keel 18 beach bar or spit 18 Crawford 17 exceed 0.5 m in thickness; however, areas of outcrop ³ ³ mark 17 13 13 17 Lake 17 5 17 indicated on the map may contain small areas where the 17 13 17 18 13 17 5 5 17 cover exceeds 1 m in thickness, but are too small to Base of large Large sand dune 5 5 ice-contact slope (aeolian) 18 17 13 delineate at this map scale. 20 13 17 17

a The map legend applies to Preliminary Maps P.3625 to P.3758, and P.3767. Trend of large moraine Fluvial channel

Cheepay River ³ 18 5 ³ 17

³ 5 5 5 Deposits on this sheet are mapped primarily where they reach 1 m or or moraine crest (direction of flow

³ ³ 13 ³ 18 assumed) 5 more in thickness. Thinner deposits are not generally shown. All legend 17 17 Trend of minor moraine 13 17 18 units or deposit types may not be present on this map. 18 18 or moraine crest; Area of extensive 13 b Refer to Ontario Ministry of Natural Resources and Forestry (2014) for better 17 13 13 5 includes De Geer palsas 17 18 18 definition of wetland types and distribution. 18 13 (or washboard)

5 18 15 moraines Area of suspected ³ 40′ 5 ³ 40′ karst features 17 Area of hummocky 18 13 17 5 moraine Indian Reserve, 5 17 18 17 park boundary 13 5 SOURCES OFINFORMATION Area of palimpsest 13 17 18 13 18 18 18 moraine Utility 15 13 17 18 5 17 5 The digital base map is derived from the Land Information Ontario Data 17 Warehouse, Land Information Ontario, Ministry of Natural Resources Area of ribbed 13 5 13 18 5 and Forestry, scale 1:50 000, with modifications by staff of the Ministry landforms; includes Road, winter road 18 18 18 5 5 17 of Northern Development and Mines. The digital base data is current Rögen (or ribbed) 17 17 5 to January 2014. The map co-ordinates are in UTM zone 16, North 5 5 moraine, scabland-type 17 17 17 American Datum 1983 (NAD83). erosional features Railroad 18 13 5 and/or megaripples Magnetic declination at the centre of the map area was approximately 17 17 17 5 17 13 5 18 9°35.64'W in 2017. Mean annual change is 2.1'E. 17 17 18 10 17 a The symbols list applies to Preliminary Maps P.3625 to P.3758, and 13 Moir Lake 17 Barnett, P.J., Webb, J.L. and Hill, J.L. 2009. Flow indicator map of the 17 P.3767. All symbols may not be present on this map. 13 Far North of Ontario; Ontario Geological Survey, Preliminary Map P.3610, 17 b 18 13 5 5 5 scale 1:1 000 000. As presented on published and unpublished maps.

17 12 17

13 18 13 18 5 17 17 18

13 ³

³

³ ³ Norris, A.W., Sanford, B.V. and Bostock, H.H. 1967. Geology, Hudson 17 17 ³ ³ 18 18 18 Bay Lowlands, Manitoba, Ontario, Quebec and District of Keewatin, 17 18 10 18 ³ ³ 17 compiled; Geological Survey of Canada, Preliminary Map 17-1967. 18 13 17 5 13 17 Accompanies Geological Survey of Canada, Paper 67-60. 18 CREDITS 18 13 17 13 17 17 Ontario Centre for Remote Sensing. Surficial geology, Smoky Falls area, 12 13 13 5 Ontario; unpublished map, Ontario Ministry of Natural Resources, Geology by A.F. Bajc, V.L. Lee and K.H. Yeung, 2014. 5 18 5 13 12 17 OCRS-42J, scale 1:250 000. 17 17 13 5 17 17 13 18 Additional symbols digitized by J. Bonin. 13 12 17 18 17 18 35′ 35′ 18 5 5 Ontario Ministry of Natural Resources 2012. Ontario radar digital 17 5 17 05 surface model; Ministry of Natural Resources, Land Information Ontario, Preparation of GIS product by K.H. Yeung. Peterborough, Ontario. 18 12 13 5 18 17 Cartographic production by R. Corcoran and J. Rickards. 18 17 17 5 5 5 17 Ontario Ministry of Natural Resources and Forestry 2014. Far North land 17 Every possible effort has been made to ensure the accuracy of the 17 13 17 5 cover; Ministry of Natural Resources and Forestry, Land Information 13 5 18 5 Ontario, Peterborough, Ontario. information presented on this map; however, the Ministry of Northern 13 17 18 17 17 Development and Mines does not assume liability for errors that may 05 18 Sanford, B.V. and Norris, A.W. 1975. Devonian stratigraphy of the occur. Users should verify critical information. 12 13 18 17 13 18 5 Hudson Bay Platform; Geological Survey of Canada, Memoir 379, 124p. 13 17 Issued 2017. 17 17 17 17 17 18 13 Information from this publication may be quoted if credit is given. It is 18 17 17 17 13 5 recommended that reference to this map be made in the following form: 13 17 5 18 18 er 17 5 18 iv 5 Bajc, A.F. and Yeung, K.H. 2017. Surficial geology of the Smoky Falls R 17 e area northwest, northern Ontario; Ontario Geological Survey, 12 dg 5600000 m Dent Lake Ri 18 Preliminary Map P.3747, scale 1:100 000. 17 13 17 18 13 13 5 5 17 18 5 13 18 18 18 12 13 18 17 18 5 13 18 13 5 17 13 12 18 5600000 m 18 18 12 17 12 18 5 17 17 17 13 18 18 18 17 17 18 17 12 17 17 17 13 17 12 5 50°30′00″ 50°30′00″ Users of OGS products are encouraged to contact those Aboriginal 290000 m 95 300000 m 05 10 15 20 25 30 35 40 45 50 355000 m 84°00′00″ 55′ 50′ 45′ 40′ 25′ 20′ 15′ 10′ 05′ 83°00′00″ communities whose traditional territories may be located in the mineral 35′ 30′ exploration area to discuss their project.