Survey Metadata
Surface water, Lake sediment
Ontario
2010
Lake sediment and water survey, NTS 52L, Separation Lake area, northwestern Ontario, 2010.
Location map
(requires an Internet connection)
Survey Description
In July and August 2010, a high-density lake sediment and water survey was carried out in the Separation Lake area, northwestern Ontario, over an area of 5700 km2, at an average density of 1 sample site per 3.3 km2.
| Sample Type | Number of Sites | OGS Open File Report |
| Lake sediment (<15 cm sediment depth) | 1462 | OFR6298 |
| Lake sediment (>20 cm sediment depth) | 1396 | |
| Lake water | 1721 |
The data are published in Ontario Geological Survey (OGS) Miscellaneous Release Data, MRD314.
The data are also part of a compilation database, Lake Geochemistry of Ontario – 2019.
Publication History
| Index | Publication |
|---|---|
| 1 | Burke, H.E., Dyer, R.D. (2014). Lake sediment and water geochemical data from the Rex–Werner–Separation lakes area, northwestern Ontario. Ontario Geological Survey, Miscellaneous Release-Data, MRD314 ( more) |
| 2 | Burke, H.E., Dyer, R.D. (2014). Rex–Werner–Separation lakes area high-density lake sediment and water geochemical survey, northwestern Ontario. Ontario Geological Survey, Open File Report 6298, 231 p. ( more) |
| 3 | Ontario Geological Survey (2020). Lake geochemistry of Ontario—2019. Ontario Geological Survey, online database. https://www.geologyontario.mndm.gov.on.ca/mndmaccess/mndm_dir.asp?type=pub&id=LakeGeochemON. Accessed March 30, 2023. ( more) |
Project History
| Index | Year | Project |
|---|---|---|
| 1 | 2019 | Lake Geochemistry of Ontario Compilation Project, 2019 ( more) |
Geographic Extent
| Minimum Latitude | Maximum Latitude | Minimum Longitude | Maximum Longitude |
|---|---|---|---|
| 50° | 50.5° | -95.15° | -94° |
The geographic extent of the survey is defined by the following polygons:
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Covers NTS 52L/1 (Lount Lake), 52L/2 (Whitedog Lake), 52L/3 (Umfreville Lake), 52L/8 (Lennan Lake) and parts of 52L/3 (Crowduck Lake) and 52L/6 (Ryerson Lake) in the Separation Lake area, northwestern Ontario. It is bounded to the west by the Ontario-Manitoba border and to the north by 50.5°N latitude. Big Sand Lake is found in the south central part of the study area. The centre of the study area is located approximately 58 km north of Kenora.
Keywords
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