Lake Coleman was a large lake, in the same basin as Lake Ontario, during an interglacial period, approximately 75,000 years ago.[1] Its level was 20 metres (66 ft) higher than Lake Ontario.[2]
Lake Coleman was named after Arthur Philemon Coleman, a respected geologist whose excavations played a role in discovering the existence of the lake.[3]
See also edit
Glacial Lake Iroquois, a prehistoric proglacial lake in the same basin as Lake Ontario that existed at the end of the last ice age approximately 13,000 years ago. The level of the lake was approximately 30 meters (~100 ft) above the present level of Lake Ontario.
References edit
- ^ Wayne Reeves; Christina Palassio, eds. (2008). "HTO, Toronto's Water from Lake Iroquois to Taddle Creek and Beyond". Coach House Books. ISBN 9781552452080. Retrieved 2018-09-29.
- ^ Frank Remiz (2012-01-24). "Toronto's Geology: including history, biota, and High Park" (PDF). Toronto Field Naturalists. Archived (PDF) from the original on 2016-07-05. Retrieved 2018-09-29.
- ^
Dennis Duffy (2017-08-19). "Historicist: The Man the Rocks Talked To: A.P. Coleman uncovered Toronto's prehistory, among other adventures". Torontoist. Archived from the original on 2018-09-30. Retrieved 2018-09-29.
In honour of the geologist, a prehistoric body of water covering this region before Lake Ontario came to be was named Lake Coleman after his death.
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