Late Wisconsin white spruce ( Picea glauca (Moench) Voss) at Brampton, Ontario

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Terasmae, J., Matthews, H. L.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1980
• Subjects: General Earth and Planetary Sciences; Glacial Lake; Tundra
• Online Access: http://dx.doi.org/10.1139/e80-107; http://www.nrcresearchpress.com/doi/pdf/10.1139/e80-107

Study of late Wisconsin deposits in a small bog on the crest of Brampton esker (mantled by the Halton Till), about 30 km west of Toronto, Ontario, yielded a radiocarbon date of 12 320 ± 360 years BP (BGS-551) for a sample of white spruce cones that contained fully-developed seeds. This date on cones...