Table 1 Altitudes and related ages of the landforms observed throughout the 20 deltaic complexes investigated along the Québec North Shore and used to reconstruct the pattern of the Laurentide Ice Sheet margin retreat presented in Fig. 4.
From: Reconstructing ice-margin retreat using delta morphostratigraphy
Deltaic complex | Altitude | Ages (kyr cal BP) | Depositional system | Latitude | Longitude |
|---|---|---|---|---|---|
Les Escoumins | 120 | 12.5 | Ice-contact system | N48°21′ | W69°23′ |
60 | 9.5 | Glaciofluvial delta | |||
Longuerive | 135 | 11 | Ice-contact system | N48°34′ | W69°17′ |
Portneuf | 90 | 10.1 | Glaciofluvial delta | N48°38′ | W69°06′ |
Sault-au-Cochon | 140 | 11 | Ice-contact system | N48°42′ | W69°05′ |
90 | 10.1 | Glaciofluvial delta | |||
Betsiamites | 30 | 8 | Glaciofluvial delta | N48°54′ | W68°39′ |
Outardes | 15 | 7.5 | Glaciofluvial delta | N49°08′ | W68°17′ |
Manicouagan | 15 | 7.5 | Glaciofluvial delta | N49°08′ | W68°17′ |
Godbout | 60 | 9.5 | Glaciofluvial delta | N49°19′ | W67°36′ |
Pentecôte | 103 | 10.2 | Ice-contact system | N49°46′ | W67°11′ |
Walker | 103 | 11.1 | Ice-contact system | N49°56′ | W67°02′ |
Pasteur | 100 | 10.9 | Ice-contact system | N50°02′ | W66°57′ |
Ste. Marguerite | 50 | 8.2 | Glaciofluvial delta | N50°10′ | W66°38′ |
Sept-Îles | 130 | 10.8 | Ice-contact system | N50°15′ | W66°09′ |
42 | 7.3 | Glaciofluvial delta | |||
Manitou | 110 | 12.5 | Ice-contact system | N50°18′ | W65°15′ |
Riv. Au Tonnerre | 110 | 12.5 | Ice-contact system | N50°17′ | W64°55′ |
Magpie | 76 | 9.7 | Ice-contact system | N50°20′ | W64°25′ |
St. Jean | 50 | 8 | Glaciofluvial delta | N50°18′ | W64°11′ |
Romaine | 20 | 7.5 | Glaciofluvial delta | N50°17′ | W64°26′ |
Aguanish | 30 | 8.5 | Glaciofluvial delta | N50°13′ | W62°07′ |
Natashquan | 10 | 7.5 | Glaciofluvial delta | N50°09′ | W61°46′ |