Labrador Margin 125 Ma) and finished through the Late Cretaceous (

Labrador Margin 125 Ma) and finished through the Late Cretaceous (

The Labrador water is really a northwestward expansion associated with North Atlantic Ocean, through the Charlie-Gibbs break zone into the south to Davis Strait when you look at the north (Figure 2), which separates southern Greenland from Labrador. Rifting and breakup of the margins started through the Early Cretaceous (

85 Ma) according to borehole information (Balkwill 1990). Volcanics of Cretaceous and early Tertiary age onlap the rift structures and synrift sediments. In the order of Davis Strait, a final amount of intense volcanism into the Paleocene (

60 Ma) is from the North Atlantic Magmatic Province (Gill et al., 1999). The pre-existing continental crust varies substantially in its ages and crustal properties: from the Paleozoic Appalachian Province in the south, through the Late Proterozoic Grenville Province to the Early Proterozoic Makkovik Province, and finally the Archean Nain Province (Figure 9) unlike the Newfoundland and Nova Scotia margins to the south. Continue reading “Labrador Margin 125 Ma) and finished through the Late Cretaceous (“