Trends in growth and age at first calving for Holstein and Ayrshire heifers in Quebec Can. J. Anim. Sci., 86 (2006), pp. 325-336 https://doi.org/10.4141/A05-080 View in ScopusGoogle Scholar Piwczyński et al., 2021 D. Piwczyński, B. Sitkowska, E. Ptak Genetic relationship amo...
This has been previously suggested for Carboniferous coals in Ayrshire (Bullock et al., 2018b) and Jurassic coals in Brora, Sutherland (Bullock et al., 2017). The proximity of the Northumberland coalfield to the Weardale granite in North East England, and the associated Variscan (late ...