1837 32 304 This labradoritic formation commences at the valley of the Schroon river, and extends westerly.
1907 May 934 The various gabbro and labradoritic rocks of the eastern Adirondacks.
2008 T. Schlüter (ed. 2) iv. 202/1 The lavas are generally labradoritic basalts, almost without olivines.