From German - English Ding/FreeDict dictionary ver. 1.9-fd1: Malm /mˈalm/ <masc, n, sg> [geol.] Upper Jurassic <n>, Malm <n> Note: series; epoch Synonym: Oberjura
Malm /mˈalm/ <masc, n, sg> [geol.] Upper Jurassic <n>, Malm <n> Note: series; epoch Synonym: Oberjura