Elbow A crook in the Granite River between Gneiss and Maraboeuf Lakes. Diabase A common intrusive rock with a crystal structure imtermediate between gabbro and basalt . Most commonly encountered as the abbreviation d.b.h. They are among the most abundant phytoplankton in cold waters. Also known as Dicot .
Most North Country flowering plants are dicots.
See Monocotyledon . Dike Rising magma cooling underground which cuts vertically across exisiting rock. More resistant to erosion and glaciation than the surrounding rock, they delineate the long and narrow lakes which are the hallmark of this region. Dioecious Plants having male and female parts on separate individuals. Diurnal An animal typically active during the daylight hours.