Batholiths are almost always made mostly of felsic or intermediate rock-types, such as granite, quartz monzonite, or diorite (see also granite dome).
The best method is to cook the frozen corn dogs in the conventional oven by baking them. Preheat your oven to 375 degrees F and bake the frozen corn dogs for 16 to 20 minutes in the middle rack, placed on a baking sheet.
I always remove the outer husks and leave some husks on, then cook it in the microwave for 3 minutes per ear, 5 minutes for two ears. Much less mess. It stays hot for a long time so if I'm doing a lot I just cover the done ones with a towel to keep them warm. Also, just read a new hint for freezing the corn.