It was one of those rainy days when chill mid-November doldrums could bring on the boredom of nothing to do, but not for some Carson City area kids.These kids were at The Children's Museum of Northern Nevada on Saturday morning learning about rocks. The hour-long workshop attracted more than 20, most of them children, but not all.Among the young-at-heart were parents and other adult supervisors, all joining in with their charges to hear the University of Nevada, Reno's D.D. Pointe offer her spiel on geology."I've been doing geology since your parents were born, probably," said the scientist from the Mackay …