Another snippet of a flash

Here's another snippet of a flash fiction I've been working on. I think it's about ready. For those of you who aren't familiar with my family, it's more or less autobiographical.

The Molten Core

My father was a man of stone and earth. His figure and face seemed square or rough as if chiseled by a sculptor only half done. Even his nature was quiet and steady, preferring to reflect before acting, growling before barking. He was a geologist, and I can’t remember a time when there wasn’t dirt beneath the crescents of his fingernails or mud tracing the treads of his boots. We spent family vacations visiting canyons, geysers, and mountain ranges. “Look,” he would say, directing our attention to a valley formed by the creeping movement of glaciers thousands of years ago. “Isn’t that amazing?”