Excerpt:
A few miles farther on, we came to a big, gravelly roadcut that looked like an ashfall, a mudflow, glacial till, and fresh oatmeal, imperfectly blended. "I don't know what this glop is," [Kenneth Deffeyes] said, in final capitulation. "You need a new geologist. You need a Californian."
John McPhee, Assembling California, p. 11 [The Noonday Press; Farrar, Straus and Giroux, 1993]