GL101 Study Guide - Fall 2018, Comprehensive Midterm Notes - List Of Rocks On Mars, Volatiles, Uniformitarianism
Document Summary
Chapter 1 the science of geology: geology: geo earth, logos discourse. Earth geology is divided into broad areas: physical geology: examines earth materials; process on and beneath the surface, historical geology: aim is to understand the origin of earth and development through time. Geology, people and the environment: natural hazards, resources, world population, environment. This information comes from outcrops where bedrock is exposed at the surface. Geology, people and the environment: natural hazards are part of living on earth, hazards are simple natural processes, but they become hazards only when people try to live where these processes occur. Law of superposition younger rock layers are deposited over older rock layers. The layers of sedimentary rock, the youngest layer is on top, and oldest is at the bottom. Plate tectonics: a geological paradigm: continental drift alfred wege(cid:374)er (cid:894)1915(cid:895) proposed (cid:272)o(cid:374)ti(cid:374)e(cid:374)ts (cid:373)o(cid:448)ed o(cid:374) earth"s surfa(cid:272)e, plate tectonics current understanding of how continents move.
