EESA06H3 Chapter 1: Chapter 1.docx
Document Summary
1970s was responsible for bringing together several of the key elements of what we now know as plate tec- tonics theory. Rapidly to a geologist may mean that within a few million years the hill will be reduced nearly to a plain. The earth is estimated to be at least 4. 55 billion years old (4,550,000,000 years). table 1. 1 shows some reference points to keep in mind. In the past, traditional geologists spent most of their time in the field looking (prospecting) for tell-tale signs of minerals: prospectors still rough it in the bush, but now they are called exploration geologists a. Such sediments contain and transmit water, an increasingly important mineral that is studied and protected by hydrogeologists. In greater depth 1. 5: a day in the life of an exploration and mining. In greater depth 1. 6: a day in the life of a petroleum geoscientist.
