Monthly Archives: January 2009

5. Unconformity

Posted on 27/01/2009 by Vitor Pacheco

A sediment is a mass of material that originates from the weathering and or erosion of the earth’s surface substances which, in the majority of cases, have been transported and deposited elsewhere. Naturally, the transporting agents are the same as … Continue reading →

Posted in Geology, Unconformity | 2 Comments

4. Erosion

Posted on 22/01/2009 by Vitor Pacheco

According to the American Geological Institute Glossary, erosion is the natural process whereby the materials of the earth’s crust are loosened or worn away and simultaneously removed to another place. These natural processes, in an increasing order of power, are … Continue reading →

Posted in Erosion, Geology | 4 Comments

3. Weathering

Posted on 18/01/2009 by Vitor Pacheco

3.1 Initial Stage Weathering is the chemical alteration caused by the atmospheric water in vapor and/or liquid form, due to the reacting agents carried in solution. Thus, this was the first step in the alteration of the original consolidated rocks … Continue reading →

Posted in Geology, Sedimentary Rocks, Weathering | 5 Comments