I am Maria Walter, working as a Geologist. A geologist is a scientist who studies the solid, liquid, and gaseous matter that makes up the Earth and other terrestrial planets, as well as the processes involved. Last week I went out and discovered new things like . This is a very important subject for me. As a geologist we work on projects to locate and advise on the extraction of minerals, petroleum and groundwater.We observe how natural processes affect the earth, how the natural environment is affected by the earth's materials, and aim to understand the chronology of the earth's materials.