GEOL 105 Lecture Notes - Lecture 3: Landform, Phyllite, Oolite
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4/11/16 7:09 pm (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Fibrous minerals: white asbestos (less harmful), blue asbestos (hazardous) (cid:1) Removal of asbestos : depending upon the properties of the asbestos used and the context in which they are used (cid:1) * only a problem if you breath asbestos in. In the silicate minerals. (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Important clues for the history of earth. Knowledge of minerals and rocks as the first important step to better manage earth resources (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) All matter, including minerals and rocks, made of atoms (cid:1) Atom structure: nucleus ( proton/ neutron) and surrounding electrons (cid:1) Atomic number: the unique number of protons in an element"s nucleus (cid:1) Atomic mass number: the sum of the number of protons and neutrons (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Ion: charged atom particles, reactions between different types of atoms (cid:1) Isotopes: atoms of the same element with varied number of neutrons (cid:1)
