GEOL 102 1st Edition Lecture 6Outline of Current Lecture I. Zones within the earthII. LithosphereIII. Asthenosphere IV. Glass blower V. Oceanic lithosphere Current LectureI. Zones within the eartha. Inner corei. Very denseii. Solid iii. Iron, nickelb. Outer core i. Iron, nickelii. Liquidc. Mantle i. Make up most of the earthii. Iron, magnesium, silicon, oxygen d. Crusti. Lowest density ii. Some iron, mostly aluminum, silicon, and oxygen II. Lithospherea. Rock III. Asthenospherea. Sofb. Still a solidIV. Glass blower concepta. Cold things snapb. Hot things bendThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.V. Oceanic lithosphere a. Oceans b. Basalt i. Fine-grained igneous rock1. Crystalized from a liquid rock2. Crystalized quickly 3. Crystalized at the surface of the earth 4. Suspect a volcanic eruption as causeii. Dark colored 1. Caused by high Fe, Mg and low
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