[GEOL 101] - Midterm Exam Guide - Comprehensive Notes for the exam (10 pages long!)
Document Summary
**chapter 1 quiz (online today) & syllabus quiz (online today)** Nebular hypothesis: the nebula contracts, the nebula forms a rotating cloud, formation of a proto-sun & planetesimals (early planets, fusion forms. Accretion (formation) of the earth: contraction of nebula forms planetesimals (0. 1-10km, planetesimals continue to grow (>10"skm, etc. Accretion of the earth: formation of the moon: ~4. 5 ga, earth was struck by theia, and object the size of mars, intense heat melts the earth and releases large amounts of debris, the debris coalesces. The earth begins to cool: the moon is formed from this coalesce of debris. Our modern solar system: this order is from denser to less dense, and also from the sun to neptune. The earth"s interior: increase in temp and pressure. Changes the chemical & physical properties of the rocks: rocks may melt, rocks become more dense, dense materials sink, less dense materials float.
