GEOL 101- Midterm Exam Guide - Comprehensive Notes for the exam ( 43 pages long!)
Document Summary
Magnetic polarity reversals are recorded in the ocean crust. Plate tectonics- unifying theory: accounts for earth"s history, including distribution of life and climate change, explains the distribution of geologic hazards, tells us where to look for valuable resources, including oil, gas, coal, and economically important minerals. Three types of plate boundaries: wilson proposed that tectonic plates interact in 3 different ways along their boundaries. Drainage basing- a land area drained by a stream and its tributaries. Only . 03% of all water on earth is running water in streams and lakes. Stage: measurement of the height of the water level of a river, not generally the same as depth- different at different points, arbitrary zero is chosen for given point. Discharge: amount of water owing past a speci c place along stream, depends on water velocity and cross sectional size of a stream, water cross section x velocity (cubic meters/sec)
