**Earth Through Time.
GEOL 102. (3 hrs.)
An introduction to the immensity
of geologic time, and a review of the history of the earth and the life
upon it. Three hours rec. a week. Pr.: GEOL 100
**Geology Laboratory.
GEOL 103. (1 hr.) Field and laboratory investigation
of minerals, rocks, and fossils; use of maps; environmental studies;
erosion, transportation, sedi-mentation. Lab to accompany GEOL 100,
102,105, or 125. See line schedule for days and times. All sections meet
in T109.
**Historical Geology Laboratory.
GEOL 301. (1 hr.) Field and laboratory
investigations of the history of the earth and its fossil record. Dept.
majors only. Pr.: GEOL 102
**Mineralogy.
GEOL 502. (3 hrs.) Crystallography; physical and chemical
properties of minerals; descriptive mineralogy. Two hours lec. and three
hours lab a week. Pr.: GEOL 100 or 105, 130, and CHM 230. M-W 8:30, T216
**Petrology.
GEOL 503. (3 hrs.) Petrology of igneous, metamorphic, and
sedimentary rocks. Two hours lec. and three hours lab a week.
**Geomorphology.
GEOL 520. (2 hrs.) Laboratory exercises in reading and
interpreting topographic maps and aerial photographs; field studies of
landforms and surficial deposits, with an emphasis on earth-surface
processes.
**Structural Geology.
GEOL 530. (3 hrs.) Mechanics of the earth's crust;
origin and interrelation of structures of the earth. Two hours rec. and
three hours lab a week.
**Field Methods.
GEOL 560. (3 hrs.) Introduction to methods used to
collectgeologic data in the field. One hour rec. and four hours lab a
week.
**Invertebrate Fossils.
GEOL 581. (3 hrs.) Systematics, biology, ecology,
and preservational environment of ancient life, with emphasis on marine
invertebrates and calcareous algae. Six hours lab/lecture a week.
Pr.:GEOL 502 and junior standing.
**Stratigraphy-Sedimentation.
GEOL 630. (3) Description, classification,
correlation, chronology, and paleogeography of sedimentary rock systems
and the depositional environments in which they formed. Three hours rec.
and three hours lab a week.
**Geophysics (or Geochemistry).
GEOL 640. (3)
Introduction to the broad area of solid earth geophysics
and exploration geophysics, such as plate tectonics,
earthquakes, structure and dynamics of the Earth's
deep interior, and geophysical exploration for natural
resources. Two hours lecture and two hours lab a week.