Minerals and Rocks
= basic units of Earths materials
Rocks are composed of one or more minerals (or other
solid substances, such as volcanic glass or orga
Rocks, Fossils, and Time
Making Sense of the
Stratigraphy deals with the study of any layered
rocks and their
Almost all sedimentary rocks are stratified
Concepts and Principles
When looking down into the Grand Canyon, we are
really looking at the early history of Earth
Concept of Geologic Time
Geologists use two different frames of reference
when discussing geologic
Dr. Cornelia Winguth
Office hours: Mon/Wed 12-1 p.m., Geosciences 222
817-272-0366 or [email protected]
Course Material available via Blackboard:
(Go to http:/elearn.uta.edu/, login with your NetID and password)
RGB Color Code according to the Commission for the Geological Map of the World (CGMW),
Upper Famennian 24212371197
24112251157 Frasnian 24212371173
25412421236 Tlthonian 21712411247
Upper 25512421211 ,7 f 1 _ Kimmeridgia
Key Geographic Questions
Where in the world do people live and why?
Where do populations rise/fall and why?
Why does population composition matter?
How does the geography of health influence population dynamics?
How do governments