GEO 103 Lecture 7:
Rock-Forming Mineral Groups
What are the Types of Minerals?
_: silicate anion, SiO44- bonded to cation (Na, K, Ca, Mg, Fe,
_: carbonate anion, CO32- bonded to cation (Ca, Mg)
_: oxygen bonded directly to metal (Si or C not involv
How Do Rocks Deform?
Reading: Chapter 10, pages 274-278
What causes rocks to deform?
What are the types of deformation?
How does a rock deform as increasing stress is applied?
What are the differences between brittle and du
GEO 103 WEEK 8:
Review: Rock Types and Classification
Three types of rocks formed in different ways:
1. Igneous rocks: cooling and crystallization of magma
2. Sedimentary rocks: surface processes (weathering, erosion, etc)
3. Metamorphic rocks:
GEO 103 Week 5:
Keepers of Earths History
What is a Depositional Environment?
Clues to depositional environment of a sediment:
What is Stratification?
Strata or beds
Has unique size, shape, or composition of sediment
What is Gr
GEO 103 Lecture 17: Structural Geology: Folds
Reading: Chapter 10, pp. 278-292
What are the different types of geologic structures?
How do we describe the orientation of geologic structures?
What are the different types of folds?
GEO 103 Lecture 15
Metamorphic Grades and Facies
Reading: Chapter 8 pages 226-230 and 238-242
What are metamorphic grades?
What textures are associated with different grades and how do those textures
What are metamorphic faci
GEO 103 Lecture 6:
What is Magma?
Liquid silicate based with 50-90% Si-Al-O
Gases -dissolved or exsolved (bubbles)
Solids- crystallizing minerals or unmelted residual rock
Magma = mix of silicate liquid (melt), dissolved gases, exsolved bubbles,
Geo 103 Lecture 4:
Plate Boundaries and Hot Spots
Reading: Pages 54-68 in textbook
What are the types of plate boundaries?
What happens at divergent plate boundaries?
What happens at convergent plate boundaries?
What happens at transf
GEO 201 Physical Geology- Lecture Exam #1 Study Guide
Wednesday, October 19 from 1-1:50 pm in Covell 216
The midterm will consist of 4 essay questions, each worth ten points and 35 multiple choice
questions, each worth one point. Bring a pencil or two for
One of the major volcanoes in Alaska is Redoubt, located in the south central area. This
is a stratovolcano, meaning it is made up of lava and ash, in alternating layers (Redoubt
Descriptions and Statistics). The plates involved in this area