Seismic Body Waves
The fastest wave (Primary)
Involve volume change (Compression)
Can propagate both in solid and in liquid
The next fastest (Secondary)
Involve shape change (Shea
Chapter 13: Meteorite
Iron Meteorites (~5%)
Silicates and Metal
Contain chondrules (Spherical silicate inclusions)
Chapter 1: Origin of the Earth
Origin of the Universe (13.8 Ga)
The Big Bang Theory
Proposed by Edwin Hubble in 1929
Almost all galaxies are moving away
A. The further a galaxy is away, the faster it is moving away
Plot speed vs. distance for
Chapter 26: Climate Change
a. Is Global Warming real?
b. Is any warming made made?
Greenhouse gases increase
i. ~400 ppm, 90%
ii. Strong correlation between CO2 and
temperature over the last 650,000
iii. As CO2 incre
Study Guide for Exam 1
Lecture 1: How old is the universe? 13.8g
How old is the solar system? 4.56g
What are the major differences between the inner and the outer planets? Inner
planets (terrestrial) are denser 4.5-5.5 with few moons outer planets (jovian
1) Experiment 1
a)What is happening to the sand as it is swirled around? The sand separates by density with the
black sand on the bottom.
b)Where would you look for gold dust or diamonds on natural beaches? I would look for
1) What sort of sedimentary rocks do you see?
Shale and sandstone
2) Are they well sorted or poorly sorted?
Layering is seen, layers of sandstone.
3) What sort of sedimantry structures do you see?
Lab #9 take home
1) The approximate annual variation in atmospheric CO2 is 5.00 parts per million
2) a) In 50 years, the atmospheric CO2 will be at about 450.0 parts per million.
b) In 100 years, the atmospheric CO2 will be close t
Answer the questions about geomorphology and local rock types asked in the
descriptions for stops 1, 2, 3, and 4.
The pond is formed by glacial retreat that formed the depression in which the pond sits.
What can you
Lab 10: Outcrop examination
1. Found classic sedimentary rocks, shale, and siltstone. Very fine grain sizes
between <1/256mm 1/16mm.
2. The rocks are poorly sorted.
3. There is evidence of layering, burro
Take a Hike
The pond was formed by a cirque. The south side is steeper. There is a dam.
The stream is cut into f
Top Ten Things Ya Just Gotta Know
1a. What is the Big-Bang theory, and what evidence do we have to
suggest that it is correct?
The Universe formed as a result of a super explosion.
Most galaxies in the unive
Tertiary = Neogene & Paleogene
Age of Mammals
Columbia River lavas
Geology 111 Lecture 20
The first 4 Billion years:
The Proterozoic Eon
and the development of life
Wopmay Early Phase
Shallow water shelf sequences first
appear in the Proterozo
The first 4 Billion years:
Geologic Time Scale:
subdivided into eons (largest time unit)
epochs (smallest time units)
For the most ancient rocks, it is convenient to use eons;
For the youngest, it
Text Book Review:
You can review up to 1 chapter per week to get some extra credit. Your review
should be less than 1 page, and must be typed. or very neatly written.
The overall strategy of the book is to present just the essential material that is
Lab 3 - Geology 111
1- It seems to me that the pink color was caused by the trace component iron. I believe
that the white lines which crisscross the stone are formed due to crystallization;
diffraction is also occurring.
2- The layers of the rock
Tuesday, April 25, 2017
1. Shale (smoother), siltstones (grittier); there was also sandstone.
2. Well sorted.
4. High Energy
5. Yes, the top has larger scale units.
6. Shallow Ocean
Tuesday, January 24, 2017
Laboratory 1: Minerals
1. a. form: hexagonal
b. habit: plates
c. form: hexagonal
d. form: dodecahedron
e. habit: botryoidal
f. habit: dendritic
2. a. cleavage: 6 (fair)
b. cleavage: 3 (poor)
Tuesday, January 31, 2017
- Tray 1: Sedimentary Rock
A. Siltstone: Clastic, Fine Grain Size
B. Coal: Biological, Very Fine Grain Size
C. Coquina: Biological, Coarse Grain Size
D. Radiolarian Chert: Biological, Fine Grain Size
1 March 2017
Laboratory #4: Rock Textures
Assignment #1: Sedimentary
The grain size distribution of rock specimen 1A, olitic Limestone, was variable; the shape of its
grains were rounded, the relationship between the grains was interpenetrating (but somew
February 23, 2017
Laboratory Report #2: Rocks
Station 1: Sedimentary Rocks
Specimen 1A was Sandstone, a clastic sediment with a beige tone and very fine grains.
Specimen 1B was Coal, a black, reflective biological sediment which was somewhat soft to the