Geology 1: General Geology
taught in the Spring Semester
by Charles C. Plummer
(For my home page, click on blue name)

Meets Tu. Th. 1030-1145 in Mendocino1005 (Spring, 2001)
For information, email: PlummerCC@csus.edu
This is a very visually oriented course.  A great many slides will be shown along with movies and videos.



Topics covered: A photo album

Images in this document are copyrighted
Images with blue or dark border may be clicked on to view a larger image



Plate tectonics
 
Diagram showing convergent plate boundary 
(copyright WCB/McGraw-Hill)



Mountains and Continents
 
The Peruvian Andes
(photo by C.C. Plummer)


The ocean floor
 

 "Black Smoker". Very hot water full of metalic sulfides spewed out into ocean at a mid-oceanic ridge.

(Photo US Geologic Survey) 



Minerals
 
Cubic crystals of fluorite (photo C.C. Plummer)


Igneous rocks
 Two specimens of granite. These solidified deep underground from molten rock (magma).
(Photo by C.C. Plummer)


Intrusive structures
The Sierra Nevada batholith from Mt. Clark. All of the rock is granite and formed deep underground. (photo by C.C. Plummer)


Volcanoes
 The eruption of Pinatubo in the Philipines. 
(Photo by US Geological Survey)

Weathering
Bryce Canyon National Park.  Weathering along vertical cracks has resulted in the pinnacles that you see. (Photo by C.C. Plummer)


Sedimentary rocks
Nearly horizontal layers of sedimentary rocks that formed in an ancient sea. The region was later uplifted and carved into the Canadian Rocky Mountains.
  ( Photo by C.C. Plummer) 
Man on right was Jake Breitenbach, who was the first American killed on Mt. Everest.


Metamorphic rocks
Photomicrograph of metamorphic rock seen through polarized light.
  (photo by C.C. Plummer)

Geologic Time
 

Grand Canyon, Arizona. Over a billlion years of geologic history is exposed here.
(photo by C.C. Plummer)

Click for enlargement


Evolution of atmosphere
   (no photo)


Precambrian History

 Precambrian rock in Ontario, Canada that has been deformed.  It is over 1,000 million years old. (photo by C.C. Plummer)

Click to enlarge


Fossils

 Crinoid fossils. These animals lived on the sea floor over 250 million years ago. 
(photo by C.C. Plummer)

Click on image to enlarge



Life through time
 
Dinosaur bones (upper part of picture) at Dinosaur National Monument.  Dinosaurs existed from around 200 million to 65 million years ago.
(Photo by C.C. Plummer)




    Click here to continue--more photos


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