Lecture 2 333-S&R-1




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Physical Geology 1330 Dr. Mike Murphy

116-S&R 1 mmurphy@mail.uh.edu

Lecture 2 333-S&R-1


www.uh.edu/~mamurph2/homepage.html

Today’s Outline




Nebular Hypothesis –


A.
B.
C.
D.

Fig. 1.5 P&S





Fig. 1.7 P&S




Internal Structure of the Earth –

Compositional layers


Crust
Mantle
Core

Mechanical Layers –

The strength of Earth’s materials is a function of

1.

2.

3.



4.
Lithosphere -
Asthenosphere -
Moho – Mohorovic Discontinuity
Mantle –
Core -

Uniformitarianism -

Plate Tectonics


  1. Defined as the set of ideas explaining the observed motion of the Earth’s lithosphere through the mechanism of subduction and seafloor spreading, which in turn, generates the Earth’s major features, including continents and ocean basins.

Three types of plate boundaries:




  1. Divergent


  1. Convergent


  1. Transform

Divergent plate boundaries

Characteristics:


Example

Convergent plate boundaries

Characteristics:
Example
Transform plate boundaries

Characteristics:


Example:

Three Rock Types


Igneous –

Sedimentary –


Metamorphic –




The Rock Cycle –


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