Lecture 21
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I am Monarcha Scholarum , I am Paracelsus; One whisker on my cheek owns more intelligence than all of you! Come, let me fill you with stories of men- Not just of men - but of scientists! - Paracelsus History of Geology and the interpretation of strata . Lecture 21.

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Lecture 21

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I am MonarchaScholarum, I am Paracelsus;One whisker on my cheek owns more intelligence than all of you!Come, let me fill you with stories of men-Not just of men - but of scientists! - ParacelsusHistory of Geology and the interpretation of strata

Lecture 21

Webpage for course (daytime)

Webpage for course (nighttime)


Changes to schedule:

Lab final moved back 1 week

from 12/1 to 12/8

Lecture Test III moved from 12/7 to 12/2

(12/6 to 12/1 nighttime class)

For revised syllabus, see

http://www.umpi.maine.edu/~mccartnk/pg10fdrv.htm


Determined the Earth was round

Estimated its approximate size

Some advanced idea that Earth @ Sun

Built steam engines, accurate clocks

One (Archimedes) believed fossils to be remains of ancient animals

The Greeks


The Greeks

Aristotle (circa 350 BCE)


Aristotle

Four properties

Four elements

Transmutation of elements


Romans (circa 100 BCE to 400 CE)

Dark Ages (circa up to 1000 CE)

Middle Ages (1200, 1300…)

RENAISSANCE

History continues…


Double, double, toil and trouble

Fire, burn and cauldron bubble

Filet of a fenny snake

In a caudron boil and bake

Eye of newt, toe of frog

Wool of bat and tounge of dog…

For a charm of powerful trouble

Like a hellbroth boil and bubble

to 1500s


Diluvialism

Geology? -- THE GREAT DELUGE


Bishop Ussher

October 26, 4004 BC, 9:00 am

How olde was the Earth?


Diluvialism

Catastrophism

Neptunism

Abraham Werner

Interpretations of Geologic History


Werner


Diluvialism

Catastrophism

Neptunism

Interpretations of Geologic History

  • Plutonism

  • James Hutton


Principle of UNIFORMITARIANISM

  • Principle of Original Horizontality

  • Principle of Superposition

  • Principle of Cross-cutting relationships

Hutton (and Nicholas Steno)


Principle of Superposition

Fig. 18-3, pg. 420


Principle of Cross-cutting relationships

Fig. 18-5, pg. 421


Wm. “Strata” Smith

Canals

Principle of Faunal Succession


Wm. “Strata” Smith

Geologic map of England


Charles Lyell

“Principles of Geology”


Major discoveries since Lyell

Importance of glaciers (1840s)

Plate Tectonics (presented, 1915, accepted, 1960s)


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