Lecture 21 I am Monarcha Scholarum, I am Paracelsus; One whisker on my cheek owns more intelligence...
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Transcript of Lecture 21 I am Monarcha Scholarum, I am Paracelsus; One whisker on my cheek owns more intelligence...
Lecture 21
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
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
The Greeks
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
Aristotle (circa 350 BCE)
Aristotle
Four properties
Four elements
Transmutation of elements
History continues…
Romans (circa 100 BCE to 400 CE)
Dark Ages (circa up to 1000 CE)
Middle Ages (1200, 1300…)
RENAISSANCE
to 1500s
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
Geology? -- THE GREAT DELUGE
Diluvialism
How olde was the Earth?
Bishop Ussher
October 26, 4004 BC, 9:00 am
Interpretations of Geologic History
Diluvialism
Catastrophism
Neptunism
Abraham Werner
Werner
Interpretations of Geologic History
Diluvialism
Catastrophism
Neptunism
Plutonism
James Hutton
Hutton (and Nicholas Steno)
Principle of UNIFORMITARIANISM
Principle of Original Horizontality
Principle of Superposition
Principle of Cross-cutting relationships
Principle of Superposition
Fig. 18-3, pg. 420
Principle of Cross-cutting relationships
Fig. 18-5, pg. 421
Wm. “Strata” SmithCanals
Principle of Faunal Succession
Wm. “Strata” SmithGeologic map of England
Charles Lyell“Principles of Geology”
Major discoveries since Lyell
Importance of glaciers (1840s)
Plate Tectonics (presented, 1915,
accepted, 1960s)