a22 Unconformities interpreted by Hutton
Page 040-041
1 T or F: By 1785 Cowper had learned that Earth was far older than most had previously
assumed.
2 T or F: Hutton and Clerk found fossils Southern Uplands of Scotland.
3 T or F: Strachy (1671-1743) was the first to describe (but not name) an angular
unconformity.
4 T or F: Jameson explanation of an angular unconformity at Burnswark Hill, Scotland, awed
Darwin.
5 T or F: Playfair and Halls uncle were on a field trip with Hutton to Siccar Point.
| Cowper | quote |
| Southern Uplands, Scotland 040-01-01 geomap 040-01-02 pics 040-01-03 tectonics |
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| Lake District, England 040-02-01 map 040-02-02 pics |
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| James Hutton 040-03-01 short bio 040-03-02 portrate 040-03-03 long bio |
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| Burnswark Hill 040-04-01 hist 040-04-02 pic |
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| Angular unconformity 040-05-01 movie 040-05-02 pics 040-05-03 GrndCan |
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Page 042
1 T or F: A Steno valley-fill style of unconformity is well exposed in the Isle of
Arran.
2 T or F: John Clerk of Eldin exaggerated the section he drew of the cut bank of the
River Jedd.
3 T or F: The shistus at Siccar Point to which Playfair refers is more
accurately described as folded graywacke.
| 042-01-01 maps | ![]() |
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| River Jedd, 1887 042-03-01 |
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Page 043
1 T or F: Devonian Old Red Sandstone strata are unconformable upon Silurian greywacke
strata.
| Siccar point, 1788 043-01-01 geol |
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| Playfair, essay | Description of Siccar Point |
| Lammermuir Hills 043-01-01 |
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