Page:Transactions of the Geological Society, 1st series, vol. 1.djvu/194

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182
Dr. Berger on the physical Structure



Table of the different heights which indicate the table of superposition of the secondary on the primitive rocks in the low mountain chain of Cornwall.

Names of Places. Heights in feet above the level of the sea.
Devonshire
Kithill, near Callington (on the slope) 700 by approx
Ivy-bridge Hill (on the slope) 631
Harford Church, Dartmoor Forest (neighbourhood of) 658
Dartmoor Forest, three miles and a quarter from Tavistock on the road to Two Bridges 1129
St. Mary Tavy (neighbourhood of) 648
Cornwall.
Bodmin Downs, seven miles and a quarter from Launceston 800
Step Aside, a hamlet two or three furlong: from St. Stephen's Church 635
Carn Marth (slope of) one or two miles S.E. of Redruth 543
Tregoning Hull (slope of) about live miles E.S.E. of Marazion 360
St. Michael's Mount It is at a very small elevation, but no having determined accurately, prefer omitting it.
Newlyn, a village about a mile S.S.W. of Penzance
Mousehole 0
White Sand Bay, parish of Sennen 0
Cape Cornwall (cliff) 93

I ought to mention that I only mark the junctions of the grauwacke with the granite, which I observed myself; if it were desired to have the list complete, a great many other localities ought to be added.