Philosophical MagazineTaylor & Francis, 1836 - Physics |
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Page 157
Over it is a deposit which Mr. Darwin describes as chiefly composed of rolled por . phyry pebbles , which he had ... From these facts , he thinks the tertiary deposits of Patagonia may be separated into distinct periods , somewhat ...
Over it is a deposit which Mr. Darwin describes as chiefly composed of rolled por . phyry pebbles , which he had ... From these facts , he thinks the tertiary deposits of Patagonia may be separated into distinct periods , somewhat ...
Page 536
I have before alluded to the fact of secondary shells occurring in the red crag where that deposit is in contact with the ... The point principally deserving notice here is the introduction of these fossils into the present deposits ...
I have before alluded to the fact of secondary shells occurring in the red crag where that deposit is in contact with the ... The point principally deserving notice here is the introduction of these fossils into the present deposits ...
Page 537
... would be regulated by their abundance and by the nature of the deposit in which they were imbedded . ... any reference to the conditions under which a large number of the same fossils have been discovered in the two deposits .
... would be regulated by their abundance and by the nature of the deposit in which they were imbedded . ... any reference to the conditions under which a large number of the same fossils have been discovered in the two deposits .
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Contents
JANUARY 1836 | 1 |
Mr J Tovey on the Relation between the Velocity and Length | 7 |
Mr W J Henwoods Observations on the Steam Engines | 20 |
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according acid action angle appears applied becomes beds body called cause colour Communicated consequently considerable considered containing continued correct course crystals deposits described determined direction distance effect elevation equal equation evident examined exist experiments expression fact feet fissure fluid force formation former formula fossils give given greater heat important inch latter lead length less light lines magnetic manner mass means method nature nearly object observed obtained opinion original passing phænomena Philosophical plane plates portion position present principle produced Professor published quantity rain rays reason reference remains remarkable respect rocks Royal seen shells side similar Society solution species structure substance supposed surface taken theory third tion true whole zinc