Philosophical MagazineTaylor & Francis, 1836 - Physics |
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Page 318
Mr. Murchison has also shown that rocks occupying a large coast tract in Pembrokeshire , which from their mineral aspect had been laid down as " greywacke " , consist of true coal - measures . After noticing a ridge of intrusive rocks ...
Mr. Murchison has also shown that rocks occupying a large coast tract in Pembrokeshire , which from their mineral aspect had been laid down as " greywacke " , consist of true coal - measures . After noticing a ridge of intrusive rocks ...
Page 565
Trap Rocks . — Of these there are distinctly two classes : 1 , Bedded , and synchronous with the formation of the older rocks ; 2 , Posterior and intrusive . Of the former there are no examples like those cited in West Salop ...
Trap Rocks . — Of these there are distinctly two classes : 1 , Bedded , and synchronous with the formation of the older rocks ; 2 , Posterior and intrusive . Of the former there are no examples like those cited in West Salop ...
Page 493
Lickey Quartz rock , Caradoc sandstone , ( Lower Silurian rocks . ) Dr. Buckland first called the attention of geologists to the Lickey quartz rock * ; and , showing that it had been one of the principal magazines of the quartz pebbles ...
Lickey Quartz rock , Caradoc sandstone , ( Lower Silurian rocks . ) Dr. Buckland first called the attention of geologists to the Lickey quartz rock * ; and , showing that it had been one of the principal magazines of the quartz pebbles ...
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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