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Aikin Arthur, Esq. Observations on a bed of Trap occurring in the colliery of Birch hill in Staffordshire |
251
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Alluvial Formations of the North of Ireland |
193
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Alluvial land, small quantity in Sky |
18
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Analcime, found abundantly at Talisker in Sky |
82
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Antrim, Description of the Sections presented by the Coast of |
196
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Asbestus, its soft state while in the bed |
285
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Barbadoes, Dr. Skey's remarks on the structure of |
236
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──────── Successive terraces of different elevations in |
237
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Barytes, Sulphate of, Vein of, in the limestone of Cannington Park |
365
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Basalt, stratified, enormous mas covering secondary strata in the North of Ireland |
129
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────── Extent of the area of, in the North of Ireland |
179
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──────Tabular, in the North of Ireland |
181
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────── Columnar, in the North of Ireland, described |
181
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────── Mr. Conybeare's arguments in favor of its igneous origin |
208
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────── Large spherical mass of, enveloped in the chalk on the coast of Antrim |
212
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────── overlying the chalk in Antrim and Derry, described |
198
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Basaltic Dykes, effect produced by their traversing chalk in the North of Ireland |
172
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────────── remarkable one traversing the red sandstone of the Coast of Antrim |
200
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Basaltic group of Mountains in the North-East of Ireland described |
127
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Berger, J. F. M.D. On the Geological Features of the North-Eastern Counties of Ireland |
121
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────────────── On the Dykes of the North of Ireland |
223
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Bitumen, found in Barbadoes |
241
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Blaven, in Sky, situation of the mountain so called |
12
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