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Trap tuff, in Sky |
59
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Tremolite, found abundantly in the marble of Glen Tilt |
285
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─────── peculiar granular variety found in Glen Tilt |
288
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─────── of Cornwall. The Rev. W. Gregor on |
399
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Uranium. Mr. W. Phillips on the Oxyd of, of Cornwall |
112
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Veins of trap, in Sky |
75
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────────── two sets of different ages |
76
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──── of clinkstone, in Sky |
78
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─── frequency of, at Strathaird in Sky |
79
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Vein, of greenstone, in Glen Tilt |
281
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──── large limestone, in the conglomerate of Somersetshire |
357
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──── of sulphate of barytes, in the limestone of Cannington Park |
365
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Wacke, balls of, contained in a calcareous vein in chalk |
173
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──── interstratified with chalk in a conformable position |
173
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──── of the North of Ireland, described |
187
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Wells, in the chalk of the Lincolshire Wolds communicate with the sea |
393
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Whin dykes, of Fairhead, described |
205
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Wood Coal, occurs in the North of Ireland |
188
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Zeolites, abundant in the trap, in Sky |
10
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────── resist decomposition for a long time |
10
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────── found in great quantities in the Storr, in Sky |
16
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────── abundant in the amygdaloidal trap, in Sky |
58—188
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────── description of the, in Sky |
82
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────── cubic, found in the North of Ireland |
188
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