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Organic remains, abundant in Barbadoes |
237
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──────── of the Chalk in Cambridgeshire |
250
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──────── of the Limestone of Somersetshire |
369
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Pearlstone porphyry, occurs in the Basalt district of the North of Ireland |
190
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Pecherz, found in Cornwall |
113
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Phillips, Mr. W. On the Oxyd of Uranium the production of Cornwall |
112
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Pinite, found in porphyry near Glen Tilt |
308
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Pitchstone, of a singular character found in Sky |
94
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──── porphyry, occurs in the basalt district of the North of Ireland |
190
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Porphyry, in the North of Ireland, described |
143
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──── occurs in the basaltic area of the North of Ireland |
189
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──── singular variety of, found in Glen Fernat |
310
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Prehnite, occurs in trap veins in Sky |
80
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Quantock hills, in Somersetshire, described |
339
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Quartz rock, one of the oldest rocks in Sky |
28
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────── and Mica slate generally found alternating |
28
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────── appears to have been stratified in Sky |
30
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────── numerous Trap veins in, in Sky |
30
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────── in contact with and conformable to beds of red sandstone, at Ord, in Sky |
30
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────── Limestone with shells between beds of |
31
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────── Limestone and red sandstone alternating with |
31
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────── contact of other stratified rocks with, at Loch Eishort, in Sky |
31
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────── dark blue stratified with beds of clay slate |
32
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────── superimposed on the granite in Glen Tilt |
303
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────── passing into granite in Glen Tilt |
293
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Red hills, in Sky, described |
14-68
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Red marle, in the North of Ireland, described |
131
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Red sandstone, its position, in Sky |
34
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