Transactions of the Geological Society, 1st series, vol. 3/Index

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

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Bogg, Mr. Edward. A Sketch of the Geology of the Lincolnshire Wolds	392
Bale or Ochre, occurs in beds in the North of Ireland	186
Calcareous stalactites in caves in the trap in the Isle of Rathlin	194
Cambridgeshire, The Rev. J. Hailstone, on the Geology of	243
Carbon, an ingredient in some traps	9
Carbonate of Lime, found in the trap in Sky	91
Cardona, in Spain. Dr. Traill on the Salt Mines of	404
Caves, numerous in the cliffs of secondary strata at Loch Slapin, in Sky	S5
──── abounding in stalactitic concretions, in Sky	25
Chabacite, found at Talisker in Sky	83
──── abundant at Storr in Sky	83
Chalk, in the North of Ireland, described	139
──── Formation of the North of Ireland, described	169
──── extent of the formation of, in the North of Ireland	114
──── in the Lincolnshire Wolds, peculiar circumstance in the springs of	393
Chlorite slate, Mica slate passing into, in Sky	29
Clay, beds of, in connection with the Salt of Cardona	406
Clay slate, Mica slate passing into, in Sky	29
──────── stratified with dark blue quartz rock, in Sky	32
──────── interstratified with the beds of red sandstone, and sometimes passing into graywacke slate, in Sky	36
──────── among the flœtz rocks of Werner	31
──────── effect produced by a large whin dyke traversing it, in Antrim	205
Clinkstone, in Sky	66
──────── porphyry occurs in the North of Ireland	196
Clinometer, Lord Webb Seymour's Description of one	385
──────── may be applied in guaging	391
Coal, occurs in Sky	97
──── found at Tyrone in Ireland	125
──── Ballycastle in Ireland	126
──── altered by contact with greenstone in Staffordshire	253

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Coal, pieces of, found in the alluvium of the Lincolnshire Wolds	398
──── formations of the North of Ireland, described	154
──── measures, strata similar to those covering the, in England found beneath the basalt in the North of Ireland	129
Conformity of primary and secondary strata in Sky	50
Conglomerate, of the South Western pitt of Somersetshire, described	356-358
Contortions, of the slaty strata of Somersetshire	346
Conybeare, Rev. W. Introduction to Dr. Banana's account of the Geological Features of the North Eastern Counties of Ireland	121
───────────── Descriptive notes referring to the Outline of Sections presented by a part of the Coasts of Antrim and Derry	196
Copper ore, found in the limestone of Somersetshire	344-352
Coruisk, Lake, in Sky,	24
Corundum, C. T. Swedensterinas account of the, from Gellivara in Lapland	415
Cuchullin hills, in Sky, described	12
────────── Geology of the	41
Decomposition, of Trap assisted by tillage of the soil covering it	11
──────────── of the Red hills in Sky more rapid than the Cuchullin 14
Denudation, of Strata in the North of Ireland	129-132
Derry, Description of the Sections presented by the Coast of	126
Dykes, in the North of Ireland, Dr. Berger	223
──── their direction generally parallel	224
──── cut through metallic veins	231
──── Rocks of which they are composed	228
──── Minerals found imbedded in	220
──── of Monte Somma in Italy, described	233
Elevations, of places in the North of Ireland, by Dr. Berger	217
Epidote, found in Sky	91
Esmark Professor, Description of a new Ore of Tellurium	413

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Flœtz rocks, in the North of Ireland, described	152
Flinty slate, containing Ammonites at Portrush	213
──────── covered by Trap in Sky	98
Fossil remains, of the Green sandstone of Ireland	169
────────── of the Chalk of Ireland	169
Foy, mountain, near Carlingford, chiefly composed of Primitive Trap	140
Garsven, mountain in Sky, durable nature of	24
──── its base composed of Red sandstone	37
──── in Sky composed of large grained Greenstone	65
Geology, may be of service to agriculture	9
Gillan, in Sky, order of the beds at	44
Glamich mountain, in Sky, consists of Syenitic rock and Clinkstone	14
────────── affects the magnetic needle	95
Glen Tilt. A Geological Description of, by Dr. Mac Culloch	259
──── connection of its granite with that of the Grampian hills	302
──── General Geological Description of	311
Granite, the prevailing constituent of the Mourne mountains	122-134
──── and Syenitic granite are geologically the same rock	227
──── circumstances attending its contact with the stratified rocks in Glen Tilt	312
──── found in the South Western part of Somersetshire	348
──── veins, passing through Schist and Limestone in Glen Tilt	268
Graydon, The Rev. George, on the Dykes of Monte Somma in Italy	238
Green sand, underlying the Chalk in the North of Ireland . 130
──────── reposes immediately on Lias in the North of Ireland	130
Greenstone, occurs in Sky	59
──────── its characters there	63
──────── occurs in the North of Ireland	142
──────── of the North of Ireland, described	184-204
──────── Vein of in Glen Tilt	281
──────── porphyry, occurs in Sky	69

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Greenstone slate, occurs in the Mourne mountains in the North of Ireland	142
Gregor, The Rev. W. Ou the Tremolite of Cornwall	399
Greystone, occurs in the North of Ireland	186
Greywacke, and Greywacke slate, in the North of Ireland, described	146
──── of Somersetshire, described, by Mr. Horner	345
Gypsum, contained in large quantities in the red sandstone near Watchet	375
Hailstone, The Rev. J., Woodwardian Professor, &c. on the Geology of Cambridgeshire	243
Hornblende, crystallized in Sky	59
──── found in the granite of the Mourne mountains	135
──── with Mica occurs in the North of Ireland	143
──── slate, in the North of Ireland, described	140
──── rock, in the North of Ireland, described	140
Horner, Leonard, Esq. F.R.S. Sketch of the Geology of the South-Western part of Somersetshire	338
Hypersthene, found in Sky	66-92
──── in Aberdeenshire	93
Ichthyophthalmite, found at Dunvegan in Sky,	90
Induration, of Mineral substances after taking them from their beds	286
Ireland, Geological Sections of the Coasts of Antrim and Derry, described	196
──── The Rev. W. Conybeare on the Geological Features of the North Eastern Counties of	121
──── Dr. Berger on the Geological Features of the North Eastern Counties of	121
──── and Scotland, similarity in the Structure of part of	123-124 125-131
Junction, remarkable one at Glen Tilt.	274

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Kenbaan cliffs, on the Coast of Antrim, described	209
Kyle ric'h, District in Sky, consists of Quartz rock	8
──── Mountain above, composed of dark blue Quartz rock	33
Laumonite, found in Sky	90
Lias. See Lyas.
Limestone, bed of compact, containing shells, included between beds of Quartz rock near Gnllan in Sky	30
────── and Sandstone alternating with Mica slate near Borrereg in Sky	31
────── its position and characters in Sky	38
────── reposes on Syenite at Kilbride in Sky	89
────── alternating with shell Limestone near Borrereg	41
────── its characters when in contact with Syenite in Sky	42
────── its contact with Trap at Loch Eishort in Sky	43
────── primitive, in the North of Ireland, described	139
────── a subordinate member of the mica slate formation in the North of Ireland	139
────── transition, in the North of Ireland, described	147
────── alternates with Transition trap and Greywacke slate, in the North of Ireland	147
────── Flœtz, associated with the Coal formation, in the North of Ireland, described	162
────── abounding in veins of Granite, in Glen Tilt	265
────── fibrous, found in Glen Tilt	290
────── of Glen Tilt, described	304
────── containing Madrepores, interstratified with slate, in Somersetshire	344
────── Beds of, enveloped in slate, in Somersetshire	350
────── Quarries, in the South Western part of Somersetshire, described	351
────── near Halsey cross, described	353
────── large Vein of, in the conglomerate of Somersetshire	357
────── of Cannington Park, described	365
────── Columnar distinct concretions in, in Somersetshire	369
────── of Somersetshire, Organic remains in	369
Lincolnshire Wolds, Mr. Bogg's Sketch of the Geology of	393

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Londonderry, Primitive mountain chain oi§ described	123
Lyas limestone, in the North of Ireland, described	130
── formation, in the North of Ireland, described	164
── of the South Western part of Somersetshire, described	367
── its junction with the red sandstone in Somersetshire	374
── its most western point in England is East Lynch	379
Lydian stone, found at Duntulm in Sky	98
Mac Culloch, John, M.D. Sketch of the Mineralogy of Sky	1
──────── A Geological Description of Glen Tilt	259
Magnet, Various rocks in Glen Tilt affecting the	324
Marble, at Strath in Sky, described	101
──── Observations on various sorts of Statuary	104
──── of Sky varying in hardness from the Trap veins traversing it	110
──── of Glen Tilt, described	282
Marie, Remarkable bed of, in the Green Sandstone of Londonderry	168
── containing land shells in Glen Tilt	316
Mesotype, found in various states in Sky	86
Mica slate, one of the oldest rocks in Sky	28
────── and Quartz rock generally alternating	28
────── its situation in Sky	28
────── found passing into Clay slate, Talc slate, and Chlorite slate, in Sky	29
────── contact with other stratified rocks at Loch Eishort	31
────── Numerous Trap veins in, in Sky	30
────── very generally distributed over the North of Ireland	136
Mourne Mountains, in Ireland, described	122-134
Mulattoe, the name given in Ireland to the Green sand	130
Murloch Bay, on the Coast of Antrim, described	203
Nomenclature. Dr. Mac Culloch's Observations on that of certain rocks	335

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

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Red sandstone, alternates with schist, at Loch Eishort in Sky	35
──────── interstratified with beds of schist, in Sky	36
──────── in Sky lie between limestone and quartz rock	37
──────── its characters	37
──────── in the North of Ireland, described	149
──────── alternating with greywacke, at Scabro hill	149
──────── thickness of the formation of, at Strangford Lough	150
──────── of Minehead, described	357
──────── marly, near Wotton Courtney, described	359
──────── argillaceous, in Somersetshire, described	363
Sahlite, found in Glen Tilt	289
Salt mines, of Cardona in Spain, Dn. TRAILIJS Observations on the	404
Sandstone, upper bed of, in Sky	46
──── remarkable disposition of the strata of, in Sky	47
──── Flœtz formations in the North of Ireland, described	160
──── Green, in the North of Ireland, described	167
────── of Ireland, fossils of	169
────── Red. See Red sandstone.
Scavig, Loch, Description of	83
Schiefer spar, sometimes found in the calcareous beds in Glen Tilt	288
Schist, of Glen Tilt, described	308
── singular variety of, found in Ben Gloe	309
Section, remarkable one shewn in the valley of the Tilt	277
Serpentine, noble, commonly mixed with the marbles of Scotland	283
Seymour, Lord Webb. Description of a Clinometer	385
Shale, its thickness in the Lincolnshire Wolds	395
Shell marle, bed of, in Glen Tilt	316
skey, Joseph, M.D. Physician to the Forces. Remarks upon the Structure of Barbadoes, as connected with specimens of its rocks	236
Sky, Dr. Mac Culloch's Sketch of the Mineralogy of	1
── general geographical description of	4
── great Northern division consists of trap	8

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Sky, description of the rock districts of	19
── small quantity of alluvial land in	18
── description of the Coasts of	19
── remarkable slide of the cliff in	22
── detailed description of the rocks of	28
── Marble limestone alternating with shell limestone reposing on syenite in	41
── account of the mineral substances in	82
── junction of trap and shale in	99
── description of the marbles at Strath in	101
Slate, interstratified with limestone containing madrepores, in Somersetshire	344
Sleat district in Sky, consists of mica slate . . . . 28
Slide, remarkable one of the cliff, in Sky	22
── of the hill in Strathaird in Sky	24
── in the conglomerate, at Mount Radford	362
── numerous on the coast of Somersetshire	372
Somersetshire, Leonard Horner, Esq. Sketch of the Geology of	338
Sphene, found in the granite of Glen Tilt	301
Stalactites, abundant in a cave in Sky	26
Steatite, occurs in the trap in Sky	91
── mixed with the marble of Glen Tilt	283-285
Stilbite, abundant in Sky	85
Storr, in Sky, Zeolites abundant in the trap at	16
Strath, district in Sky, lies on a bed of limestone	7
── Description of	15
Strathaird, in Sky, situation of the district so called	5
──── almost entirely composed of secondary strata	7
──── remarkable trap veins at	79
Stratified rocks, in Sky, description of	31
──────── their contact with quartz rock and mica slate	31
Strontian, sulphate of found crystallized in the septa of limestone masses, in Somersetshire	371
Submarine forest, on the coast of Somersetshire	380
Swedenstiarna, C. T. An account of the Swedish Corundum from Gellivara, in Lapland	415

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Syenite in Sky supporting and mixed with limestone	40
──── in Sky, described	68
──── its tendency to decompose	70
──── in contact with marble limestone, in Sky	70
──── in Sky of later formation than the limestone	76
──── in the North of Ireland, described	144
──── distinguished from syenitic granite, by Dr. Mac Culloch	300
Syenitic granite, and granite, their Geological identity	297
Talc slate, mica slate passing into, in Sky	29
Talisker, in Sky, abounds in zeolites	82
Tellurium, Professor Esmark's Description of a new Ore of	413
Titanium, Oxide of, found in Scotland	309
Traill, Thomas Stewart, M.D. Observations on the Salt Mines of Cardona, made during a tour in Spain in the summer of 1814	404
Transition rocks, in the North of Ireland, described	146
Trap, forms the great Northern division of Sky	8
── decomposed, forms fertile soil	9
── veins in the secondary strata at Loch Slapin, in Sky, washed away	25
── vein in a cave, in Sky	26
── general account of, in Sky	54
── stratified detached masses of, in Sky	56
── varieties of, in Sky	57
── rarely columnar, in Sky	58
── veins in Sky, account of	75
── ── two sets of	76
── effect of the junction of the, on the shale in Sky	99
── Mr. Aikin's Observations on a bed of, at Birch Hill colliery	251
── primitive, in the North of Ireland, described	140
────── consists almost entirely of hornblende	140
── transition, in the North of Ireland, described	145
── Flœtz, bed of, lying in conformable position between the strata of sand in the coal formation of Ballycastle	159
────── formation in the North of Ireland, described	177

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