Knowledge

Pembroke Limestone Group

Source 📝

492: 435: 39: 267:
base, unconformably overlain by the Caswell Bay Mudstone Formation and topped with the High Tor Limestone Formation. The Black Rock Limestone is divided into the lower Barry Harbour Limestone Formation succeeded by the Brofiscin Oolite Formation and topped off with the Friars Point Limestone Formation in the Vale of Glamorgan and
278:
displays a different sequence and rather more of the succession is absent either through erosion or non-deposition. The Dowlais Limestone Formation is present in place of the Hunt's Bay Oolite, whilst within the Oxwich Head Limestone, the Penderyn Oolite and Honeycombed Sandstones are recognised as
266:
areas, the Stackpole Formation is replaced by the Hunt's Bay Oolite Subgroup which consists of a lower/earlier Cornelly Oolite Formation and an upper/later Stormy Limestone Formation. Likewise the Linney Head to Pen-y-Holt sequence is replaced by a tripartite sequence with the Gully Oolite at its
298:, the Clifton Down Mudstone Formation is succeeded by the Clifton Down Limestone Formation then by the Oxwich Head Limestone Formation and finally the Upper Cromhall Sandstone. The Gully Oolite, the mudstone and the sandstone are not present in the Mendips. 553: 476: 529: 563: 573: 290:, the Pembroke Limestone within the English part of the basin is initiated by an undivided Black Rock Subgroup, overlain except in the 568: 413: 388: 469: 522: 558: 548: 301:
The Oystermouth Formation was formerly known as the Upper Limestone Shales, Rottenstone Beds or Oystermouth Beds. These
462: 333: 79: 83: 515: 203: 191: 166: 69: 30: 491: 275: 406:
A lithostratigraphical framework for the Carboniferous successions of southern Great Britain (Onshore)
381:
A lithostratigraphical framework for the Carboniferous successions of southern Great Britain (Onshore)
59: 222: 280: 211: 179: 434: 183: 409: 384: 263: 207: 48: 499: 446: 287: 268: 542: 218: 26: 353: 302: 291: 217:
The make-up of the Group varies from one part of the basin to another but in south
93: 317: 147: 313: 295: 103: 305: 274:
The 'North Crop' i.e. the limestone succession exposed to the north of the
38: 442: 309: 199: 151: 498:
This article about a specific United Kingdom geological feature is a
187: 44: 259: 255: 195: 404:
Waters, C.N.; Waters, R.A.; Barclay, W.J.; Davies, J.R. (2009).
379:
Waters, C.N.; Waters, R.A.; Barclay, W.J.; Davies, J.R. (2009).
321: 214:
and ramp environments and are up to 1025m thick in places.
503: 450: 162: 157: 143: 138: 130: 122: 117: 109: 99: 89: 75: 65: 55: 20: 47:limestone of the Burrington Oolite Subgroup in 523: 470: 383:. Keyworth, Notts: BGS/NERC. pp. 96–97. 8: 554:Limestone formations of the United Kingdom 530: 516: 477: 463: 408:. Keyworth, Notts: BGS/NERC. p. 109. 37: 17: 345: 294:by the Gully Oolite once again. In the 7: 488: 486: 431: 429: 358:The BGS Lexicon of Named Rock Units 241:Hobbyhorse Bay Limestone Formation 204:Carboniferous Limestone Supergroup 70:Carboniferous Limestone Supergroup 14: 490: 433: 247:Berry Slade Limestone Formation 232:Oxwich Head Limestone Formation 564:Carboniferous System of Europe 238:Pen-y-Holt Limestone Formation 1: 250:Black Rock Limestone Subgroup 235:Stackpole Limestone Formation 80:Black Rock Limestone Subgroup 574:United Kingdom geology stubs 502:. You can help Knowledge by 449:. You can help Knowledge by 360:. British Geological Survey 221:it comprises the following 590: 485: 428: 354:"Pembroke Limestone Group" 334:List of types of limestone 84:Burrington Oolite Subgroup 36: 25: 569:Somerset geography stubs 176:Pembroke Limestone Group 21:Pembroke Limestone Group 202:. It forms part of the 445:location article is a 276:South Wales Coalfield 244:Linney Head Formation 229:Oystermouth Formation 194:) found in southern 559:Carboniferous Wales 549:Geology of Somerset 286:To the east of the 210:rocks developed in 192:Early Carboniferous 134:Mudstone, sandstone 31:Lower Carboniferous 27:Stratigraphic range 180:stratigraphic unit 511: 510: 458: 457: 264:Vale of Glamorgan 172: 171: 581: 532: 525: 518: 494: 487: 479: 472: 465: 437: 430: 420: 419: 401: 395: 394: 376: 370: 369: 367: 365: 350: 49:Burrington Combe 43:Steeply dipping 41: 18: 589: 588: 584: 583: 582: 580: 579: 578: 539: 538: 537: 536: 484: 483: 426: 424: 423: 416: 403: 402: 398: 391: 378: 377: 373: 363: 361: 352: 351: 347: 342: 330: 51: 12: 11: 5: 587: 585: 577: 576: 571: 566: 561: 556: 551: 541: 540: 535: 534: 527: 520: 512: 509: 508: 495: 482: 481: 474: 467: 459: 456: 455: 438: 422: 421: 414: 396: 389: 371: 344: 343: 341: 338: 337: 336: 329: 326: 316:at outcrop to 312:are sometimes 252: 251: 248: 245: 242: 239: 236: 233: 230: 170: 169: 164: 160: 159: 155: 154: 145: 141: 140: 136: 135: 132: 128: 127: 124: 120: 119: 115: 114: 111: 107: 106: 101: 97: 96: 91: 87: 86: 77: 73: 72: 67: 63: 62: 57: 53: 52: 42: 34: 33: 23: 22: 13: 10: 9: 6: 4: 3: 2: 586: 575: 572: 570: 567: 565: 562: 560: 557: 555: 552: 550: 547: 546: 544: 533: 528: 526: 521: 519: 514: 513: 507: 505: 501: 496: 493: 489: 480: 475: 473: 468: 466: 461: 460: 454: 452: 448: 444: 439: 436: 432: 427: 417: 415:9780852726266 411: 407: 400: 397: 392: 390:9780852726266 386: 382: 375: 372: 359: 355: 349: 346: 339: 335: 332: 331: 327: 325: 323: 319: 315: 311: 307: 304: 299: 297: 293: 289: 284: 282: 277: 272: 270: 265: 261: 257: 249: 246: 243: 240: 237: 234: 231: 228: 227: 226: 224: 220: 219:Pembrokeshire 215: 213: 209: 205: 201: 198:and northern 197: 193: 189: 185: 181: 177: 168: 165: 161: 156: 153: 149: 146: 142: 137: 133: 129: 125: 121: 116: 112: 108: 105: 102: 98: 95: 92: 88: 85: 81: 78: 74: 71: 68: 64: 61: 58: 54: 50: 46: 40: 35: 32: 28: 24: 19: 16: 504:expanding it 497: 451:expanding it 440: 425: 405: 399: 380: 374: 362:. Retrieved 357: 348: 303:argillaceous 300: 292:Mendip Hills 285: 273: 253: 216: 175: 173: 158:Type section 113:Up to 1025 m 94:Marros Group 15: 318:rottenstone 148:South Wales 543:Categories 364:10 January 340:References 306:limestones 296:Avon Gorge 223:formations 188:Brigantian 104:Avon Group 314:weathered 310:mudstones 208:carbonate 184:Courceyan 163:Named for 126:Limestone 118:Lithology 110:Thickness 90:Underlies 76:Sub-units 443:Somerset 328:See also 212:platform 206:. These 200:Somerset 167:Pembroke 152:Somerset 139:Location 100:Overlies 281:members 271:areas. 269:Newport 254:In the 123:Primary 66:Unit of 45:oolitic 412:  387:  288:Severn 144:Region 441:This 260:Gower 256:Tenby 196:Wales 190:age ( 178:is a 131:Other 60:Group 500:stub 447:stub 410:ISBN 385:ISBN 366:2015 322:clay 320:and 308:and 262:and 174:The 56:Type 186:to 182:of 545:: 356:. 324:. 283:. 258:, 225:: 150:, 82:, 29:: 531:e 524:t 517:v 506:. 478:e 471:t 464:v 453:. 418:. 393:. 368:.

Index

Stratigraphic range
Lower Carboniferous

oolitic
Burrington Combe
Group
Carboniferous Limestone Supergroup
Black Rock Limestone Subgroup
Burrington Oolite Subgroup
Marros Group
Avon Group
South Wales
Somerset
Pembroke
stratigraphic unit
Courceyan
Brigantian
Early Carboniferous
Wales
Somerset
Carboniferous Limestone Supergroup
carbonate
platform
Pembrokeshire
formations
Tenby
Gower
Vale of Glamorgan
Newport
South Wales Coalfield

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.