Knowledge (XXG)

Geology of Hampshire

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166:, which separates the Isle of Wight from the coast of Hampshire, is itself a flooded river valley, further erosion having broken the remaining chalk link with the mainland. 282:
Further north, beyond the downs, the landscape is again lowland clay and gravel heathland, though the north is generally greener and more diverse than the south.
445: 237: 257: 402: 378: 354: 330: 438: 261: 228:
A series of east-west trending folds in the chalk to the north of the Hampshire Basin is controlled by faults in the underlying
233: 696: 291: 560: 660: 431: 540: 535: 301: 600: 595: 485: 296: 605: 480: 670: 645: 575: 555: 500: 48: 630: 550: 248:. The Winchester-East Meon Anticline in particular gives rise to many hills including Yew Hill, Compton Down, 655: 470: 182:. These are high hills with steep slopes where they border the clays to the south. The downland supports a 610: 580: 218: 665: 650: 525: 475: 139: 620: 585: 570: 505: 241: 210: 675: 245: 183: 625: 495: 490: 462: 276: 265: 635: 615: 590: 454: 159: 275:
Around the chalk margins to the north are the Pewsey-Kingsclere Anticline and to the south the
640: 520: 398: 397:(Map). 1:50000. British Geological Survey England and Wales. British Geological Survey. 1998. 374: 373:(Map). 1:50000. British Geological Survey England and Wales. British Geological Survey. 1999. 350: 349:(Map). 1:50000. British Geological Survey England and Wales. British Geological Survey. 2002. 326: 155: 124: 530: 515: 28: 565: 249: 175: 109: 84: 135: 75:
of the Lambeth, Thames and Bracklesham Groups which characterise the Hampshire Basin.
690: 252:, Magdalen (Morn) Hill, Chilcomb Down, Cheesefoot Head, Telegraph Hill, Deacon Hill, 113: 269: 253: 206: 198: 179: 52: 209:
to the north, and dip gently to the south. The highest point in the county is
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Geology of the Winchester district - a brief explanation of the geological map
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clays and gravels form low flat terrain, the Hampshire Basin. Protected from
147: 117: 98: 40: 19: 229: 195: 121: 56: 44: 279:, Portsdown Anticline, Forest of Bere Syncline and Chichester Syncline. 174:
In the centre and north of the county the substrate is the chalk of the
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Much of the coastal landscape of the Hampshire Basin results from
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flow from the downland through green valleys, both supporting
151: 102: 59:. Overlying these rocks are the less consolidated Palaeogene 47:
whilst those of the upper (late) Cretaceous are the various
213:, which reaches the height of 286m/938 ft. The rivers 461: 39:periods. The lower (early) Cretaceous rocks are 27:broadly comprises a gently folded succession of 146:) some 6000 years BP. There are several large 439: 8: 446: 432: 424: 232:strata. From south to north these are the 127:, a large area of which form part of the 313: 240:/Alderbury - Mottisfont Syncline, the 7: 238:Winchester-King's Somborne Syncline 201:. The hills dip steeply forming a 14: 234:Winchester-East Meon Anticline 55:and give rise to the county's 1: 325:. British Geological Survey. 292:Geology of the United Kingdom 186:habitat, important for wild 420:. Wimborne: Dovecote Press. 154:, notably the 12 mile long 713: 302:List of hills of Hampshire 82: 297:Geology of the New Forest 158:and the large convoluted 89:In the south, along the 661:West Midlands (County) 242:Stockbridge Anticline 116:, this land supports 697:Geology of Hampshire 321:Booth, K.A. (2002). 258:St. Catherine's Hill 246:Micheldever Syncline 225:and other wildlife. 184:calcareous grassland 277:Dean Hill Anticline 266:Old Winchester Hill 51:which comprise the 541:Greater Manchester 455:Geology of England 416:Draper, Jo. 1990. 160:Portsmouth Harbour 112:, Dorset, and the 684: 683: 156:Southampton Water 29:sedimentary rocks 704: 596:Northamptonshire 448: 441: 434: 425: 409: 408: 391: 385: 384: 367: 361: 360: 343: 337: 336: 318: 250:Oliver's Battery 142:(after the last 31:dating from the 712: 711: 707: 706: 705: 703: 702: 701: 687: 686: 685: 680: 606:Nottinghamshire 536:Gloucestershire 481:Buckinghamshire 457: 452: 413: 412: 405: 393: 392: 388: 381: 369: 368: 364: 357: 345: 344: 340: 333: 320: 319: 315: 310: 288: 176:Hampshire Downs 172: 110:Isle of Purbeck 87: 85:Hampshire Basin 81: 79:Hampshire Basin 12: 11: 5: 710: 708: 700: 699: 689: 688: 682: 681: 679: 678: 673: 671:Worcestershire 668: 663: 658: 653: 648: 643: 638: 633: 628: 623: 618: 613: 608: 603: 601:Northumberland 598: 593: 588: 583: 578: 576:Leicestershire 573: 568: 563: 558: 553: 548: 543: 538: 533: 528: 523: 518: 513: 508: 503: 498: 493: 488: 486:Cambridgeshire 483: 478: 473: 467: 465: 459: 458: 453: 451: 450: 443: 436: 428: 422: 421: 411: 410: 403: 386: 379: 362: 355: 338: 331: 312: 311: 309: 306: 305: 304: 299: 294: 287: 284: 171: 168: 136:sea level rise 83:Main article: 80: 77: 13: 10: 9: 6: 4: 3: 2: 709: 698: 695: 694: 692: 677: 674: 672: 669: 667: 664: 662: 659: 657: 654: 652: 649: 647: 646:Tyne and Wear 644: 642: 639: 637: 634: 632: 631:Staffordshire 629: 627: 624: 622: 619: 617: 614: 612: 609: 607: 604: 602: 599: 597: 594: 592: 589: 587: 584: 582: 579: 577: 574: 572: 569: 567: 564: 562: 561:Isle of Wight 559: 557: 556:Hertfordshire 554: 552: 551:Herefordshire 549: 547: 544: 542: 539: 537: 534: 532: 529: 527: 524: 522: 519: 517: 514: 512: 509: 507: 504: 502: 501:County Durham 499: 497: 494: 492: 489: 487: 484: 482: 479: 477: 474: 472: 469: 468: 466: 464: 460: 456: 449: 444: 442: 437: 435: 430: 429: 426: 419: 415: 414: 406: 404:0-7518-3167-0 400: 396: 390: 387: 382: 380:0-7518-3250-2 376: 372: 366: 363: 358: 356:0-7518-3340-1 352: 348: 342: 339: 334: 332:0-85272-429-2 328: 324: 317: 314: 307: 303: 300: 298: 295: 293: 290: 289: 285: 283: 280: 278: 273: 271: 267: 263: 259: 255: 251: 247: 243: 239: 235: 231: 226: 224: 220: 216: 212: 208: 207:Kennet valley 204: 200: 197: 194:, as well as 193: 189: 185: 181: 177: 169: 167: 165: 161: 157: 153: 149: 145: 141: 137: 132: 130: 126: 123: 119: 115: 114:Isle of Wight 111: 107: 104: 100: 96: 92: 86: 78: 76: 74: 70: 66: 62: 58: 54: 50: 46: 42: 38: 34: 30: 26: 22: 21: 656:Warwickshire 581:Lincolnshire 545: 471:Bedfordshire 417: 394: 389: 370: 365: 346: 341: 322: 316: 281: 274: 270:Henwood Down 254:Twyford Down 227: 173: 133: 88: 23:in southern 17: 15: 651:West Sussex 611:Oxfordshire 526:East Sussex 262:Beacon Hill 199:agriculture 180:South Downs 170:Chalk Downs 53:Chalk Group 18:geology of 621:Shropshire 586:Merseyside 571:Lancashire 511:Derbyshire 347:Winchester 308:References 211:Pilot Hill 129:New Forest 49:formations 41:sandstones 37:Palaeogene 33:Cretaceous 676:Yorkshire 666:Wiltshire 546:Hampshire 476:Berkshire 418:Hampshire 371:Alresford 205:onto the 148:estuaries 140:Flandrian 118:heathland 99:Oligocene 57:downlands 45:mudstones 20:Hampshire 691:Category 626:Somerset 496:Cornwall 491:Cheshire 463:Counties 286:See also 244:and the 230:Jurassic 178:and the 125:habitats 122:woodland 636:Suffolk 616:Rutland 591:Norfolk 506:Cumbria 395:Fareham 192:insects 188:flowers 144:ice age 138:in the 108:by the 106:erosion 93:, soft 69:gravels 25:England 641:Surrey 521:Dorset 401:  377:  353:  329:  236:, the 219:Itchen 196:arable 164:Solent 162:. The 95:Eocene 531:Essex 516:Devon 223:trout 203:scarp 91:coast 73:silts 65:sands 61:clays 566:Kent 399:ISBN 375:ISBN 351:ISBN 327:ISBN 268:and 217:and 215:Test 190:and 152:rias 150:and 120:and 97:and 71:and 43:and 35:and 16:The 103:sea 693:: 272:. 264:, 260:, 256:, 131:. 67:, 63:, 447:e 440:t 433:v 407:. 383:. 359:. 335:.

Index

Hampshire
England
sedimentary rocks
Cretaceous
Palaeogene
sandstones
mudstones
formations
Chalk Group
downlands
clays
sands
gravels
silts
Hampshire Basin
coast
Eocene
Oligocene
sea
erosion
Isle of Purbeck
Isle of Wight
heathland
woodland
habitats
New Forest
sea level rise
Flandrian
ice age
estuaries

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