Knowledge (XXG)

Geology of the Cocos (Keeling) Islands

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The Cocos (Keeling) Islands are located in the Indian Ocean at 15ΒΊ06'00.02"S, 97ΒΊ03'51.42"E. They have nothing to do with the Cocos tectonic plate located along the west coast of Central America. This page requires extensive rework before it is factually correct.
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may be a part of the Galapagos hot spot. The island is the mountaintop of non-seismic, undersea Cocos Ridge. Although the ridge dates to the
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and paleomagnetic research indicate that the above-water part of the island formed within the last two million years in the
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played a key role in the formation of the rocks. Sediments on the island include sand and gravel from the
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A shield volcano built up, followed by explosive eruptions and smaller subsequent eruptions. Alkali
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CASTILLO, P.; BATIZA, R.; VANKO, D.; MALAVASSI, E.; BARQUERO, J.; FERNANDEZ, E. (September 1988).
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are the only forms of bedrock on the island and fractional crystallization of
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Woodroffe, C.D; McLean, R.F; Smithers, S.G; Lawson, E.M (1 August 1999).
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10.1130/0016-7606(1988)100<1400:AYVOOH>2.3.CO;2
609: 513: 473: 215: 675:Natural history of the Cocos (Keeling) Islands 629: 193: 8: 670:Geology of Australia by state or territory 636: 622: 200: 186: 178: 157: 660:Geography of the Cocos (Keeling) Islands 77: 91:Geological Society of America Bulletin 7: 590: 588: 608:. You can help Knowledge (XXG) by 14: 592: 568: 559: 558: 655:Geology by dependent territory 526:British Indian Ocean Territory 1: 159:10.1016/S0025-3227(99)00009-2 696: 587: 665:Geology of Southeast Asia 554: 68:made of coral fragments. 275:East Timor (Timor-Leste) 602:Cocos (Keeling) Islands 536:Cocos (Keeling) Islands 26:Cocos (Keeling) Islands 604:-related article is a 35:potassium-argon dating 450:United Arab Emirates 477:limited recognition 150:1999MGeol.160...85W 103:1988GSAB..100.1400C 617: 616: 582: 581: 519:other territories 687: 638: 631: 624: 596: 589: 572: 562: 561: 531:Christmas Island 217:Sovereign states 209:Geology of Asia 202: 195: 188: 179: 172: 171: 161: 129: 123: 122: 97:(9): 1400–1414. 82: 695: 694: 690: 689: 688: 686: 685: 684: 680:Australia stubs 645: 644: 643: 642: 585: 583: 578: 550: 518: 509: 490:Northern Cyprus 476: 469: 211: 206: 176: 175: 144:(1–2): 85–104. 131: 130: 126: 84: 83: 79: 74: 24:geology of the 12: 11: 5: 693: 691: 683: 682: 677: 672: 667: 662: 657: 647: 646: 641: 640: 633: 626: 618: 615: 614: 597: 580: 579: 577: 576: 566: 555: 552: 551: 549: 548: 543: 538: 533: 528: 522: 520: 511: 510: 508: 507: 502: 497: 492: 487: 481: 479: 471: 470: 468: 467: 462: 457: 452: 447: 442: 437: 432: 427: 422: 417: 412: 407: 402: 397: 392: 387: 382: 377: 372: 367: 362: 357: 352: 347: 342: 337: 332: 327: 322: 317: 312: 307: 302: 297: 292: 287: 282: 277: 272: 267: 262: 257: 252: 247: 242: 237: 232: 227: 221: 219: 213: 212: 207: 205: 204: 197: 190: 182: 174: 173: 138:Marine Geology 124: 76: 75: 73: 70: 13: 10: 9: 6: 4: 3: 2: 692: 681: 678: 676: 673: 671: 668: 666: 663: 661: 658: 656: 653: 652: 650: 639: 634: 632: 627: 625: 620: 619: 613: 611: 607: 603: 598: 595: 591: 586: 575: 571: 567: 565: 557: 556: 553: 547: 544: 542: 539: 537: 534: 532: 529: 527: 524: 523: 521: 516: 512: 506: 503: 501: 500:South Ossetia 498: 496: 493: 491: 488: 486: 483: 482: 480: 478: 472: 466: 463: 461: 458: 456: 453: 451: 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 418: 416: 413: 411: 408: 406: 403: 401: 398: 396: 393: 391: 388: 386: 383: 381: 378: 376: 373: 371: 368: 366: 363: 361: 358: 356: 353: 351: 348: 346: 343: 341: 338: 336: 333: 331: 328: 326: 323: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 296: 293: 291: 288: 286: 283: 281: 278: 276: 273: 271: 268: 266: 263: 261: 258: 256: 253: 251: 248: 246: 243: 241: 238: 236: 233: 231: 228: 226: 223: 222: 220: 218: 214: 210: 203: 198: 196: 191: 189: 184: 183: 180: 169: 165: 160: 155: 151: 147: 143: 139: 135: 128: 125: 120: 116: 112: 108: 104: 100: 96: 92: 88: 81: 78: 71: 69: 67: 66:conglomerates 64:and cemented 63: 59: 58:clinopyroxene 55: 51: 47: 42: 40: 36: 32: 28: 27: 20: 16: 610:expanding it 599: 584: 535: 515:Dependencies 445:Turkmenistan 410:Saudi Arabia 141: 137: 127: 94: 90: 80: 43: 23: 21: 17: 15: 574:Asia portal 475:States with 395:Philippines 335:South Korea 330:North Korea 225:Afghanistan 649:Categories 455:Uzbekistan 430:Tajikistan 345:Kyrgyzstan 325:Kazakhstan 245:Bangladesh 235:Azerbaijan 72:References 39:Quaternary 541:Hong Kong 495:Palestine 420:Sri Lanka 415:Singapore 295:Indonesia 168:0025-3227 119:0016-7606 564:Category 485:Abkhazia 435:Thailand 390:Pakistan 370:Mongolia 365:Maldives 360:Malaysia 260:Cambodia 62:Holocene 50:trachyte 460:Vietnam 375:Myanmar 355:Lebanon 285:Georgia 240:Bahrain 230:Armenia 146:Bibcode 99:Bibcode 54:olivine 31:Miocene 505:Taiwan 440:Turkey 405:Russia 340:Kuwait 320:Jordan 310:Israel 270:Cyprus 255:Brunei 250:Bhutan 166:  117:  46:basalt 600:This 546:Macau 465:Yemen 425:Syria 400:Qatar 380:Nepal 315:Japan 290:India 280:Egypt 265:China 606:stub 385:Oman 350:Laos 305:Iraq 300:Iran 164:ISSN 115:ISSN 56:and 48:and 22:The 517:and 154:doi 142:160 107:doi 95:100 651:: 162:. 152:. 140:. 136:. 113:. 105:. 93:. 89:. 41:. 33:, 637:e 630:t 623:v 612:. 201:e 194:t 187:v 170:. 156:: 148:: 121:. 109:: 101::

Index

Cocos (Keeling) Islands
Miocene
potassium-argon dating
Quaternary
basalt
trachyte
olivine
clinopyroxene
Holocene
conglomerates
"Anomalously young volcanoes on old hot-spot traces: I. Geology and petrology of Cocos Island"
Bibcode
1988GSAB..100.1400C
doi
10.1130/0016-7606(1988)100<1400:AYVOOH>2.3.CO;2
ISSN
0016-7606
"Atoll reef-island formation and response to sea-level change: West Island, Cocos (Keeling) Islands"
Bibcode
1999MGeol.160...85W
doi
10.1016/S0025-3227(99)00009-2
ISSN
0025-3227
v
t
e
Geology of Asia
Sovereign states
Afghanistan

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