#FIG 2.1 80 2 5 1 0 1 0 0 0 0 0.000 0 1 0 280.250 189.000 304 129 344 179 314 244 0 0 1.000 4.000 8.000 5 1 0 4 4 0 0 0 0.000 0 0 0 445.448 460.184 429 474 424 459 449 439 5 1 0 4 4 0 0 0 0.000 1 0 0 331.500 486.500 394 474 389 459 374 439 5 1 0 4 4 0 0 0 0.000 0 0 0 433.167 463.167 414 469 419 449 439 444 5 1 0 4 4 0 0 0 0.000 1 0 0 364.357 486.857 409 469 394 449 369 439 5 1 0 4 4 0 0 0 0.000 1 0 0 474.000 354.000 444 439 469 444 479 444 5 1 0 4 4 0 0 0 0.000 0 0 0 351.500 416.500 369 439 359 444 344 444 5 1 0 4 4 0 0 0 0.000 0 1 0 598.886 622.627 479 634 559 509 719 614 0 0 4.000 16.000 32.000 5 1 0 4 4 0 0 0 0.000 1 1 0 213.549 628.414 329 629 229 514 99 614 0 0 4.000 16.000 32.000 2 3 0 2 4 0 0 0 0.000 0 0 0 389 579 447 580 477 530 449 479 391 478 361 528 389 579 9999 9999 3 0 0 1 0 0 0 0 0.000 1 0 0 0 1.000 4.000 8.000 354 184 444 184 9999 9999 3 0 0 2 0 0 0 0 0.000 0 0 34 449 379 449 374 449 9999 9999 3 0 0 2 0 0 0 0 0.000 0 0 39 484 384 484 379 484 9999 9999 3 0 0 2 0 0 0 0 0.000 0 0 444 449 789 449 784 449 9999 9999 3 0 0 2 0 0 0 0 0.000 0 0 444 484 789 484 784 484 9999 9999 4 0 0 26 0 0 0 0.00000 4 31 291 39 64 4 types of plate boundaries: 4 0 0 26 0 0 0 0.00000 4 31 228 39 138 1. divergence zone 4 0 0 26 0 0 0 0.00000 4 31 233 39 175 2. subduction zone 4 0 0 26 0 0 0 0.00000 4 31 227 39 212 3. collisional zone 4 0 0 26 0 0 0 0.00000 4 31 248 39 249 4. translational zone 4 0 0 26 0 0 0 0.00000 4 31 135 499 184 Life at plate  4 0 0 26 0 0 0 0.00000 4 31 139 499 221 boundaries is 4 0 0 26 0 0 0 0.00000 4 31 93 499 258 exciting! 4 0 0 26 0 0 0 0.00000 4 31 190 34 374 Divergence Zone: 4 0 0 26 0 4 0 0.00000 4 31 77 374 534 magma 4 0 0 26 0 0 0 0.00000 4 31 216 504 474 Basalt --> 3.0 g/cm 4 0 0 26 0 0 0 0.00000 4 31 13 724 464 3 4 0 0 26 0 0 0 0.00000 4 31 105 94 474 Ca,Mg,Fe 4 0 0 26 0 0 0 0.00000 4 31 224 64 769 --Crustal Separation 4 0 0 26 0 0 0 0.00000 4 31 404 64 843 --> local magma sources (Iceland) 4 0 0 26 0 0 0 0.00000 4 31 193 64 880 --> rift valleys