Knowledge (XXG)

Sierra Bayas Group

Source 📝

220: 177: 227: 302:. From top to bottom Sierra Bayas Group is subdivided Loma Negra, Olavarría, Cerro Largo, Colombo and Villa Mónica formations. Sierra Bayas Group has a thickness of 175 meters and the age its rocks range from 370: 448:
Pazos, P.J.; Rapalini, A. (2011). "The controversial stratigraphy of the glacial deposits in the Tandilia System, Argentina". Geological Society, London. pp. 565–569.
270:
aside, Sierra Bayas Group contains the oldest sedimentary formations in Argentina that have not been subjected to in a significant degree the geological processes of
516: 486: 266:
times. The group crops out in the central and northwestern parts of the Tandilia System, a chain of hills made up by of ancient rocks. The nearby
496: 219: 366:"Sedimentología y estratigrafía del Grupo La Providencia (nom. nov.): cubierta superior neoproterozoica, Sistema de Tandilia, Argentina" 415: 491: 267: 51: 329: 129: 501: 431:
Kawashita, K.; Varela, R.; Cingolani, C.; Soliani Jr., E.; Linares, E.; Valencio, S.A.; Ramos, A.V.; Do Campo, M. (1999).
365: 122: 434:
Geochronology and chemostratigraphy of "La Tinta" Neoproterozoic sedimentary rocks, Buenos Aires Province, Argentina
511: 506: 192: 334: 65: 317: 275: 259: 164: 55: 255: 248: 41: 339: 207: 453: 411: 403: 252: 364:
Arrouy, M. Julia; Poiré, Daniel G.; Gómez Peral, Lucía E.; Canalicchio, José María (2015).
466: 287: 96: 263: 31: 407: 480: 432: 395: 27: 299: 271: 314: 291: 110: 144: 131: 307: 182: 92: 88: 80: 437:. II South American Symposium on Isotope Geology, Brazil. pp. 403–407. 295: 303: 286:
Sierra Bayas Group and the former La Tinta Group have equivalents in
100: 313:
It was formerly grouped together with Cerro Negro Formation and the
290:, in La Tinta Group in particular is considered equivalent to the 84: 396:"Extension and general evolution of the Río de la Plata Craton" 371:
Latin American Journal of Sedimentology and Basin Analysis
203: 198: 188: 170: 160: 121: 116: 106: 76: 71: 61: 47: 37: 21: 359: 357: 355: 8: 402:. Vol. 16. Elsevier. pp. 73–85. 226: 18: 394:Bossi, Jorge; Cingolani, Carlos (2009). 389: 387: 385: 351: 462: 451: 7: 400:Developments in Precambrian Geology 14: 16:Geological formation in Argentina 517:Geology of Buenos Aires Province 487:Geologic formations of Argentina 225: 218: 175: 262:, Argentina, that deposited in 330:Dyke swarms of Tandil and Azul 234:Sierra Bayas Group (Argentina) 1: 408:10.1016/S0166-2635(09)01604-1 497:Neoproterozoic South America 533: 213: 26: 492:Ediacaran South America 145:37.316667°S 59.133333°W 335:Puncoviscana Formation 193:Río de la Plata Craton 150:-37.316667; -59.133333 320:into La Tinta Group. 268:Cerro Negro Formation 260:Buenos Aires Province 165:Buenos Aires Province 52:Cerro Negro Formation 502:Limestone formations 66:Buenos Aires Complex 340:Sucunduri Formation 141: /  42:Stratigraphic group 28:Stratigraphic range 318:Balcarce Formation 245:Sierra Bayas Group 56:Balcarce Formation 22:Sierra Bayas Group 461:Missing or empty 242: 241: 524: 512:Glacial deposits 507:Shale formations 471: 470: 464: 459: 457: 449: 445: 439: 438: 428: 422: 421: 391: 380: 379: 361: 253:sedimentary rock 229: 228: 222: 181: 179: 178: 156: 155: 153: 152: 151: 146: 142: 139: 138: 137: 134: 19: 532: 531: 527: 526: 525: 523: 522: 521: 477: 476: 475: 474: 460: 450: 447: 446: 442: 430: 429: 425: 418: 393: 392: 383: 363: 362: 353: 348: 326: 288:Southern Africa 284: 238: 237: 236: 235: 232: 231: 230: 176: 174: 149: 147: 143: 140: 135: 132: 130: 128: 127: 54: 17: 12: 11: 5: 530: 528: 520: 519: 514: 509: 504: 499: 494: 489: 479: 478: 473: 472: 440: 423: 416: 381: 374:(in Spanish). 350: 349: 347: 344: 343: 342: 337: 332: 325: 322: 283: 280: 264:Neoproterozoic 240: 239: 233: 224: 223: 217: 216: 215: 214: 211: 210: 205: 201: 200: 196: 195: 190: 186: 185: 172: 168: 167: 162: 158: 157: 125: 119: 118: 114: 113: 108: 104: 103: 78: 74: 73: 69: 68: 63: 59: 58: 49: 45: 44: 39: 35: 34: 32:Neoproterozoic 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 529: 518: 515: 513: 510: 508: 505: 503: 500: 498: 495: 493: 490: 488: 485: 484: 482: 468: 455: 444: 441: 436: 435: 427: 424: 419: 417:9780444532497 413: 409: 405: 401: 397: 390: 388: 386: 382: 377: 373: 372: 367: 360: 358: 356: 352: 345: 341: 338: 336: 333: 331: 328: 327: 323: 321: 319: 316: 311: 309: 305: 301: 297: 293: 289: 281: 279: 277: 273: 269: 265: 261: 257: 254: 250: 246: 221: 212: 209: 206: 202: 197: 194: 191: 187: 184: 173: 169: 166: 163: 159: 154: 126: 124: 120: 115: 112: 109: 105: 102: 101:quartz-arkose 98: 94: 90: 86: 82: 79: 75: 70: 67: 64: 60: 57: 53: 50: 46: 43: 40: 36: 33: 29: 25: 20: 463:|title= 443: 433: 426: 399: 375: 369: 312: 300:South Africa 285: 272:metamorphism 244: 243: 208:Sierra Bayas 199:Type section 282:Description 276:deformation 148: / 123:Coordinates 481:Categories 346:References 315:Ordivician 292:Nama Group 256:formations 136:59°08′00″W 133:37°19′00″S 111:Diamictite 454:cite book 308:Ediacaran 294:found in 204:Named for 183:Argentina 93:quartzite 89:argillite 81:Limestone 72:Lithology 48:Underlies 324:See also 117:Location 97:dolomite 62:Overlies 296:Namibia 171:Country 77:Primary 414:  304:Tonian 189:Extent 180:  161:Region 87:(inc. 249:group 247:is a 107:Other 85:shale 467:help 412:ISBN 378:(2). 298:and 274:and 38:Type 404:doi 306:to 258:in 251:of 91:), 483:: 458:: 456:}} 452:{{ 410:. 398:. 384:^ 376:22 368:. 354:^ 310:. 278:. 99:, 95:, 83:, 30:: 469:) 465:( 420:. 406::

Index

Stratigraphic range
Neoproterozoic
Stratigraphic group
Cerro Negro Formation
Balcarce Formation
Buenos Aires Complex
Limestone
shale
argillite
quartzite
dolomite
quartz-arkose
Diamictite
Coordinates
37°19′00″S 59°08′00″W / 37.316667°S 59.133333°W / -37.316667; -59.133333
Buenos Aires Province
Argentina
Río de la Plata Craton
Sierra Bayas
Sierra Bayas Group is located in Argentina
group
sedimentary rock
formations
Buenos Aires Province
Neoproterozoic
Cerro Negro Formation
metamorphism
deformation
Southern Africa
Nama Group

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