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Nipissing sills

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area the Nipissing diabase is deformed; outcrops are parallel to the fold axes of the Huronian sedimentary rocks. Nipissing diabase intrusions are east-northeast trending and are no wider than 460 m (1,510 ft).
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area 1,300 km (810 mi) to the northeast. The mantle source for the Nipissing sills did not come from the mantle beneath the Southern Province that had generated the 2500– to 2450–million year old
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Palmer, H. C.; Ernst, R. E.; Buchan, K. L. (April 1, 2007). "Magnetic Fabric Studies of the Nipissing sill province and Senneterre dykes, Canadian shield, and Implications for Emplacement".
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Ancient LIPS Reconstructed (2.50, 2.45, 2.22 & 2.10 Ga): The Utility Of Precise Magmatic “Barcodes” And “Piercing Points” In Matching Ancient Continental Fragments
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Palmer, H.C.; Ernst, R.E.; Buchan, K.L. (2004). "Mapping Flow Patterns in Nipissing sills of the Southern Province, Canadian shield: a Magnetic Fabric Study".
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Mineral Deposits of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, the Evolution of Geological Provinces, and Exploration Methods
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Ernst, Richard E. (January 1, 2007). "Large Igneous Provinces in Canada Through Time and Their Metallognic Potential". In Goodfellow, W. D. (ed.).
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center 1,500 km (930 mi) away via the 2216–million year old Senneterre dikes which form part of the radiating dike swarm.
475: 272:(submitted in conformity with the requirements for the degree of M.Sc. Graduate Department of Geology University of Toronto thesis) 470: 26: 455: 269:
Differential Uplift of the Archean Basement North of the Sudbury Basin: Petrographic Evidence from tahe Matachewan Dyke Swarm
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The Nipissing sills in the Southern Province of the Superior craton are thought to originate from a radiating
88:. Nipissing sills intrude all the Huronian sediments and older basement rocks in the northern margin of the 160: 485: 460: 356: 133: 129: 390: 304: 237: 8: 85: 394: 308: 241: 290: 424: 108: 140:– fed the Nipissing sills; evidence shows the sills were laterally fed from a 312: 245: 213: 409: 389:. American Geophysical Union, Spring Meeting 2004, abstract #GP34A-04: GP34A–04. 148: 137: 112: 93: 73: 69: 97: 65: 293:""Sudbury Breccia" at Whitefish Falls, Ontario: Evidence for an Impact Origin" 449: 428: 89: 41: 28: 141: 116: 16: 124: 101: 227: 316: 249: 147:
In 1911, Willett G. Miller named the Nipissing diabase type area at
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Parmenter, Andrew C.; Lee, Christopher B.; Coniglio, Mario (2002).
77: 104: 81: 355:, Mineral Deposits Division. pp. 929–937. Archived from 64:, is a large 2217– to 2210–million year old group of 20:
Nipissing sills associated with Ungava magmatic event
447: 265: 261: 259: 223: 221: 178: 176: 15: 337: 335: 333: 448: 407: 182: 341: 256: 218: 173: 132:. The 2217– to 2210–million year old 330: 13: 297:Canadian Journal of Earth Sciences 236:(4). NRC Research Press: 507–528. 230:Canadian Journal of Earth Sciences 14: 497: 353:Geological Association of Canada 476:Landforms of Nipissing District 408:Jambor, J. L. (December 1971). 92:; they were emplaced after the 401: 374: 284: 207: 189:Engineering and Mining Journal 1: 471:Landforms of Sudbury District 166: 456:Igneous petrology of Ontario 383:AGU Spring Meeting Abstracts 7: 161:Volcanism of Eastern Canada 154: 100:of Huronian rocks, and are 10: 502: 481:Geology of Greater Sudbury 466:Paleoproterozoic magmatism 185:"Notes on the Cobalt Area" 183:Miller, Willet G. (1911). 136:– located under the 417:The Canadian Mineralogist 266:Siddom, James P. (1999). 410:"The Nipissing diabase" 21: 134:Ungava magmatic event 130:Matachewan dike swarm 19: 111:composition. In the 84:, which intrude the 395:2004AGUSMGP34A..04P 309:2002CaJES..39..971P 242:2007CaJES..44..507P 86:Huronian Supergroup 38: /  60:, also called the 22: 109:tholeiitic basalt 62:Nipissing diabase 42:47.400°N 79.683°W 493: 486:Mafic intrusions 440: 439: 437: 435: 414: 405: 399: 398: 378: 372: 371: 369: 367: 361: 350: 339: 328: 327: 325: 323: 288: 282: 281: 279: 277: 263: 254: 253: 225: 216: 211: 205: 204: 202: 200: 180: 53: 52: 50: 49: 48: 43: 39: 36: 35: 34: 31: 501: 500: 496: 495: 494: 492: 491: 490: 461:Sills (geology) 446: 445: 444: 443: 433: 431: 412: 406: 402: 379: 375: 365: 363: 362:on June 5, 2011 359: 348: 340: 331: 321: 319: 317:10.1139/E02-006 289: 285: 275: 273: 264: 257: 250:10.1139/E06-096 226: 219: 212: 208: 198: 196: 181: 174: 169: 157: 149:Cobalt, Ontario 138:Labrador Trough 74:Canadian Shield 70:Superior craton 58:Nipissing sills 47:47.400; -79.683 46: 44: 40: 37: 32: 29: 27: 25: 24: 12: 11: 5: 499: 489: 488: 483: 478: 473: 468: 463: 458: 442: 441: 400: 373: 329: 303:(6): 971–982. 283: 255: 217: 206: 171: 170: 168: 165: 164: 163: 156: 153: 9: 6: 4: 3: 2: 498: 487: 484: 482: 479: 477: 474: 472: 469: 467: 464: 462: 459: 457: 454: 453: 451: 430: 426: 422: 418: 411: 404: 396: 392: 388: 384: 377: 358: 354: 347: 346: 338: 336: 334: 318: 314: 310: 306: 302: 298: 294: 287: 271: 270: 262: 260: 251: 247: 243: 239: 235: 231: 224: 222: 215: 210: 194: 190: 186: 179: 177: 172: 162: 159: 158: 152: 150: 145: 143: 139: 135: 131: 126: 121: 118: 114: 110: 106: 103: 99: 95: 91: 90:Sudbury Basin 87: 83: 79: 75: 71: 67: 63: 59: 54: 51: 18: 434:September 8, 432:. Retrieved 423:(1): 34–75. 420: 416: 403: 386: 382: 376: 364:. Retrieved 357:the original 344: 320:. Retrieved 300: 296: 286: 274:. Retrieved 268: 233: 229: 209: 199:September 8, 197:. Retrieved 192: 188: 146: 142:mantle plume 122: 61: 57: 55: 23: 117:Elliot Lake 45: / 450:Categories 167:References 125:dike swarm 102:hornblende 429:0008-4476 195:: 645–649 366:June 12, 322:June 12, 276:June 12, 155:See also 94:faulting 391:Bibcode 305:Bibcode 238:Bibcode 115:– 113:Sudbury 98:folding 78:Ontario 72:of the 68:in the 33:79°41′W 30:47°24′N 427:  105:gabbro 82:Canada 413:(PDF) 360:(PDF) 349:(PDF) 66:sills 436:2024 425:ISSN 387:2004 368:2010 324:2010 278:2010 201:2024 96:and 56:The 313:doi 246:doi 107:of 76:in 452:: 421:11 419:. 415:. 385:. 351:. 332:^ 311:. 301:39 299:. 295:. 258:^ 244:. 234:44 232:. 220:^ 193:92 191:. 187:. 175:^ 151:. 80:, 438:. 397:. 393:: 370:. 326:. 315:: 307:: 280:. 252:. 248:: 240:: 203:.

Index

This sketch shows the features associated with the Ungava magmatic event.
47°24′N 79°41′W / 47.400°N 79.683°W / 47.400; -79.683
sills
Superior craton
Canadian Shield
Ontario
Canada
Huronian Supergroup
Sudbury Basin
faulting
folding
hornblende
gabbro
tholeiitic basalt
Sudbury
Elliot Lake
dike swarm
Matachewan dike swarm
Ungava magmatic event
Labrador Trough
mantle plume
Cobalt, Ontario
Volcanism of Eastern Canada


"Notes on the Cobalt Area"
Ancient LIPS Reconstructed (2.50, 2.45, 2.22 & 2.10 Ga): The Utility Of Precise Magmatic “Barcodes” And “Piercing Points” In Matching Ancient Continental Fragments


Bibcode

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