Knowledge

Mount Achernar

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on these stumps are well-preserved and exhibit narrow zones of latewood that represent a young, rapidly growing forest at latitudes of about 80° to 85 °S. These trees are interpreted to represent a forest growing at the time that the climate was warm because of the wide growth rings, lack of frost
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Antarctic glossopterid diversity on a local scale: the presence of multiple megasporophyll genera, Upper Permian, Mt. Achernar, Transantarctic Mountains, Antarctica.
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tree stumps. These silicified stumps are up to 18 cm (7.1 in) and 20 cm (7.9 in) height and in growth position. The
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The present is not the key to the past: a polar forest from the Permian of Antarctica.
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2nd ed. Jefferson, North Carolina and London, McFarland & Company, Inc. 1771 pp.
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Mount Achernar consists of the deeply eroded and glacially sculptured
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The Glossopteris flora from Antarctica: taphonomy and paleoecology.
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Cúneo, N.R., Isbell, J., Taylor, E.L. and Taylor, T.N., 1993.
98: 102: 243:Ryberg, P.E., Taylor, E.L. and Taylor, T.N., 2012. 227:Taylor, E.L., Taylor, T.N. and Cúneo, N.R., 1992. 67:New Zealand Geological Survey Antarctic Expedition 315: 221: 237: 205: 298: 113:buried forest consisting of numerous in situ 80: 185: 305: 291: 173:United States Department of the Interior 16:Mountain in Ross Dependency, Antarctica 316: 257: 324:Paleontological sites of Antarctica 164:Geographic Names Information System 151: 13: 69:(NZGSAE) (1961–62) after the star 14: 350: 57:forming the northeast end of the 339:Shackleton Coast geography stubs 329:Mountains of the Ross Dependency 261: 105:of the Buckley Formation of the 169:United States Geological Survey 1: 144: 277:. You can help Knowledge by 193:Antarctica: An Encyclopedia, 7: 10: 355: 256: 248:American Journal of Botany 234:, 257(5077), pp.1675-1677. 81:Late Permian buried forest 75:fixing the survey baseline 133: 216:Comptes Rendus XII ICC-P 61:, on the south side of 273:location article is a 250:, 99(9), pp.1531-1540. 191:Stewart, J., 2011. 37: /  41:84.200°S 160.933°E 286: 285: 201:978-0-7864-3590-6 107:Beacon Supergroup 346: 334:Shackleton Coast 307: 300: 293: 271:Shackleton Coast 265: 258: 251: 241: 235: 225: 219: 209: 203: 189: 183: 182: 180: 179: 159:"Mount Achernar" 155: 52: 51: 49: 48: 47: 46:-84.200; 160.933 42: 38: 35: 34: 33: 30: 354: 353: 349: 348: 347: 345: 344: 343: 314: 313: 312: 311: 255: 254: 242: 238: 226: 222: 210: 206: 190: 186: 177: 175: 157: 156: 152: 147: 136: 122:rings, and the 83: 65:. Named by the 59:MacAlpine Hills 45: 43: 39: 36: 31: 28: 26: 24: 23: 17: 12: 11: 5: 352: 342: 341: 336: 331: 326: 310: 309: 302: 295: 287: 284: 283: 266: 253: 252: 236: 220: 218:, 2, pp.13-40. 204: 184: 149: 148: 146: 143: 141:buried forest 135: 132: 82: 79: 20:Mount Achernar 15: 9: 6: 4: 3: 2: 351: 340: 337: 335: 332: 330: 327: 325: 322: 321: 319: 308: 303: 301: 296: 294: 289: 288: 282: 280: 276: 272: 267: 264: 260: 259: 249: 246: 240: 233: 230: 224: 217: 214: 208: 202: 198: 194: 188: 174: 170: 166: 165: 160: 154: 150: 142: 140: 139:Gordon Valley 131: 129: 125: 120: 116: 112: 108: 104: 100: 96: 92: 88: 78: 76: 72: 68: 64: 60: 56: 50: 21: 279:expanding it 268: 247: 244: 239: 231: 228: 223: 215: 212: 207: 192: 187: 176:. Retrieved 162: 153: 137: 128:Glossopteris 84: 77:.Antacrtica 19: 18: 63:Law Glacier 44: / 318:Categories 178:2023-08-06 145:References 126:nature of 119:tree rings 124:deciduous 95:siltstone 91:sandstone 73:used in 71:Achernar 32:160°56′E 232:Science 111:Permian 53:) is a 29:84°12′S 199:  134:Go see 115:fossil 101:, and 269:This 99:shale 275:stub 197:ISBN 103:coal 87:beds 55:peak 89:of 320:: 171:, 167:. 161:. 130:. 97:, 93:, 306:e 299:t 292:v 281:. 181:. 22:(

Index

84°12′S 160°56′E / 84.200°S 160.933°E / -84.200; 160.933
peak
MacAlpine Hills
Law Glacier
New Zealand Geological Survey Antarctic Expedition
Achernar
fixing the survey baseline
beds
sandstone
siltstone
shale
coal
Beacon Supergroup
Permian
fossil
tree rings
deciduous
Glossopteris
Gordon Valley
"Mount Achernar"
Geographic Names Information System
United States Geological Survey
United States Department of the Interior
ISBN
978-0-7864-3590-6
Stub icon
Shackleton Coast
stub
expanding it
v

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