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Australian-Antarctic Plate

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Journal Article
Journal: GSA Bulletin
Published: 14 July 2017
GSA Bulletin (2017) 129 (11-12): 1568-1584.
... constraints, suggest that sediments of the lower Heritage Group were derived from the paleo-Pacific margin of the Australian-Antarctic plate. Cryogenian igneous zircon ages from the Union Glacier Formation indicate proximal rift-related magmatism, previously only recognized in the Transantarctic Mountains...
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Journal Article
Journal: Lithosphere
Published: 10 June 2019
Lithosphere (2019) 11 (4): 551-559.
... of the formerly opposing Australian-Antarctic plate. Fugitive elements of this arc-backarc system in North America share a common geological record with their left-behind Australia-Antarctic counterparts, including discrete peaks in tectonic and/or magmatic activity at 1780 Ma, 1760 Ma, 1740 Ma, 1710–1705 Ma...
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Series: GSA Special Papers
Published: 01 January 2003
DOI: 10.1130/0-8137-2372-8.417
... A variety of evidence has suggested that the enigmatic AustralianAntarctic Discordance is caused by a cold zone beneath the present-day South East Indian Ridge south of Australia. We show that the present position of the subduction zone which surrounded Gondwanaland until the Mesozoic...
Journal Article
Journal: GSA Bulletin
Published: 01 May 2004
GSA Bulletin (2004) 116 (5-6): 619-636.
... deformation along the Pensacola Mountains sector of the East Antarctic margin during the early Ross deformation event. Tectonic studies of obliquely convergent plate boundaries, where plate convergence is characterized by a high ratio of pure-shear to simple-shear components (i.e., convergence dominated...
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Journal Article
Published: 01 May 2019
Journal of Paleontology (2019) 93 (3): 543-584.
..., provided the original work is properly cited. A rich assemblage of isolated body fossils and rare associated skeletal remains of small-bodied ornithopods has been recovered from Early Cretaceous rocks of the Australian-Antarctic rift system, strata of which crop out in sea cliffs and wave-cut shore...
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Journal Article
Published: 03 November 2016
Journal of the Geological Society (2016) 174 (2): 365-376.
..., plate reconfiguration, mantle plume influence). Fig. 1. Reconstruction of Gondwana at c. 180 Ma showing the extent of the main granitoid batholiths of the proto-Pacific margin in West Antarctica and South America. TI, Thurston Island; MBL, Marie Byrd Land; AP, Antarctic Peninsula. Batholiths...
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Journal Article
Published: 24 October 2011
Geological Magazine (2011) 149 (4): 626-644.
...JOHN D. BRADSHAW; ALAN P. M. VAUGHAN; IAN L. MILLAR; MICHAEL J. FLOWERDEW; RUDOLPH A. J. TROUW; C. MARK FANNING; MARTIN J. WHITEHOUSE Abstract Field observations from the Trinity Peninsula Group at View Point on the Antarctic Peninsula indicate that thick, southward-younging and overturned clastic...
Journal Article
Journal: GSA Bulletin
Published: 01 November 1976
GSA Bulletin (1976) 87 (11): 1560-1566.
... Antarctica-Australia, and the sea floor generated between them became continuous with the rest of the Indian Ocean. In Santonian time (80 m.y. B.P.), a new pattern of rapid spreading (as much as 17.5 cm/yr) began and caused an oceanic part of the Indian plate to be transferred to the Antarctic-Australian...
Image
Alternative reconstructions of the <b>Australian</b> and <b>Antarctic</b> conjugate margi...
Published: 01 March 2013
Fig. 6. Alternative reconstructions of the Australian and Antarctic conjugate margins showing restored positions of major basement structures at 47 Ma and 84 Ma based on the rotational poles for Australia obtained from ( a , b ) Whittaker et al . (2007) and ( c , d ) Tikku & Cande ( 1999
Journal Article
Published: 01 March 1999
Bulletin de la Société Géologique de France (1999) 170 (2): 189-194.
... to total local faunas supports the palaeogeographic reconstructions suggesting the existence of East and West Gondwana in the early Cambrian and rifting of Laurentia from Australian-Antarctic margin of East Gondwana (SWEAT hypothesis). A drift of suspect terranes provides some further constraints...
Journal Article
Journal: GSA Bulletin
Published: 01 March 2007
GSA Bulletin (2007) 119 (3-4): 275-288.
... from within east Gondwana and was possibly deposited on the East Antarctic craton prior to the Ross orogeny and is not part of the displaced Ellsworth-Whitmore Mountains crustal block. 11 09 2006 25 08 2005 21 06 2006 GEOLOGICAL SOCIETY OF AMERICA 2007 Antarctica absolute...
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Journal Article
Published: 01 March 2002
Journal of the Geological Society (2002) 159 (2): 145-157.
...I. L. MILLAR; R. J. PANKHURST; C. M. FANNING Abstract Abstract: A revised pre-Jurassic chronology is presented for the Antarctic Peninsula on the basis of new U–Pb zircon dating, using both conventional (11 samples) and SHRIMP microprobe data (10 samples). The age range for plutonism and high-grade...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 1986
GSA Bulletin (1986) 97 (12): 1521-1533.
... to the plutonic rocks of the northern Antarctic Peninsula, to southeastern Australian I-type granitoids, and to other circum-Pacific batholith terrenes. Geochemical features of the southern Antarctic Peninsula batholith complex that are shared with other circum-Pacific subduction-related magmatic arcs include...
Journal Article
Journal: GSA Bulletin
Published: 01 May 1974
GSA Bulletin (1974) 85 (5): 683-702.
... huge relative offsets between the spreading centers separating the Indian and Antarctic-Australian plates from anomaly 33b (Late Cretaceous) to anomaly 19 (Eocene) time. During the Late Cretaceous, Ninetyeast Ridge and Chagos-Laccadive Ridge had similar settings, marking paired offsets of an active...
Journal Article
Journal: Clay Minerals
Published: 01 March 2012
Clay Minerals (2012) 47 (1): 45-58.
... the Australian-Antarctic continent. After the separation of the Indian continent from the Australian-Antarctic continent, cooling of the Indian continent resulted in subsidence and northward subduction of the Indian plate. A gradually rising sea level in Zanda, located along the northern margin of the Indian...
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Journal Article
Published: 01 March 2002
Journal of the Geological Society (2002) 159 (2): 113-116.
..., Antarctica , In : Oliver , R.L. , James , P.R. & Jago , J.B. (eds) Antarctic Earth Science . Canberra , Australian Academy of Science , 339 – 348 . Storey , B.C. , Vaughan , A.P.M. & Millar , I.L. 1996 a. Geodynamic evolution of the Antarctic Peninsula during...
FIGURES
Journal Article
Journal: Geology
Published: 01 January 2000
Geology (2000) 28 (1): 47-50.
... , P. , 1987 , Revised history of early Tertiary plate motion in the south-west Pacific : Nature , v. v. 325 pp. 495 ’ 499 . Tikku , A.A. , and Cande , S.C. , 1999 , The oldest magnetic anomalies in the Australian-Antarctic basin: Are they isochrons? : Journal of Geophysical...
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Journal Article
Published: 01 July 2003
Journal of the Geological Society (2003) 160 (4): 613-628.
... of the Palaeozoic sediments of the Sierra de la Ventana belt is from Kostadinoff (1993) . ( b ) Schematic reconstruction of Gondwana at 530 Ma, showing the large cratons (RP, Rio de la Plata; AM, Amazon; WA, West African; NA, North African; C-SF, Congo–São Francisco; IND, Indian; AUS, Australia; ANT, Antarctic; K...
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Journal Article
Journal: Geosphere
Published: 01 February 2009
Geosphere (2009) 5 (1): 23-50.
... interpretations have necessarily been subordinated to this larger aim. To simplify reading, key references are gathered at the beginning of each section. Since late Proterozoic time, Africa has been a center of continental accretion. Today it is surrounded on three sides by divergent plate boundaries; despite...
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Journal Article
Published: 01 November 2001
Journal of the Geological Society (2001) 158 (6): 983-994.
.... , 1992 . On the organization of American plates in the Neoproterozoic and the breakout of Laurentia , Geological Society of America Today , 2 , 240 – 241 . Davis , G. , Gledhill , A. & Hawkesworth , C. 1985 . Upper Crustal recycling in southern Britain: evidence from Nd...
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