1. Geologic time scale http://www.geo.ucalgary.ca/~macrae/timescale/timescale.html 4600 My 600 My 65 My

2. AFRICA SOUTH AMERICA LAURENTIA ANTARCTICA TEXAS BALTICA RODINIA Late Neoproterozoic

24. AFRICA SOUTH AMERICA LAURENTIA ANTARCTICA TEXAS BALTICA PANNOTIA Early Cambrian

25. Geologic time scale http://www.geo.ucalgary.ca/~macrae/timescale/timescale.html 4600 My 600 My 65 My

26. Early Cambrian

30. Middle Cambrian

31. Late Cambrian

32. Early Ordovician

35. Middle Ordovician

36.  1999 UTIG Late Ordovician

37.  1999 UTIG Early Silurian

38.  1999 UTIG Early Silurian

39.  1999 UTIG Late Silurian

40.  1999 UTIG Early Devonian

41.  1999 UTIG Early Devonian

42.  1999 UTIG Middle Devonian

43.  1999 UTIG Middle Devonian

44.  1999 UTIG Middle Devonian

45.  1999 UTIG Late Devonian

46.  1999 UTIG Early Carboniferous

47.  1999 UTIG Early Carboniferous

48.  1999 UTIG Early Carboniferous

49.  1999 UTIG Late Carboniferous

50.  1999 UTIG Late Carboniferous

51. Geologic time scale http://www.geo.ucalgary.ca/~macrae/timescale/timescale.html 4600 My 600 My 65 My

52.  1999 UTIG Late Carboniferous

53.  1999 UTIG Late Carboniferous

54.  1999 UTIG Early Permian

55.  1999 UTIG Early Permian

56.  1999 UTIG Early Permian

57.  1999 UTIG Late Permian

58.  1999 UTIG Middle Triassic

59.  1999 UTIG Middle Triassic

60.  1999 UTIG Late Triassic

61.  1999 UTIG Late Triassic

62.  1999 UTIG Early Jurassic

63.  1999 UTIG Early Jurassic

64.  1999 UTIG Early Jurassic

65.  1999 UTIG Middle Jurassic

66.  1999 UTIG Middle Jurassic

67.  1999 UTIG Late Jurassic

68.  1999 UTIG Early Cretaceous

69.  1999 UTIG Early Cretaceous

70.  1999 UTIG Early Cretaceous

71.  1999 UTIG Early Cretaceous

72.  1999 UTIG Early Cretaceous

73.  1999 UTIG Late Cretaceous

74.  1999 UTIG Late Cretaceous

75.  1999 UTIG Late Cretaceous

76.  1999 UTIG Late Paleocene

77.  1999 UTIG Early Eocene

78.  1999 UTIG Middle Eocene

79.  1999 UTIG Early Oligocene

80.  1999 UTIG Early Miocene

81.  1999 UTIG Late Miocene

82.  1999 UTIG Present Day

83. From Texas to Antarctica By I.W.D. Dalziel, L.A. Lawver, M.F. Coffin, and L.M. Gahagan  1999, University of Texas Institute for Geophysics September 10, 1999

85. To exit the slide presentation, enter ‘Esc.’ To see an explanatory text once you’ve entered ‘Esc,’ under ‘View’ on the Menu Bar, select ‘Notes Page.’ You can then scroll down through each slide. To re-start the slide show, under ‘Slide Show’ on the Menu Bar, select ‘View Show.’

86. Animation is shown in 10 million-year steps from 750 Ma to Present. The center of the view is 10  S, 60  W which keeps Texas in the field of view. Projection = Orthographic

87. We wish to thank the PLATES’ sponsors for their support: Conoco, Elf, Exxon, Norsk Hydro, and Statoil.

88. For more information, contact: Lisa M. Gahagan Institute for Geophysics 4412 Spicewood Springs Rd., Bldg. 600 Austin, TX 78759 plates@ig.utexas.edu