1. 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

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

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

6. 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

7. Late Neoproterozoic

28. Early Cambrian

31. Middle Cambrian

32. Late Cambrian

33. Early Ordovician

36. Middle Ordovician

37.  1999 UTIG Late Ordovician

38.  1999 UTIG Early Silurian

39.  1999 UTIG Early Silurian

40.  1999 UTIG Late Silurian

41.  1999 UTIG Early Devonian

42.  1999 UTIG Early Devonian

43.  1999 UTIG Middle Devonian

44.  1999 UTIG Middle Devonian

45.  1999 UTIG Middle Devonian

46.  1999 UTIG Late Devonian

47.  1999 UTIG Early Carboniferous

48.  1999 UTIG Early Carboniferous

49.  1999 UTIG Early Carboniferous

50.  1999 UTIG Late Carboniferous

51.  1999 UTIG Late Carboniferous

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

84. For more information, contact: Lisa M. Gahagan Institute for Geophysics University of Texas at Austin plates@ig.utexas.edu