What are the challenges of studying sea spreading?

The stages of rifting, spreading and the cessation, of activity the South China Sea basin in Cenozoic appears to be coeval with the progressive closure of the ... May 5, 1999 ... Developing the theory · Ocean floor mapping · Magnetic striping and polar reversals · Seafloor spreading and recycling of oceanic crust. Sep 25, 2008 ... Muller, R.D., M. Sdrolias, C. Gaina, and W.R. Roest 2008. Age, spreading rates and spreading symmetry of the world's ocean crust, Geochem. ... seafloor. At the same time the existing seafloor spreads (seafloor spreading) and presses the Earth's surface, including the continents, apart. In so-called ... Seafloor spreading contributes to continental drift, which is the theory that continents began as a single landmass and have moved over time to their present ... 2 cm * 475 km/cm = 950 km = 95,000,000 cm = 9.5 * 107 cm · 65 million years = 65,000,000 years = 6.5 * 107 years. Mar 2, 2017 ... Abstract ... Asymmetric seafloor spreading is indicated by the distances spanned over Chron intervals for the western and eastern flanks of the ... We present a tectonic interpretation of the breakup and early seafloor spreading between India and Antarctica based on improved coverage of potential field and ... ... Sea from the Owen Fracture Zone in the west to ... Early Tertiary seafloor spreading magnetic anomalies and paleo-propagators in the northern Arabian Sea. Support for Hess's theory of seafloor spreading included evidence from molten material, magnetic stripes, and drilling samples. First, pillow-shaped rocks found ...