Search Results - "Roobol, M. John"

On the development of a seismic source zonation model for seismic hazard assessment in western Saudi Arabia by Zahran, Hani M., Sokolov, Vladimir, Roobol, M. John, Stewart, Ian C. F., El-Hadidy Youssef, Salah, El-Hadidy, Mahmoud

“…A new seismic source model has been developed for the western part of the Arabian Peninsula, which has experienced considerable earthquake activity in the…”
Get full text

The Madinah eruption, Saudi Arabia: Magma mixing and simultaneous extrusion of three basaltic chemical types by Camp, Victor E., Hooper, Peter R., Roobol, M. John, White, D. L.

Get full text

Paleovolcanic facies and exhalite geochemistry; guides for selecting exploration areas in volcano-sedimentary complexes by Roobol, M. John, Hackett, Damien

“…About a half of the 620,000-km2 upper Proterozoic Arabian Shield comprises weakly meta-morphosed and tectonized volcano-sedimentary rocks. Prospecting for…”
Get full text

Lithic breccias in pyroclastic flow deposits on St. Kitts, West Indies by ROOBOL, M. J, SMITH, A. L, WRIGHT, J. V

Get full text

Revisions in the pyroclastic stratigraphy of Mt Misery Volcano, St. Kitts, Lesser Antilles; 14C ages and recognition of pyroclastic flow deposits by Roobol, M. John, Smith, Alan L, Wright, John V

“…New radiocarbon dates reveal that unlithified pyroclastic deposits erupted from Mt Misery range from older than 42 000 yr to younger than 1750 yr B.P. Previous…”
Get full text

Discussion on the upper Proterozoic ophiolite mélange zones of the easternmost Arabian Shield by Camp, V. E, Jackson, N. J, Ramsay, Colin R, Roobol, M. J, Stoeser, Douglas B, White, D. L

“…Drs V. E. Camp, N. J. Jackson, C. R. Ramsay, M. J. Roobol, D. B. Stoeser and D. L. White write: The recent paper by Al-Shanti and Gass (1983) describing…”
Get full text