Now showing items 21-30 of 691
LONG PERIOD LEAKING MODES
THE IONOSPHERE OF VENUS
Geology of Culebra Island, Puerto Rico
Culebra Island, located about twenty miles east of Puerto Rico, is composed of undated andesite and spilitic volcanics which are intruded by diorite plutons. On the basis of the ages of similar rocks on Puerto Rico and the ...
Turbidite deposition on the Bellingshausen Abyssal Plain: sedimentologic implications
A number of piston cores from the Bellingshausen abyssal plain contain gravel and sand units which are interpreted as turbidites deposited in submarine channels. Middle and outer fan deposits are lacking, although core ...
A lithologic analysis of the Galveston beach sand with special emphasis on heavy minerals
In this thesis, mineralogical and textural analyses of the sand-silt beach ,deposits of Galveston. Island, Texas, are presented, with special emphasis on. heavy minerals. It is the intent of the author; 1) to describe the ...
Imaging the Great Plains of the Central U.S. using Finite-Frequency Rayleigh Wave Tomography and Implications for Asthenosphere-Driven Uplift
Here we present a 3D shear velocity model for the lower crust and upper mantle beneath the Great Plains in the central United States using finite frequency Rayleigh wave tomography. We use USArray Transportable Array ...