Rock Property Measurements on Large-Volume Core Samples from Yucca Mountain USW GU-3/G-3 and USW G-4 Boreholes, Nevada Test Site, Nevada

摘要

Core samples were selected at the drill site so as to be representative of the major lithologic variations observed within the principal stratigraphic units. Upon removal from the borehole, the cores were washed free of drilling mud, labeled as to depth and vertical attitude, wrapped in aluminum foil, and coated with beeswax in an effort to minimize the loss of natural pore water during the period prior to rock property analysis. Following delivery to the Denver laboratories of the USGS, the samples were measured for electrical resistivity, induced polarization, porosity, bulk and grain density, and compressional sonic velocity. The results of the measurements are intended for use in the interpretation of inhole and surface geophysical surveys as well as to provide a means for rock property characterization that is not normally possible with conventional borehole techniques. 7 references, 12 figures, 4 tables. (ERA citation 10:006507)