Accession Number : AD0482924

Title :   DATA FOR PRELIMINARY PLANNING OF LARGE BOREHOLE ARRAY.

Descriptive Note : Technical rept.

Corporate Author : GEOTECHNICAL CORP GARLAND TX

Report Date : 15 JUL 1964

Pagination or Media Count : 162

Abstract : It is proposed that a large array of seismographs in shallow boreholes dispersed over an area of several hundred square kilometers would improve the detection and identification of small seismic signals. The purpose of this report is to provide background information on instruments, sites, and installation techniques applicable to a large borehole array.

Descriptors :   (*SEISMOMETERS, UNDERGROUND STRUCTURES), (*SEISMIC WAVES, DETECTION), SPECIFICATIONS, DRILLING, NOISE, STRUCTURAL GEOLOGY, INSTRUMENTATION, SEISMOGRAPHS, STATISTICAL DISTRIBUTIONS, UNITED STATES, AMPLIFIERS, LIGHTNING, LIGHTNING ARRESTERS, REDUCTION, RAYLEIGH SCATTERING, WIND, SITE SELECTION.

Subject Categories : Seismic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE