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Deep crustal reflection recordings using "Vibroseis" methods; a feasibility study
This work on deep crustal reflections started in 1972. Possibilities for improvement in signal quality were noted and, in 1973, were incorporated in a new experiment. All work was done with 15.0–2.0Expand
LITHOPROBE East onshore-offshore seismic refraction survey —constraints on interpretation of reflection data in the Newfoundland Appalachians
Abstract Combined onshore-offshore seismic refraction/ wide-angle reflection data have been acquired across Newfoundland, eastern Canada, to investigate the structural architecture of the northernExpand
Experimental uses of short pulse radar in coal seams
We discuss here a series of radar tests conducted to determine the penetration distances and reflection ranges obtainable in coal with currently available short‐pulse radar. The various field testsExpand
Ground-probing radar for delineation of rock features
Abstract The use of ground-probing radar in rock mechanics has been, up until recently, a laboratory curiosity. Most of the work previously done had been in soils using surface profiling in pursuitExpand
IRIS Seismology Program marks 20 years of discovery
The year 2004 marked the twentieth anniversary of the Incorporated Research Institutions for Seismology (IRIS) Consortium and its four core programs: the Program for Array Seismic Studies of theExpand
A NEW SENSING SYSTEM FOR PRE-EXCAVATION SUBSURFACE INVESTIGATION FOR TUNNELS IN ROCK MASSES. VOLUME II. APPENDICES: DETAILED THEORETICAL, EXPERIMENTAL AND ECONOMIC FOUNDATION
Contents: Theoretical studies-(Alternatives considered for a feasible baseline system, Rock characteristics of significance in tunneling, Range and resolution, Acoustic wave propagation in hard rock,Expand
Making the paper: James Fowler
FIRST AUTHOR Designing a space telescope to detect Earth-like planets poses a number of technical challenges, most notably achieving contrast levels high enough to image a planet that appears 10Expand
Seismic mine monitor system. Phase 4: Report
A NEW SENSING SYSTEM FOR PRE-EXCAVATION SUBSURFACE INVESTIGATION FOR TUNNELS IN ROCK MASSES. VOLUME I. FEASIBILITY STUDY AND SYSTEM DESIGN
This report includes a feasibility study and system design for an initial prototype of a sensing system for pre-excavation subsurface investigation for tunnels in rock. Tunnels in rock are veryExpand
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