58A
AND C G M I K ~ E N G ~ C S SPEED 803267 AERIAL P H O I D G ~ EXPZDRATION Coal M_In Process, V16, I~2, Feb 1979, P54-56
Site 803262 EXPERIMERTAL DETerMINATION OF THE RESIDUAL STRESS ~ IN A BASALTIC COLL%~ Book, H Proc ~th Compress In~a~ma%iomal SOciety far Rock M e @ ~ c s , Mo~MweI~X, 2"8 Sel~ 1979, vol i, ~5~9. Publ ~ a m , A A
Describes briefly a coal reserve study combining aerial imhc~ography, iSh~ogrsrm~try and computer analysis of data to produce a numerical printout (estimates of coal, overburden etc) and a series of maps.
Geophysical techniques
BaS.kema, 1979
Core recovery, logging, probing, boring and m m ~ 803263 STABILITY STUDY OF U N S T ~ WEDGES CAUSED BY LARGE EXCAVATIONS AT ITAPARICA DAM Nazario, F A S; S h a ~ , S; Lucas, N Proe ~th congress Inl~rnetiomal society for Rock M ~ C S , M~e~x, 2-8 sept 1979, Vol i, ~ 7 0 2 , Publ Rotterdam, A A Balkema, 1979 Repsrts a s ~ of the results of 6 criented b(~imgs i ~ s e e t l m g 61"5 fract'~re plames, amd
their analysls by c~mputer.
Photographic techniques 80326~ ~ A L MO'~.
PHOTOGP~@~:~Y FOR MEASURTNG PILE TECHNICAL
8o3268 LOCATION OF FAULTS BY UNDERGROUND SEISMOLOGY Bucharem, D J Colliery Guard, V227, N8, Aug 1979, I~19-427 Discusses the theory behind the method, the data acquisition amd procesalng problems, and results obtained at a coal mine. 803269 VELOCITY INVERSION AND THE SHALLOW SEISMIC Pd~T~CTION METHOD Whlteley, R J; Greenhalgh, S A Geoexplcration, VlT, N2, M~y 1979, P125-141 803270 USE C~ ELECTRICAL RESISTIVITY METHODS FGR STJDY OF COAL SEAMS IN PARTS OF T~E JHARIA COALFIELD, INDIA Verma, R K; ~uin, N C Geoexplcration, VI7, N2, May 1979, P163-176 Relx~ts the use of resistivity m e ~ o d s using W~, Two-electrode a~l Nalf-Sehiud~erge~ configurations.
Bozozuk~ M; Van Wi~k, M C; Fellenlus, B H
Can Seo~eeh J, V~, ~, Nov 1978, ~96-599 803265 PHOTOSTRUCTURAL DEfeCTION OF CONCEALED CLEAT AND FAULTS INFI//ENCI~ COAL MINE PLanNING Heddecker, E J Prom Aus~ralas Inst Min Metall, N270, June
1979, P 3 ~ 6 Aerial photogral~hs of cover contain indirect imdlca~ions of ccmeesled strmc~ares in arrays of l~mear ~ t ~ t ~ r e s . ~ i c techuiques applleable to complex arrays are illustrated fc~ a cove~ed part of the Galilee Coal Basin, Queensland. 803266 IMAGERY ANALYSIS: ~ I C T I N G HAZARDS Rimkenl)erger, R K Coal Min Process, V16, N2, Feb 1979, F48-50 Outlines the interlm~etation of satellite amd alrcraf% imagery as part of a groumd stabillty evaluation programme for a coal mine.
803271 ELECTRICAL RESISTIVITY SOUNDING AS A TECHNIQUE FOR STUDYTRG CRUSTAL DILATARCY PRIOR TO EARTHQUAKES D2uryj M J Can J Esrth Sci, VI6, N2, Feb 1979, P205-214 803272 SHALLOW CRUSTAL SOUNDING IN THE ~ C ~ PROVINCE BY AUDIO FREQUEIqCY MAGNET(YgELLURICS Kozlsr, A; Stramgway, D w Can J Earth Sol, VlS, NIl, Nov 1978, P17011711 Reports investigations in a gmaissic belt in northwestern Ontario, Canada, using frequencies from lOHz to lOkHz. 803273 ~ O S T MAPPING BY AUDIOFREQUENCY MAGNETOT~ tURICS Kozisrj A; Stramgway, D W Can J Earth Sel, VlS, NI0, Oct 1978, P15391546