OPTIMIZING GHORABI IRON ORE GRADE BY GEOGRAPHIC INFORMATION SYSTEM (GIS) FOR USES IN STEELMAKING IN EGYPT

Dopita M. et al.: 1997, Geology of the Czech). Praha, MŽP ČR. 278 p. ISBN 80-7212

Doležalová, H., Kajzar, V., Staš, L., So Changes in Subsidence Depression near Karv

TUO, Civil Engineering Series. Ostrava: VŠB

Doležalová, H., Kajzar, V., Souček, K, S using GPS data. Acta geodynamica et geoma

9705. In print. h c24 shows a moderate and almost regular The former section of the significant change of

18) and the continuing section of significantly e probably caused by the complicated tectonic he southern mining panel is situated between were stabilized in the northern part of the area ult A, do not show such irregularities. Smooth were measured there without any sharp changes This also proves the important influence of the elopment of the surface subsidence. the projections of the tectonic faults (in the n) a smooth and almost regular subsidence was the projections of the tectonic faults (in the ce depression) an irregular course of the profile gnificant abnormality was documented at point tonic fault X and obviously the surface terrain northwards, while the points southwards this mining caused by exploitation of mining panels ing panel also influences the course of the depression. repeated GPS surveying on the points of the portant influence of the complicated tectonic e subsidence. While there was a smooth ocumented without important irregularities in regular subsidence was measured in the parts part of the subsidence depression between the y, the geo-mechanical condition of the massif of the subsidence depression. frame of grant project of Czech Science the Czech part of Upper Silesian Basin (in

L., Souček, K.: 2008, Evaluation of Height Karviná (in Czech). In Transactions of VŠB- : VŠB-TUO. ISBN 978-80-248-1873-3, ISSN K, Staš, L. Evaluation of mining subsidence eomaterialia, v. 6, No. 3,

2009. ISSN 1214-