bl"Owa-Pr6szk:6w. Motna tu oczeklwac obecooki mlodszych ogniw stratygrafJ.cznych 'kredy, a to mar-gli koniaku; tch jakosclowe pa'l'ametry chemiczne nie byly przedmiotem badan. Wyst4PIjllce na tym obsza-ne osady miocenslcle, tworzllce nadldad -kredy, mo-giyby w niektfuych przypadkach bye wykorzystane jalro surowiec "meki".
LITERATURA
1. Alexandrowicz S. W. - Pozycja geologicz-na U6w mioceflskich
w
Groswwicach koto Opola. spraw. Pos. Kom. PAN XI1/2. KrakOw, 1968.SUMMARY
Upper Cretaceous marls and limestones out-cropping over the area of Opole and in its vicinities have been eX!pldited for a long time. In active quar-ries, development, variability and f-auns! succession
of Cretaceous strata may be traced, which is of re-mal'kable importance fur age determinations. Basic geolog.i.cal worlal, carried out by German geologists (3), (5), (6) and continued after the Second World War by Polish geologists (2), gave general characte-rlstLcs of the Opole Cretaceous and
its
division Intothe Cenomanian and Turonian.
The successive stage of geological works was connected with detailed recognition and evaluation of limestone and marly deposits. This stage involved drdlling about 160 boreholes, and gave rich material for Uthological, geochemical and micropaleontological studies, which enabled elaboration of basic stratl-graphical profile for the Cretaceous of the Opole region and evaluation of its deposits.
2. B i er ,n a t S. - Budowa geologiczna kredy
opol-slciej. Btu!. lost. Geol. nr 152. Warszawa, 1960. 3. Fie gel K. - Die obere Kreide bel Oppeln. Z.
dtsch. geol. Ges. Bd. 56. Berlin, 1904.
4. J e'l' z y k i e w i c z T. - Pr6ba wyjaSn:ienia gene-zy
Wtaii.
ciosowych margli opolskieh. :Acta geol. pol. 19/2. Wm'\Szawa, 1969.5. Leo·n h a r d R. - Fauna der Kreidefonnation I-n Oberschlesien. PaloaeontograJphica Bd. 44. Stuttgart, 1898.
6. Mic h a e 1 R. - Zur Ke.nntnis der Krelde6cholle von Oppeln in Oberschlesien. Jb. Preua9. Geol. Landesaost. 40, vol. 1. Berlin, 1921.
PE3IOME
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