National Repository of Grey Literature 60 records found  beginprevious39 - 48nextend  jump to record: Search took 0.01 seconds. 
Age determination of the barite veins from Tišnov using palaeomagnetic method
Dolníček, Z. ; Chadima, Martin ; Pruner, Petr
Epithermal calcite-barite veins are typical feature for metallogeny of the Moravian Svratka Dome. Samples of vein fill (calcite+barite) and altered (hematitized) host metagranitoids were studied palaeomagnetically with the aim for better age determination of this mineralization. Using the principal component analysis method, a component bound to hematite was determined and this component corresponds to the Upper Permian-Lower Triassig age.
Vývoj krasu a jeskyní na základě studia jeskynních výplní, Slovinsko. Evolution of karst and caves based on study of cave fill, Slovenia
Pruner, Petr ; Bosák, Pavel
Palaeomagnetic method was used for a study of sedimentary fill of caves in different geological and geomorphological units of Slovenia. Sedimentary fills are substantially older than expected. The origin of cave spaces is older than 1.1 Ma.
Paleomagnetic analysis of two cores from caves in the Trieste region, Italy. Final Report
Bosák, Pavel ; Pruner, Petr
Two cores of cave sediments (Pocala Cave, Borgo Grotte Gigante) contain short reverse polarized magnetozone interpreted as Blake event.
Gamma spectrometric and magnetosusceptibility logs from the Frasnian platform limestones (Moravia): indications of their large correlation potential
Hladil, Jindřich ; Pruner, Petr ; Elwood, B. B. ; Jansa, L. F.
The study develops two geophysical and interpretation concepts related to the reciprocal lowstand clastic and highstand carbonate sedimentation on Middle to Late Devonian carbonate platforms. The gamma spectrometric and magnetosusceptibility measurements document the lowstand episodes and major phases in dispersal of terrigenous weathering products. Six Frasnian cycles were tested for their global correlation capacity and environmental/paleoclimatic significance.

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