Palinostratygrafia osadów górnego permu i triasu w otworze wiertniczym Radwanów IG 1
Abstract
Przebadano 180 preparatów wykonanych z próbek pobranych z głęb. 150,0-1677,0 m otworu wiertniczego Radwanów IG 1. W osadach górnego permu wyróżniono trzy zespoły sporowo-pyłkowe: najstarszy ZpI - występujący w osadach niższej części dolnego permu, młodszy ZpII - w utworach siarczanowych dolnego górnego permu i najmłodszy ZpU - w osadach środkowego górnego permu. W osadach triasu stwierdzono sześć zespołów mikroflorystycznych: ZtI - środkowego pstrego piaskowca, ZtII - retu, ZtIII - dolnego wapienia muszlowego, ZtIV - środkowego wapienia muszlowego, ZtV - górnego wapienia muszlowego oraz ZtVI - dolnego kajpru korelowanego z warstwami sulechowskimi. THE PALYNOSTRATIGRAPHY OF THE UPPER PERMIAN AND TRIASSIC FORMATIONSIN THE BOREHOLE RADWANÓW IG 1 The palynologic investigations have been made in the Upper Permian and Triassic formations (Fig. 1, 2) in the borehole Radwanów IG 1 (l50,0-167,0 m). 121 samples were taken, from which 23 were negative. In the sediments of the Upper Pennian. 3 spore-pollen assemblages were distinguished, which belonged to the palynologic zone Lueckisporites virkkiae (Table 1).In the Triassic formations, 6 microflora assemblages have been found (Table 2). The oldest of them ZtI belongs to the subzone Cycloverrutriletes presselensis, of the zone Densoisporites nejburgii distinguished in the higher Middle Buntsandstein. The assemblage ZtII represents the zone Voltziaeaesporites heteromorpha of the Rhaetic. The assemblage ZtIlI contains the species Perotrilites minor (Madler) Antonescu et Taugordeanu-Lantz, specific for the zone with the same name, distinguished in the Lower Muschelkalk. The assemblage ZtIV belongs to the zone Tsugaepollenites oriens, existing in the Middle Muschelkalk. the assemblage ZtV represents the subzone Tasmanites of the zone Heliosaccus dimorphus, distinguished in the Upper Muschelkalk, and the association Zt VI belongs to the upper part of this zone, distinguished in the Lower Keuper.Downloads
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2013-03-23
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