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Facies (2007) 53:389–400 397
Fig. 6 Characteristic microfauna and microXora of the Punta Bassano pseudoalatus (SM28). For the palynomorphs, the scale bar represents
carbonate succession. Foraminifers: a, b Hoyenella inconstans (a 10 m. Ostracods: k, l Kerocythere cf. quattervalsi (SM12). m, n Lutk-
SM23; b SM3). c Endotriada cf. tyrrhenica (SM3). d Endotriadidae evichinella lata (SM12). o, p Cytherelloidea cf. praepulchella (SM20).
(SM5). e “Trochammina” (SM12). f, g Endotriadella spp. (SM26). For q, r Lutkevichinella keuperea (SM20). For the ostracods, the scale bar
the foraminifers, the scale bar represents 100 m. Palynomorphs: h, i represents 100 m
Gliscopollis meyeriana (h as tetrad status SM13; i SM28). j Ovalipollis
The association Lutkevichinella lata/Kerocythere cf. been deWned and interpreted in terms of palaeoenvironmen-
quattervalsi, found in sample SMA12, is in agreement with tal evolution, based on micro-, bio-, and palyno-facies anal-
a Ladinian-Norian age. The associations Coronocypris yses. The following steps are suggested to explain the
corunula/Lutkevichinella keuperea/Cytherelloidea cf. prae- facies superposition and depositional patterns across the
pulchella and Cytherelloidea cf. praepulchella/Laevicy- section.
there/Kerocythere, found in the samples SMA20 and
SMA23, respectively, point out a Carnian-Rhaetian inter- DS1
val.
The Wrst system covers the early 30 m of the succession. It
Depositional environment is composed of eight shallowing-upward cycles from
homogeneous limestone (lithofacies type 1) to clayey marls
The depositional environment of the Punta Bassano series and marls (lithofacies type 6), which underline the end of
can be divided into Wve depositional systems, DS1 to DS5, each genetic unit. The limestone intervals of each cycle
displaying shallowing-upward trend (Fig. 5). They have normally start with mudstone (MF1), sometimes containing
intermittent-energy storm deposits (MF3 and MF5), and
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