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New lithostratigraphic units in the Klippen Belt

Milan MisiK, Roman Aubrecht, Milan Sykora, Ladislava Ozvoldova

Department of Geology and Paleontology, Faculty of Sciences, Comenius University, Mlynska dolina - G, 842 15 Bratislava

Abstract. New lithastratigraphic units distinguished in Triassic dolomites, Lower Triassic silicites. It is in- the Slovak part of the Pientrty Klippen Belt (Pienidic teresting that the material is identical with that one units only) are summarized in this paper. They are as of the Middle Jurassic crinoidal limestones of the follows: bury Potok Limestone represents Lower Jurassic Czorsztyn Unit. (Sinemurian to Pliensbachian), Krasin Breccia (Upper Further information: MiSIk, Sykora, SiblIk & Bajocian-Bathonian), Bohunice Limestone Formation Aubrecht, 1995. (Oxfordian to Lower Tithoniar*), Horn£ Lysa Limestone (Upper Betriassian to Hauterivian), Samisky Formation Krasin Breccia (Bajocian to Bathonian), Hom£ Srhie Limestone Mem- ber (Berriassian to Lower Valanginian) and Revisn6 Lithology: Breccia is composed by clasts to blocks Limestone (Lower Tithonian). of pink, grey, rarely violetish crinoidal limestones (mostly biosparites) in the crinoidal limestone matrix Key words: Pieniny Klippen Belt, Jurassic, Lower Creta- (mostly biomicrites); it is penetrated by neptunian ceous, lithostratigraphy dykes with synsedimentary filling. Thickness: about 60 m. The clasts differ mutually by colour, amount of terrigenous admixture and During the last two years we have identified micrite content. Krasin Breccia was laid down along strata which were not included in the thorough list of the foot of a submarine scarp formed by synsedi- the lithostratigraphic units concerning the Pieniny mentary fault with accompanying fissures (neptu- Klippen belt by Birkenmajer (1977). Concise defi- nian dykes). Fossils: crinoidal detritus, sponge spi- nitions of the new members will be done here. cules (mainly rhaxa), bryozoan fragments, nube- cularid and lagenid foraminifers, rarely bivalvians Luty Potok Limestone and brachiopods. Voids and fissure fillings are represented by red laminated micrite containing Lithology: Crinoidal limestones. coelobite ostracods Pokornyopsis; their recent des- Thickness: 30 m. Light-grey biosparites with brown cendants are also adapted to the life in the subma- chert nodules represent their lower part; upper part rine caves. is formed by red sandy biomicrite without cherts, Age: Upper Bajocian - Bathonian (established indi- with skeletal fragments of the siliceous sponges rectly; in the immediate underlying strata ammonite (bafflestone intraclasts) with a horizon containing Teloceras ex gr. blagdeni was found (determined dolomite clasts to 7 cm (tempestite?); rare neptu- by M. Rakus). nian dykes with mostly red laminated synsedimen- tary filling. Locality: Krasin quarry near Dolna Suca. Fossils: brachiopods Liospiriferina rostrata, Cirpa Unit. Czorsztyn Succession. Further information: MiSIk, Sykora & Aubrecht, 1994. fronto etc. (determined by M. SiblIk), ammonites Juraphyllites sp., Androgynoceras sp. (determined by M.RakOs), belemnites, crinoidal stems, sponges. Bohunice Limestone Formation Age: Sinemurian - Pliensbachian. Unit: Nizna Succession. Lithology: creamy and pink biomicritic limestones, Locality: Luty Potok W from Kriva, Skalka near Sed- locally with bivalves and brachiopods. liacka Dubova (Orava), Pieniny Klippen Belt. Thickness: about 10 m. Terrigenous admixture: disintegrated granitoid ma- Fossils: in the lower, Oxfordian part, the Globu- terial, small fragments of Permian acid volcanites, ligerina ("protoglobigerina") microfacies with radio-

Slovak Geological Magazine. 1/1996, Geological Survey of Slovak Republic, Bratislava, Slovak Republic, 1996 larians and Colomisphaera; in the Kimmeridgian Fossils: crinoidal detritus, thick-shelled ostracods, part Saccocoma microfacies with golobochets, ju- fragments of punctuate brachiopods, bryozoans, echi- venile ammonoids etc.; some brachiopods with in- noid spines, lagenid foraminifers, sponge spicules. The ternal sediment (polarity structures) Nucleata bouei, heavy mineral assemblage is garnet-dominated, less Lacunosella aff. spoliata (det. by M. SiblIk); the with zircon, rutile, tourmaline and apatite. upper part belonging to Lower Tithonian with Sac- Age: Bajocian-Bathonian (without direct paleontolo- cocoma, Globochaete, Parastomiosphaera malmica gical evidence). and small originally aragonitic bivalvians coated by Locality: Home Sfnie SamaSky, Pruske Succession black Mn-Fe films. (Aubrecht & OzvoldovA, 1994). Older evidence: Age: Oxfordian - Lower Tithonian. Andrusov (1945) considered it as an equivalent of Unit: Czorsztyn Succession. Locality: Babina quarry the Birkenmajer's "flysch-Aalenian" (present Szlach- near Bohunice, Mestecska skala klippe. towa Formation). Sama§ky Formation represents a Further information: MiSIk, SiblIk, Sykora & facial link between Smolegowa + Krupianka Lime- Aubrecht, 1994. stone Formations of the Czorsztyn Unit (shallow- water, sedimented on the elevation) and Flaki Horna Lysa Limestone Limestone Formation of the Kysuca (Branisko) Unit (distal turbidites in the pelagic environment) Lithology: Micritic limestones with dispersed crinoi- Further information: Aubrecht & OZvoldovA, 1994. dal detritus and calciturbidite intercalations. Thickness: 20 m. Light-grey, pink, rarely violet to Home Srnie Limestone Member reddish layered limestones; in their upper part with black and brown chert nodules. Lithology: massive pink micritic limestone. Fossils: crinoidal detritus, small aptychi, skeleton frag- Thickness: 140 cm. Skeletal debris and cross-sec- ments of lithistid sponges, radiolarians, foraminifers, tions of ammonoids are visible macroscopically. Cadosina fusca etc. The allodapic intercalations are Fossils: ammonoids, calcified radiolarians, crinoidal not sharply limited. Shallow-water bioclasts were fragments, bivalve shells, aptychi, bryozoan frag- repeatedly transported into the shallower bathyal; they ments (Trepostomata) and foraminifers e.g. Lenti- represent thin-bedded channelized grain-flows and culina sp. are present. Foraminifers Globuligerina debris-flows. Small lithoclasts of biomicrites with Cras- sp. are relatively frequent in the limestone, which sicollaria (Upper Tithonian) and microoncolites with is atypical for this stratigraphical level. Tintinids Saccocoma (Kimmeridgian - Lower Tithonian) are Calpionellopsis oblonga (Cadisch), Calpionellopsis noteworthy. simplex (Colom), Remaniella dadayi (Knauer), Tin- Age: Upper Berriassian - Hauterivian (based in the tinopsella longa (Colom), Tintinopsella carpathica upper part on radiolarians extracted from the cherts, (Murgeanu et Filipescu) and rare Calpionella al- U.A.14, Upper Valanginian-Upper Hauterivian - Lower- pina Lorenz can be observed in thin sections also. most Barremian ?). No siliciclastic admixture has been observed Locality: Horna Lysa, Vrsatec area near Pruske. Age: Berriassian to Lower Valanginian. Unit: Kysuca Succession (adjacent to Czertezik Locality: Home Sfnie-SamaSky, Pruske Succession succession). (Aubrecht & OZvoldovA, 1994). Older evidence: Another locality: Zadne Skalie klippe near Kyjov It ranks most probably to the Lysa Limestone (Eastern Slovakia) belonging to the Czertezik Suc- Formation sensu Birkenmajer (1977) according to cession. its stratigraphical position. No one from the mem- Further information: MiSIk, SYkora, OzvoldovA & bers mentioned by Birkenmajer (I.e.) has the Aubrecht, 1994. features characteristic for this member. According to the description it is most similar to the Harbatova

Samasky Formation Limestone Member, which differs by the thin bedding. Lithology: rythmical alternation of the grey and yello- Further information: Aubrecht & OZvoldovA, 1994. wish layers of crinoidal limestones (calciturbidites) with claystones, marlstones and fine-grained sandstones. Revisne Limestone Thickness: 35-40 m. In the lower parts of the cri- noidal limestone layers a fine-grained conglomerate sometimes occurs; the top of the beds possess Lithology: white to light-grey nodular limestone with often parallel lamination, sometimes selectively sil- thin (1 cm) greenish clay intercalations. icified. Thickness: indetermined.

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SGEOLOGICAL MAGAZINE

Fossils: aptychi, dissolved casts of ammonoids, Birkenmajer K, 1977: Jurassic and Cretaceous lithostra- Parastomiosphaera malmica (Borza), Colomi- tigraphic units of the Pieniny Klippen Belt, Carpathians, Poland. Stud. Geol. Pol. (Warszawa), 45, 1-158. sphaera pulla (Borza), Colomisphaera minutissima Misik M., Sykora M., OzvoldovA L. & Aubrecht R., 1994: (Colom), Cadosina parvula Nagy and seldom Sac- Horna Lysa (VrSatec) - a new variety of the Kysuca Suc- cocoma. Less frequent detritus from bivalvian shells cession in the Pieniny Klippen Belt. Mineralia slovaca and radiolarian ghosts are observable. No calpio- (Kosice), 26,7-19. nellids have been found. Misik M, Sykora M. & Aubrecht R., 1994: Middle Juras- Age: Lower Tithonian. Locality: Istebne, Kysuca sic scarp breccias with clefts filled by Oxfordian and Valanginian-Hauterivian sediments, Krasin near Dolna Succession Further information: Aubrecht, 1994. Sufa (Pieniny Klippen Belt). Geologica Carpathica (Bratislava), 45, 6, 343-356. MiSnc M., Sykora M., Siblik M. & Aubrecht R., 1995: References Sedimentology and brachiopods of the Lower Jurassic Luty Potok Limestone, (Slovakia). Geologica Carpathica Aubrecht R. & OzvoldovA, 1994: Middle Jurassic - (Bratislava), 46, 1,41-51. Lower Cretaceous development of the Pruske Unit in the MiSiK M., Siblik M., Sykora M. & Aubrecht R., 1994: Western Part of the Pieniny Klippen Belt. Geologica Jurassic brachiopods and sedimentological study of Carpathica (Bratislava), 45, 4, 211-223. the Babina klippe near Bohunice (Czorsztyn Unit, Aubrecht R., 1994: Hauterivian turbidites in the Kysuca Pieniny Klippen Belt). Mineralia slovaca (Kosice), 26, Unit (Pieniny Klippen Belt, West Carpathians). Mineralia 255-266. Slovaca (Kosice), 26, 4, 250-254.

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