Middle Triassic carbonate deposits and calcareous algae from the Sasca zone (Southern Carpathians, Romania)

Facies - Tập 30 - Trang 85-100 - 1994
Ioan I. Bucur1, Carol Strutinski1, Dana Pop-Stratila2
1Department of Geology-Mineralogy, University of Cluj-Napoca, Cluj-Napoca, Romania
2Cluj Branch, Institute of Geology and Geophysics Bucharest, Cluj-Napoca, Romania

Tóm tắt

The Sasca zone situated in the innermost part of the Getic Domain from the South Carpathians comprises mainly Triassic deposits of Scythian-Anisian (?Ladinian) age that can be ascribed to four different members forming the Sasca Formation. Three of the members consist of carbonate deposits. Their study permitted a brief characterization of the main microfacies types, and especially in the Valea Susara Limestone Member the identification of a relatively rich association of foraminifers and calcareous algae. The assemblage withMeandrospira dinarica, Pilammina densa, Oligoporella pilosa andPoncetella hexaster identified in these limestones indicates a Middle Anisian age (Pelsonian-Lowermost Illyrian). Difficulties arise in differentiating between the forms belonging to theOligoporella-Physoporella group for which a taxonomic revision is necessary. The morphologic characteristics of the three varieties ofDiplopora subtilis allow a splitting into different species.Teutloporella peniculiformis Ott, 1963 is regarded as anomen nudum.

Tài liệu tham khảo

Baltres, A. (1975): Der obere Anis von Lacul Rosu (Ostkarpaten): Algen, Foraminiferren, sedimentologie und diagnese.—14th European Micropaleontological Colloquium, Special publ., 115–121, 2 figs., 2 pls, Bucharest Botteron, G. (1961): Etude géologique de la région du Mont d'Or (Préalpes romandes).—Eclogae geol. Helv.,54/1, 29–67, 16 figs., 12 pls., Basel. Böckh, J. (1887): Triazkorbeli lerakódasok fellepte Szászkabányan. —Földt. Közl.,18. Köteteböl., 182–194, Budapest. Bucek, S. (1989): Vysledky vyskumu dasykladálnych rias v triasovych sekvenciách Malych Karpát.— Zbornik z paleontologickej Konferencie, Geol. ústav Dionyza Stúra, 133–137, 3 pls., Bratislava. Bucur, I.I. (1991): Studiul Jurasicului si Cretacicului din unele perimetre cu perspectiva pentru carbunii liasici intre Valea Minisului si Valea Nerei (compartimentul central al zonei Resita-Moldova Noua, Banat).—Unpublished PhD Thesis, 203 p., 100 pls., Cluj-Napoca. Bystricky, J. (1964): Slovensky kras. Stratigrafia a Dasycladaceae mezozoika slovenshého krasu.—Ustredny ustav geologicky, 204 p., 38 pls., Bratislava. — (1975): Genus AciculellaPia, 1930 (Kalkalgen) in der Trias der Westkarpaten.—Geol.Zbornik-Geol. Carpathica,26, 1–10, Bratislava. — (1986): Stratigraphic ranging and zonation of dasyclad algae in the West Carpathians Mts., Triassic.—Mineralia slov.,18/4, 289–321, Bratislava. Dragastan, O., Diaconu, M., Popa, E. &Damian, R. (1982): Biostratigraphiy of the Triassic formations in the east of the Padurea Craiului Mountains.—D. S. Inst. Geol. Geophys.,72/4, 29–61, 3 figs., 20 pls., Bucharest. Dragastan, O. &Gradinaru, E. (1975): Asupra unor alge, foraminifere. sphinctozoare si microproblematice din Triasicul din Carpatii Orientali si Dobrogea de Nord.—Stud. Cercet. Geol. Geofiz. Geogr., Geologie,20/2, 247–254, 2 figs., 6 pls., Bucuresti Gazdzicki, A. Trammer, J. &Zawidzka, K. (1975): Foraminifers from the Muschelkalk of Southern Poland.—Acta Geol. Pol.25/2, 285–298, 3 figs., 12 pls., Warszawa Gaetani, M. &Gorda, M. (1989): The Anisian (Middle Triassic) carbonate bank of Camorelli (Lombardy, Southern Alps).—Facies,21, 41–56, 4 figs., 5 pls. (9–13), Erlangen Gümbel, C. W. (1872): Die sogenannten Nulliporen (Lithothamnium undDactylopora) und ihre Betheiligung an der Zusammensetzung der Kalkgesteine. Zweiter Theil: Die Nulliporen des Tierreichs (Dactyloporideae) nebst Nachtrag zum ersten Theile.—Abh. d. II Cl. k. k. Akad. Wiss.,XI, 231–290, 4 pls., München Güvenc, T. (1979): Dasycladacées métaspondyles du Paléozoique supérieur et du Trias.—Bull. Cent. Rech. Explor.-Prod. Elf-Aquitaine,32, 625–637, 5 figs., 1 tab., Pau Halavats, G. & Schreter, Z. (1915): Féhertemplom, Szászkabánya es Omoldova könyéke.— Magyarazatok-a magyar kor országainak reszletes geologiaai térképehez.,26/27, ov/XXV. oszlap., jelzesu, lap. (1: 75.000), 55p., Budapest Herak, M. (1965): Comparative study of some Triassic Dasycladaceae in Yugoslavia.—Geoloski vjesnik,18/1, 3–34, 1 fig., 15 pls., Zagreb Hurka, H. (1969): Umbildungstendenzen der Astformen inPhysoporella-Oligoporella-Populationen (Dasycladaceen) aus dem Anis der Pragser Dolomiten (Italien).—N. Jb. Geol. Paläont., Mh.,1969/2, 104–120, 7 figs., Stuttgart Limongi, P., Panzanelli-Fratoni, R., Ciarapica, G., Cirilli, S., Martini, R., Salvini-Bonnard, G. &Zaninetti, L. (1987):Turriglomina Zaninetti, n. gen., un nouveau nom pour “Turritellella” mesotriasicaKoehn-Zaninetti, 1968 (Foraminifère, Trias moyen), avec remarque sur la présence de l'espèce dans le Ladinien de l'Apennin méridional.—Arch. Sc. Genève,40/1, 13–22, 2 figs., Genève Nastaseanu, S. &Maksimovic, B. (1983): La corrélation des unités structurales des Carpathes Méridionales de Roumanie et de Yougoslavie.—An. Inst. Geol., Geophys.,60, 169–176, 3 figs., Bucharest Oravecz-Schefer, A. (1987): Triasic foraminifers of the Transdanubian Central Range.—Geologica Hungarica, Ser. Paleontol.,50, 3–134, 12 figs., 6 tab., 98 pls., Budapest Ott, E. (1963): Untersuchungen an ladinischen Dasycladaceen aus der Nördlishen Kalkalpen.—Inaugural Dissertation, Fotodruck, 43 p., 5 pls., 47 figs., Tübingen — (1966): Die gesteinsbildenden Kalkalgen in Schlauchkar (Karwendelgebirge).—Jahrbuch des Vereins zum Schutze der Alpenpflanzen und Tiere,31, 1–8, 7 figs., München. — (1972a): Neufunde anisischer Dasycladaceae (Kalkalgen) in Österreich.—Anzeiger Österr. Akad.Wiss., math.-naturwiss. Kl.,9, 187–200, 4 figs., Wien — (1972b): Zur Kalkalgen-Stratigraphie der alpinen Trias.—Mitt. Ges. Geol. Bergbaustud.,21, 455–464, Innsbruck — (1972c): Die Kalkalgen-Chronologie der alpinen Mitteltrias in Angleichung an Ammoniten-Chronologie.—N. Jb. Geol. Paläontol., Abh.,141/1, 81–115, 2 figs., 1 tab., Stuttgart. Ott, E. (1974): Algae (Dasycladaceae).— In:H. Zapfe (coord.)—Catalogus Fossilium Austriae,17b, p. 1–64, Wien Pantic, S. (1970): Caractéristiques micropaléontologiques de la colonne triasique de l'anticlinal de Zdrelo (Serbie orientale).—Vesnik, ser. A.,28, 463–495, 2 figs., 13 pls., Beograd Patrulius, D. (1970): Inventar sumar al algelor dasycladacee triasice din Carpatii romanesti.—D. S. Inst. Geol.,LV/3, p. 187–196, 5 pls., Bucaresti Pia, J. (1912): Neue Studien über die triadischen Siphoneae Verticillatae.—Beiträge zur Paläontol. u. Geol. Österr. Ung. u. d. Orients, Mitteil. Paläont Geol. Inst. Univ. Wien,25, 25–81, 7 pls., Wien Pia, J. (1920): Die Siphoneae Verticillatae vom Karbon bis zur Kreide.— Abhandlungen d. Zoologisch-Botanischen Ges. in Wien,XI/ 2, 263 p., 27 fig., 8 pls., Wien. — (1927): Thallophyta.—In:Hirmer, M.: Handbuch der Paläobotanik.—31–136, 115 fig., München (Oldenbourg) — (1930): Upper triasic fossils from the Burmo-Siamese frontier. A new Dasycladacea,Holosporella siamensis nov. gen., nov. sp., with a description of the allied genusAciculella Pia.—Records, Geol. Surv. India,63/1, 177–181, 1 fig., 1 pl., (pl. 4), Calcutta — (1935): Die Diploporen der anisischen Stufen Bosniens.—Annales Géol. de la Pénins. Balkanique,12/2, 190–246, 55 fig., 5 pls., Beograd Popa, E. &Dragastan, O. (1973): Alge si foraminifere triasice (Anisian-Ladinian) din estul Padurii Craiului (Muntii Apuseni).—Stud. Cercet. Geol. Geofiz. Geogr., Geologie,18/2, p. 425–442, 22 pls., Bucuresti Salaj, J. Borza, K. & Samuel, A. (1983): Triassic foraminifers of the West Carpathians.—Geologicky Ustav D. Stura, 213 p., 23 figs., 157 pls., Bratislava. Salaj, J., Trifonova, E. &Gheorgian, D. (1988): A biostratigraphic zonation based on benthic foraminifera in the Triassic deposits of the Carpatho-Balkans.—Revue de Paléobiologie, vol. spec.2 (Benthos '86), 153–159, 3 figs, Genève Salomon, W. (1895): Geologische und paleontologische Studien über die Marmolata.—Palaeontographica,42, 1–210, 8 pls., Stuttgart Sandulescu, M. (1975): Essai de synthèse structurale des Carpates.—Bull. Soc. Geol. France, (7),17/3, 229–358, 30 figs., Paris Steinmann, G. (1903): Triploporella remesi, eine neue Dasycladaceae aus dem Tithon von Stramberg.—Beitr. Paläont. Geol. Österr.-Ung. u. d. Orients, Mitteil. Geol. Inst. Univ. Wien,XV/2, 45–54, 11 figs., Wien Strutinski, C., Bucur, I.I., Nicu, M., Pop-Stratila, D. &Török, I. (1987): New data on the stratigraphy and tectonic position of the Triassic deposits from Sasca Montana (Banat hills, Romania).—Studia Univ. Babes-Bolyai, Geol.-Geogr.,32/2, 61–69, 4 figs., 2 pls., Cluj-Napoca Zanin-Buri, C. (1965): Il Trias in Lombardi (Studi geologici e paleontologici). XIII. Le alghe calcaree delle Prealpi Lombarde.—Riv. Ital. Paleont.,71/2, 449–544, 1 fig., 23 pls., (42–64), Milano Zaninetti, L. (1976): Les foraminifères du Trias. Essai de synthèse et corrélation entre les domaines mésogéens européen et asiatique.—Riv. Ital. Paleont.,82/1, 1–258, 12 figs., 3 tab., 24 pls., Milano Zaninetti, L., Brönnimann, P., Bozorgnia, F. &Huber, H. (1972): Etude lithologique et micropaléontologique de la formation d'Elika dans la coupe d'Aruh, Alborz central, Iran septentrional.—Arch. Sc. Genève,25/2, 215–249, 11 figs., 4 pls., Genève Zaninetti, L., Ciarapica, G., Martini, R. &Salvini-Bonnard, G. (1987):Turriglomina scandonei, n. sp., dans les calcaires récifaux du Trias moyen (Ladinien) en Apennin Méridional.—Rév. Paléobiologie,6/2, 177–182, 1 fig., 1 pl., Genève