Overlying unit(s): Quartzitic phyllites of the Gerichtsgra- W-GWZ: up to 600 m; E-GWZ: Eisenerzer Alpen: up to ben Formation. 1,500 m (Polster area: 400 m, Rötzgraben: > 1,000 m, Bla- Lateral unit(s): Gerichtsgraben Formation; ? correlation seneck: 1,500 m). with acid tuffs above the Kalwang Conglomerate N Kal- Lithostratigraphically higher rank unit: - wang/Lange Teichen valley (LOESCHKE et al., 1990; NEU- Lithostratigraphic subdivision: - BAUER et al., 1994: p. 69). Underlying unit(s): E-GWZ: Gerichtsgraben Formation Geographic distribution: E-GWZ; Styria, Kaintaleck area. (FLAjs & SCHÖNLAUB, 1976; SCHÖNLAUB, 1982a, b). Remarks: - W-GWZ: Wildschönau Schists (MOSTLER, 1970; SCHÖN- Complementary references: - LAUB, 1979, 1980a). In the Wildseeloder Unit W Zell am See the underlying schists are sheared off (HEINISCH, 1988). Overlying unit(s): The Blasseneck Porphyry is overlain Blasseneck Porphyroid / Blasseneck Porphyry above erosional unconformities in the E-GWZ by the Pol- FRITZ EBNER ster Quartzite (FLAjs & SCHÖNLAUB, 1976) and in the W- GWZ by “Conglomerates” and Llandoverian “Dolomites, Validity: Invalid; lithostratigraphic unit used since PANTZ & Limestones with tuffs” (MOSTLER, 1964, 1968, 1970). ATZL (1814) in terms of a formation but not formalized; well Lateral unit(s): W-GWZ: parts of the Wildschönau Schists. characterized by HEINISCH (1981). E-GWZ: Volcaniclastics and coarse quartzites (= reworked Type area: Eisenerzer Alpen, ÖK50-UTM, map sheet 4215 Blasseneck Porphyry; SCHÖNLAUB, 1982a). Eisenerz (ÖK50-BMN, map sheet 101 Eisenerz) and ÖK50- Geographic distribution: W-GWZ: Tyrol – Salzburg: Kitz- UTM, map sheet 4214 Trieben (ÖK50-BMN, map sheet büheler Alpen, Dientener Berge, N Pongau. 131 Kalwang). E-GWZ: from the Eisenerzer Alpen in Styria to Gloggnitz in Type section: Not yet indicated. Lower Austria (HEINISCH, 1981). Reference section(s): - Remarks: In the GWZ a great variety of low grade meta- Derivation of name: After Mt. Blaseneck (N 47°29’54” / morphic acid volcanic rocks of calc-alkaline geochemical E 14°37’09”), ÖK50-UTM, map sheet 4214 Trieben (ÖK50- character is summarized within the Blasseneck Porphyry. BMN, map sheet 131 Kalwang) in the Eisenerzer Alpen/ The volcanic origin of these rocks was already recognized Styria. The correct writing of the type locality in the ÖK50- by PANTZ & ATZL (1814), some later authors, however, pos- BMN, map sheet 131 Kalwang is Blaseneck! tulated a paragene formation until the volcanogenic origin Synonyms: “Blasseneckgneis” (FOULLON, 1886); “Körnige was renewed (OHNESORGE, 1905; REDLICH, 1907, 1908). Grauwacke, obere körnig-schiefrige Grauwacke” (SCHOup- Complementary references: ANGEL (1919), OHNESORGE PÉ, 1854; VACEK, 1900). (1909), CORNELIus (1952a), FLAjs (1964), MALZER (1964), Lithology: Some types of ignimbrites, unwelded tuffs and EBERHARD & MOSTLER (1966), BAUER et al. (1969), MAVRI- volcaniclastics, often intensively intercalated with fine si- DIS & MOSTLER (1970), LOESCHKE (1977), TOLLMANN (1977), liciclastic rocks. Geochemically alkali-rhyolitic and rhyolitic ­EBNER et al. (1989), SCHLAEGEL-BLAUT (1990), SCHÖNLAUB & types are dominating over rhyodacite, dacite and trachy- HEINISCH (1993). andesite (HEINISCH, 1981). Fossils: - Lydite, Arkosen, Schiefer / Lydites, Arkoses, Schists Origin, facies: Thick sequences are interpreted as sub- FRITZ EBNER aerially extruded ignimbrites in topographic highs whereas Validity: Invalid; informal working term. the volcanic debris has been washed by sediment flows Type area: ÖK50-UTM, map sheet 4215 Eisenerz (ÖK50- into shallow marine basins (MOSTLER, 1970; HEI NISCH, BMN, map sheet 101 Eisenerz, ÖK50-BMN, map sheets 1981; HEINISCH & SCHÖNLAUB, 1993). They resulted from an 131 Kalwang and 132 Trofaiach). extended late Ordovician magmatic event which is evident overall the Eastern and Southern Alps. However, modern Type section: Not indicated. plate tectonic concepts are not sufficient to explain the Reference section(s): - geodynamic relevance of this “Porphyroid”-event (HEI- Derivation of name: According to lithologies. NISCH,1981; LOESCHKE & HEINISCH, 1993). Synonyms: Partim “(feinschichtige) Grauwackenschie- Chronostratigraphic age: Upper Ordovician (Katian – fer” (HAMMER, 1924); “Schiefer über dem Porphyroid Hirnantian). i.A.” (SCHÖNLAUB & DAURER, 1978), Grauwackenschiefer Biostratigraphy: In the E-GWZ dating was possible due (SCHÖNLAUB, 1982a). to the position of the Blasseneck Porphyry between for- Lithology: Grey-striped schists, sericitic schists, sandy mations with conodonts of the Amorphognathus ordovici- schists, black schists, alaun schists, marly schists, lydites, cus Zone (FLAjs & SCHÖNLAUB, 1976). The porphyroids of arkoses and sandstones associated with basic metavolca- the W-GWZ were correlated with the Blasseneck Porphy- nics and scattered dark limestones. ry of the E-GWZ due to lithological criteria and their posi- tion below Llandoverian limestones dated by conodonts Fossils: Some conodonts in limestones of the hanging (MOSTLER, 1964, 1968, 1970). parts. Thickness: The thickness of the total volcanogenic se- Origin, facies: Basinal environment, partly euxinic and quence includig all clastic and volcaniclastic materials dis- with volcanic influence. plays strong regional differences even along short distanc- Chronostratigraphic age: ? Upper Ordovician–Silurian es (HEINISCH, 1981: Figs. 2, 3). (Llandovery/lower Wenlock). 18 Austrian Stratigraphic Chart 2004 - Paleozoic (sedimentary successions) Global Classification / Austrian Stratigraphic Commission / / STAGE / AGE ASC TIME Ma SERIES EPOCH ERATHEM ERA SYSTEM PERIOD DURATION Ma CHANGHSINGIAN 251 Dorashamian 2.8 Haselgebirge 255 WUCHIAPING- IAN 6.6 Northern Calcareous Alps Dzhulfian Kristberg Beds LOPINGIAN U. PERMIAN 260 Bellerophon Bellerophon Graschnitz Formation Präbichl Formation Formation Formation CAPITANIAN 5.4 Silbersberg Formation 265 WORDIAN 2.2 Gröden Formation ROADIAN 2.6 Gröden Formation MID. PERMIAN GUADALUPIAN 270 Gröden Formation Gröden Formation KUNGURIAN 5.0 ? 275 Tarvis Breccia 280 Alpine Verruccano Treßdorf Limestone ARTINSKIAN 8.8 Clastic Trogkofel Limestone Trogkofel 285 Formation PERMIAN SAKMARIAN 10.2 290 Upper Pseudoschwagerina 48 CISURALIAN Formation ? Formation Werchzirm Laas Formation Sandstones LOWER PERMIAN 295 Northern Calcareous Alps ASSELIAN 4.4 Grenzland Formation Rattendorf Formation Drau Range Zöbing Formation 299 Lower Pseudoschwagerina Formation GZHELIAN 4.9 of St. Paul Auernig Group Auernig Group KASIMOVIAN 2.6 305 Upper Carboniferous Waidegg Formation Lower Paleozoic of Zöbing Nötsch Hahn- Formation MOSKOVIAN 5.2 graben 310 Formation Sunk Formation Stangnock Formation Höchkg. Formation 6.4 315 Badstub BASHKIRIAN Formation U. CARBONIFEROUS PENNSYLVANIAN 320 SERPUKHOV- 8.3 IAN 325 Triebenstein Formation Triebenstein 330 Eisenerz Formation Erlachgraben Formation 335 VISEAN 18.9 Kirchbach Limestone Hochwipfel Formation Carboniferous of Nötsch Hochwipfel Formation Hochwipfel Formation 340 Bärenschütz Formation Crinoidal Limestone Dimon Formation Limestone Breccia 345 Steilbach Formation Shale, Lydite Breccias Shale, Lydite Dornerkogel Formation MISSISSIPPIAN 350 13.9 TOURNAISIAN Sanzenkogel Formation CARBONIFEROUS Plotta Lydite 60.2 355 Limestones Kronhof Limestone LOWER CARBONIFEROUS Kronhof Limestone 359.2 Upper Althofen Formation 365 FAMENNIAN 15.3 ? 370 Upper Althofen Steinberg Formation Auen Dolomite Marinelli Limestone Limestone Breccia Kollinkofel Limestone Fm. 375 Shale, UPPER Limestones Pal Limestone DEVONIAN Hochlantsch Hochlantsch FRASNIAN 10.8 380 Flaser Limestone Dolomites, Flaser Limestones Lydites Fahrneck Fm. Zachenspitz Fm. Feldkogel Limestone 385 Lydites, Schists, Lydites Kollerkogel Formation Limestone Breccia Schattberg Formation 6.5 Greywackes GIVETIAN Zollner Formation Kellergrat Reef Limestone 390 Tyrnaueralm Fm. Reef Limestone Hohe Trieb Fm. Hohe Trieb Platy Limestone Valentin Limestone Valentin Reef-debris Ls. Cellon Limestone MIDDLE EIFELIAN 5.7 395 of Althofen DEVONIAN Plabutsch Formation Osser Fm. Schweinegg Fm. Rotmüller Fm. Limestones, Lydites Spinotti Ls. Seeberg Coral-Crinoidal Limestone Schöckel Fm. Seeland Crinoidal Limestone Sauberg Limestone Freikofel Limestone Eiskar Limestone Limestone Massive Limestones Hochschlag Fm. Dalejian Lower Althofen 400 Limestone Upper Polster Limestone Lambertenghi Limestone DEVONIAN 9.5 Harrberger Fm. EMSIAN Kogler Formation Vinz Limestone Vinz Burgstall Crinoid- Flösserkogel Formation See- 405 Stromatoporoid Gamskogel warte Findenig Limestone Ursch Dolomite (Kaindorf Dolomite) Zlichovian Spielberg Dolomite Schwaz Dolomite Limestone Ls. Shale 56.8 Flaser Limestones Seeberg (Adelsberg Limestone) Hohe Parmasegg Hubenhalt Formation Complex PRAGIAN 4.2 Formation Dolomite from Hannersdorf Warte Limestone Kellerwand LOWER Ls. Metapsammitic 410 Bronteus Limestone DEVONIAN (Grebenzen Limestone) Rauchkofel 4.8 Klinglerkar Formation Metabasaltic LOCHKOVIAN Haider Marble Complex Limestone Platy Banded Formation Schönberg Formation Boden Limestone Mölbling Dolomite Limestone Limestone Cavernous Dolomites Mölbling Limestone 416 Bameder-, Heigger PRIDOLI Megaerella Ls. Alticola Ls. Bischofalm Shales 2.7 Middle and Upper Limestone Murau Limestone Cardiola Flaser Limestones Alticola Limestone Orthoceratid Formation Fm. St.Jakob Formation Kötschberg LUDFORDIAN 420 Pranker Metaclastics Cardiola Fm. Cardiola Fm. 4.2 Dolomite LOW LUD- GORSTIAN Middle Auen and from Sulz Dolomite- Lydite Group Orthoceratid Limestone HOMERIAN Dolomites and shales 5.5 425 from the Hochsteinmaißberg