Tectonostratigraphic Table EN

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OuderdomAge (Ma)(Ma) Era System Series Stage Groups in the subsurface of the Netherlands Tectonic phase Holocene 0 Quaternary Pleistocene Gelasian Piacenzian Pliocene Zanclean Messinian 10 Tortonian Upper North Sea Group - NU Neogene Serravallian Miocene Langhian Burdigalian 20 Aquitanian Savian Chattian Oligocene Middle North Sea Group - NM 30 Rupelian Priabonian Pyrenean Bartonian 40 CENOZOIC Paleogene Eocene Lutetian Lower North Sea Group - NL 50 Ypresian North Sea Supergroup - N Thanetian 60 Paleocene Selandian Danian Laramide Maastrichtian 70 Campanian 80 Upper Chalk Group - CK Santonian Sub-Hercynian Coniacian 90 Turonian Cenomanian 100 Cretaceous Albian Rijnland Group - KN 110 Aptian 120 Austrian Lower Barremian 130 Hauterivian Valanginian 140 Berriasian Late Portlandian Upper Jurassic groups Kimmerian 150 SL Upper Kimmeridgian SG, SK, SL Upper Super- Jurassic Oxfordian group - S 160 Callovian Bathonian MESOZOIC 170 Middle Bajocian Mid-Kimmerian Jurassic Aalenian 180 Toarcian Lower Pliensbachian Altena Group - AT 190 Sinemurian Hettangian 200 Rhaetian 210 Early Kimmerian Norian 220 Upper Upper Germanic Trias Group - RN Triassic 230 Carnian 240 Ladinian Middle Anisian Olenekian Hardegsen 250 Lower Induan Lower Germanic Trias Group - RB Changhsian Lopingian Wuchiapingian Zechstein Group - ZE 260 Upper Rotliegend Group - RO Capitanian Guadalupian Wordian 270 Roadian Kungurian Lower Rotliegend Permian Group - RV 280 Artinskian Saalian Cisuralian 290 Sakmarian Asselian 300 Variscan Stephanian 310 Pennsylvanian Westphalian Limburg Group - DC (~Silesian) 320 Namurian Carbonif- Serpukhovian Sudetian 330 erous Visean Carboniferous Limestone 340 Mississippian Farne Group - CF (~Dinantian) Group - CL 350 Tournaisian 360 PALEOZOIC Bretonian Famennian 370 Upper Old Red Group - OR Frasnian Banjaard group (inf.) - OB 380 ? ? Givetian Devonian Middle Acadian 390 Eifelian ? ? 400 Emsian Lower 410 Pragian Lochkovian 420 Pridoli ? ? ? ? Scandian Ludfordian Ludlow Gorstian Silurian - OS 430 Wenlock Homerian Silurian Sheinwoodian ? ? ? ? Telychian 440 Llandovery Aeronian Rhuddanian TNO-GSN 2019/12.

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Mesozoic Stratigraphy at Durango, Colorado
160 New Mexico Geological Society, 56th Field Conference Guidebook, Geology of the Chama Basin, 2005, p. 160-169. LUCAS AND HECKERT MESOZOIC STRATIGRAPHY AT DURANGO, COLORADO SPENCER G. LUCAS AND ANDREW B. HECKERT New Mexico Museum of Natural History and Science, 1801 Mountain Rd. NW, Albuquerque, NM 87104 ABSTRACT.—A nearly 3-km-thick section of Mesozoic sedimentary rocks is exposed at Durango, Colorado. This section con- sists of Upper Triassic, Middle-Upper Jurassic and Cretaceous strata that well record the geological history of southwestern Colorado during much of the Mesozoic. At Durango, Upper Triassic strata of the Chinle Group are ~ 300 m of red beds deposited in mostly fluvial paleoenvironments. Overlying Middle-Upper Jurassic strata of the San Rafael Group are ~ 300 m thick and consist of eolian sandstone, salina limestone and siltstone/sandstone deposited on an arid coastal plain. The Upper Jurassic Morrison Formation is ~ 187 m thick and consists of sandstone and mudstone deposited in fluvial environments. The only Lower Cretaceous strata at Durango are fluvial sandstone and conglomerate of the Burro Canyon Formation. Most of the overlying Upper Cretaceous section (Dakota, Mancos, Mesaverde, Lewis, Fruitland and Kirtland units) represents deposition in and along the western margin of the Western Interior seaway during Cenomanian-Campanian time. Volcaniclastic strata of the overlying McDermott Formation are the youngest Mesozoic strata at Durango. INTRODUCTION Durango, Colorado, sits in the Animas River Valley on the northern flank of the San Juan Basin and in the southern foothills of the San Juan and La Plata Mountains. Beginning at the northern end of the city, and extending to the southern end of town (from north of Animas City Mountain to just south of Smelter Moun- tain), the Animas River cuts in an essentially downdip direction through a homoclinal Mesozoic section of sedimentary rocks about 3 km thick (Figs.
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Paper Number: 1591 the Stratigraphic Table of Germany Revisited: 2016
Paper Number: 1591 The Stratigraphic Table of Germany revisited: 2016 Menning, M., Hendrich, A. & Deutsche Stratigraphische Kommission Helmholtz-Zentrum Potsdam, Deutsches GeoForschungsZentrum GFZ, D-14473 Potsdam, Germany, menne@gfz- potsdam.de For the occasion of the “Year of Geosciences” in Germany 2002 the German Stratigraphic Commission created the “Stratigraphic Table of Germany 2002” (STD 2002) [1]. It presents more than 1 000 geological units, beds, formations, groups, regional stages, and regional series of the Regional Stratigraphic Scale (RSS) of Central Europe in relation to the Global Stratigraphic Scale (GSS). Alongside the recent stratigraphic terms are also some historical names like Wealden (now Bückeberg Formation, Early Cretaceous) and Wellenkalk (now Jena Formation, Muschelkalk Group, Middle Triassic) [1] (http://www.stratigraphie.de/std2002/download/STD2002_large.pdf). The numerical ages in the table have been estimated using all available time indicators including (1) radio-isotopic ages, (2) sedimentary cycles of the Milankovich-band of about 0.1 Ma and 0.4 Ma duration for the Middle Permian to Middle Triassic (Rotliegend, Zechstein, Buntsandstein, Muschelkalk, and Keuper groups), and (3) average weighted thicknesses for the Late Carboniferous of the Central European Namurian, Westphalian, and Stephanian regional stages. Significant uncertainties are indicated by arrows instead of error bars as in the Global Time Scales 1989 and 2012 (GTS 1989, Harland et al. 1990 [2], GTS 2012, Gradstein et al. 2012 [3]). Those errors were underestimated in the GTS 2012 [3] because they were calculated using too much emphasis on laboratory precision of dating and less on the uncertainty of geological factors. Figure 1: Buntsandstein and Muschelkalk in the Stratigraphic Table of Germany 2016 (part) In 2015 und 2016 the German Stratigraphic Commission updated the entire STD 2002 [1].
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Lithostratigraphy, Microlithofacies, And
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