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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Madagascar (1)
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North Africa
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Algeria (2)
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Atlas Mountains
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Moroccan Atlas Mountains
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High Atlas (1)
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Egypt
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Morocco
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Southern Africa
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South Africa
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Asia
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Oman (1)
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Far East
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Korea
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Iran
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Atlantic Ocean
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Europe
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Vermes (3)
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microfossils
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Conodonta (3)
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Plantae
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algae
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Corallinaceae (1)
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geologic age
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Cenozoic
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Tertiary
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lower Eocene (1)
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Paleocene
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Mesozoic
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minerals
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carbonates
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sulfates
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Primary terms
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Africa
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Madagascar (1)
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North Africa
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Algeria (2)
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Atlas Mountains
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High Atlas (1)
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Egypt
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Morocco
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Tunisia (1)
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Sahara (1)
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Southern Africa
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Asia
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Far East
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Atlantic Ocean
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Australasia
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biogeography (18)
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Canada
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carbon
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Cenozoic
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Invertebrata
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Brachiopoda
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Articulata
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Strophomenida (8)
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Inarticulata
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Tabulata
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-
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Echinodermata
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Crinozoa
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-
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Mollusca
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Protista
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Vermes (3)
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Mediterranean region (1)
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Mesozoic
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Cretaceous
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Berriasian (1)
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Hauterivian (3)
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-
-
Upper Cretaceous
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-
-
-
Franciscan Complex (2)
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Great Valley Sequence (2)
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Jurassic
-
Lower Jurassic
-
Domerian (1)
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Hettangian (1)
-
lower Liassic (1)
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middle Liassic (2)
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Pliensbachian (3)
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lower Toarcian (1)
-
-
upper Liassic (2)
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Middle Jurassic
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Twin Creek Limestone (1)
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Upper Jurassic
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-
-
-
Triassic
-
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Spathian (1)
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Thaynes Formation (2)
-
-
-
-
Mexico
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-
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North America
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Basin and Range Province (2)
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oxygen
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paleogeography (8)
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Paleozoic
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Carboniferous
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Dinantian (6)
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Mississippian
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Tournaisian (4)
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Madison Group (1)
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Visean (2)
-
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Upper Mississippian
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Chesterian (1)
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Pennsylvanian
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Desmoinesian (1)
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Upper Carboniferous (1)
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Devonian
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Lower Devonian
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Emsian (1)
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Helderbergian (1)
-
-
Middle Devonian
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Eifelian (2)
-
Marcellus Shale (1)
-
-
Upper Devonian
-
Famennian
-
lower Famennian (1)
-
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Frasnian (2)
-
-
-
Magdalena Group (1)
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Ordovician
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Lower Ordovician
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Arenigian (1)
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Fillmore Formation (1)
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Ibexian (1)
-
-
Middle Ordovician
-
Bromide Formation (1)
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Simpson Group (1)
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Whiterockian (1)
-
-
Upper Ordovician
-
Ashgillian (1)
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Cincinnatian
-
Richmondian (1)
-
-
Fernvale Formation (1)
-
Fish Haven Dolomite (1)
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Hirnantian (1)
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Katian (1)
-
-
-
Permian
-
Lower Permian (1)
-
Upper Permian (1)
-
-
Silurian
-
Lower Silurian
-
Llandovery
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Aeronian (1)
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Rhuddanian (1)
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-
Wenlock (1)
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Middle Silurian
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upper Paleozoic (1)
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Plantae
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sea-level changes (2)
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Rhynchonellida
The last representatives of the Superfamily Wellerelloidea (Brachiopoda, Rhynchonellida) in the westernmost Tethys (Iberian paleomargins) prior to their demise in the early Toarcian Mass Extinction Event
Permian–Triassic phylogenetic and morphologic evolution of rhynchonellide brachiopods
Brachiopods from the Latham Shale Lagerstätte (Cambrian Series 2, Stage 4) and Cadiz Formation (Miaolingian, Wuliuan), California
Brachiopodes (Rhynchonellida) du sommet du Toarcien inférieur et du Toarcien moyen de l’Unité centrale des Rides sud-rifaines (nord Maroc)
Lower Famennian (Upper Devonian) rhynchonellide and athyride brachiopods from the South Armenian Block
ABSTRACT The Cretaceous-Paleocene (K/P) boundary intervals are rarely preserved in successions of shallow-water limestones. Here, we describe a shallow rocky shore on the active orogenic wedge of the eastern Alps (Austria) fringed by a carbonate platform that was largely cannibalized by erosion. We compared this succession with similar nearshore environments globally, as well as the deep sea, to gain a better understanding of the environmental response to the K/P boundary transition. In the eastern Alps, Cretaceous and Paleocene lithofacies across the K/P boundary transition are separated by a hardground that formed during subaerial exposure and that terminates Upper Maastrichtian limestone with planktic foraminiferal assemblages deposited at neritic depth during zone CF3 (ca. 66.500 Ma). Above the hardground, there are beachrocks with early Danian zone P1a(1) assemblages, which indicate the hardground spans about ~600 k.y. of nondeposition and/or erosion. During the early Danian, the marine transgressive fringe fluctuated between “shoreface to emersion” environments, depositing limestones rich in bryozoans, rhynchonellids, coralline algae, and rare planktic foraminifera along with abraded, bored, and/or encrusted clasts eroded from older rocks. Repeated short subaerial exposure is marked by vadose diagenesis and hardgrounds, including an ~1.5 m.y. interval between magnetochrons C29n to C28n and planktic foraminiferal zones P1b to P1c(2). Comparison with platform carbonate sequences from Croatia, Oman, Madagascar, Belize, and Guatemala, as well as nearshore siliciclastic environments of southern Tunisia, Texas, and Argentina, across the K/P boundary transition revealed surprisingly similar deposition and erosion patterns, with the latter correlative with sea-level falls and repeated subaerial exposure forming hardgrounds. Comparison with deep-sea depositional patterns revealed coeval but shorter intervals of erosion. This pattern shows a uniform response to the K/P boundary transition linked to climate and sea-level changes, whether in shallow nearshore or deep-sea environments, with climate change tied to Deccan volcanism in magnetochrons C29r-C29n.