New sponge spicules from the Ediacaran-Cambrian transition in deep-water facies of South China
Sponges have great significance for understanding the origin and evolution of metazoans.
Biomarker fossil and molecular clock studies suggest a Precambrian origin of sponges, but …
Biomarker fossil and molecular clock studies suggest a Precambrian origin of sponges, but …
Surface microornamentation of demosponge sterraster spicules, phylogenetic and paleontological implications
P Cárdenas - Frontiers in Marine Science, 2020 - frontiersin.org
Siliceous spicules in demosponges exist in a variety of shapes, some of which look like
minute spheres of glass. They are called “sterrasters” when they belong to the Geodiidae …
minute spheres of glass. They are called “sterrasters” when they belong to the Geodiidae …
Copper-Bearing Mineralisation in the Upper Devonian Limestones: A Case Study from the Historical Teresa Adit in the Świętokrzyskie Mountains, Poland
The studied copper ore deposit is located in Miedzianka Mountain (Świętokrzyskie
Mountains, central Poland). This deposit was exploited from the 13th century to the 1950s; …
Mountains, central Poland). This deposit was exploited from the 13th century to the 1950s; …
Stable-isotope chemostratigraphy of Urgonian-type platform carbonates: Time to be cautious?
In recent years, δ 13 C and δ 18 O chemostratigraphy has become a powerful tool used to
solve controversial results using different biological time markers from shallow-marine …
solve controversial results using different biological time markers from shallow-marine …
Planktonic biota constituents responses to global sea-level changes recorded in the uppermost Albian to middle Cenomanian deep-water facies of the Outer …
Interpretations of sea-level changes over geological time are mainly based on analyses of
sediments deposited within stable platforms. One of the criteria for recognizing these …
sediments deposited within stable platforms. One of the criteria for recognizing these …
Timing of mass redeposition of sponge spicules from the peri-Tethyan shelf into the deep Carpathian Basin and their relation to mid-Cretaceous global sea level …
Abstract Extensive Albian–Cenomanian sponge growth on the European peri-Tethyan
shelves depended on sea level fluctuations that caused significant shoreline shifts and …
shelves depended on sea level fluctuations that caused significant shoreline shifts and …
Silification of the mesozoic rocks accompanying the bełchatów lignite deposit, central Poland
A Pękala - Geosciences, 2020 - mdpi.com
Fieldwork and exploratory study of Poland's Bełchatów lignite deposit reveals that the
Jurassic and Cretaceous sediments with overlying Neogene clays include rocks of greater …
Jurassic and Cretaceous sediments with overlying Neogene clays include rocks of greater …