Biological hard tissues are a rich source of design concepts for the generation of advanced materials. They represent the most important library of information on the evolution of life …
H Mii, EL Grossman, TE Yancey - Geological Society of …, 1999 - pubs.geoscienceworld.org
We present detailed isotope stratigraphies for Carboniferous time based on brachiopod shell calcite from the midcontinent region of North America. Evidence for shell calcite …
J Veizer, P Fritz, B Jones - Geochimica et Cosmochimica Acta, 1986 - Elsevier
Combined trace element and isotope studies of 319 brachiopods, covering the Ordovician to Permian time span, show that δ 13 C and δ 18 O in well preserved specimens varied during …
Brachiopods, trilobites, cements and whole rock (= matrix) material were evaluated for their reliability as proxies of original seawater carbon, oxygen and strontium isotope chemistry. In …
IP Montanez, JF Read - Journal of Sedimentary …, 1992 - pubs.geoscienceworld.org
Abstract The Lower Ordovician Upper Knox Group is characterized by shallowing-upward peritidal cycles that are extensively dolomitized to form massive dolomite. Most (85%) …
The end of the Permian was a time of crisis that culminated in the Earth's greatest mass extinction. There is much speculation as to the cause for this catastrophe. Here we provide a …
Abstract Carbonate Associated Sulfate (CAS) is trace sulfate incorporated into carbonate minerals during their precipitation. Its sulfur isotopic composition is often assumed to track …
D Parkinson, GB Curry, M Cusack, AE Fallick - Chemical Geology, 2005 - Elsevier
This study investigates δ13C and δ18O variations in the shells of modern brachiopods representing all extant groups of calcite-precipitating brachiopods, collected live from 8 …
IS Al-Aasm, J Veizer - Journal of Sedimentary Research, 1986 - pubs.geoscienceworld.org
Cretaceous rudists, with thick, multilayered, bimineralic (aragonite and low-Mg calcite) shells, have been studied for the effects of meteoric diagenesis on their textural and …