This means that the paleotemperature
estimates made up to now are incorrect," says Sylvain Bernard, a CNRS researcher at the Paris-based Institute of Mineralogy, Materials Physics and Cosmochemistry and the study's lead author.
variations of Early Jurassic seawater recorded in geochemical trends of belemnites from the Basque--Cantabrian basin, northern Spain.
The study considered the paleotemperature
records of the unaltered shells only.
How did paleotemperature
change affect obsidian hydration rates?
Using the following two empirical formulas, we calculated the paleotemperature
Calibration of the alkenone paleotemperature
index UK3 based on core-tops from the eastern South Atlantic and the global ocean (60[degrees]N-60[degrees]S).
Boltovskoy, "Note on the determination of absolute surface water paleotemperature
by means of the foraminifer Globigerina bulloides d'Orbigny," Palaontologische Zeitschrift, vol.
Using species-specific paleotemperature
equations with foraminifera: a case study in the Southern California Bight.
reconstruction in tropical Africa using fossil Chironomidae (Insecta: Diptera).
Using sediment records from each site, we infer conditions that existed before and after the WRA; we combine measures of ash deposition, paleoproduction, and chironomid community abundance with an independent paleotemperature
record to develop an integrated picture of the impacts of the ash deposition event on past aquatic ecosystems.
The importance application of Geochemical studies on the carbonate rocks is determination of the primary mineralogy composition, sedimentary environment, Paleotemperature
, rate of alteration, separating different diagenesis environments and diagenetic process [24,1,6].
and paleoprecipitation from the Guaduas Formation, Colombia.