Silurian global events–at the tipping point of climate change

AMT Elewa, M Calner - Mass extinction, 2008 - Springer
Mass extinction events affect a wide breadth of ecosystems and are one of the major driving
mechanisms behind evolution, origination, and diversification of taxa. Such dramatic …

Assessing mechanisms of environmental change: Palynological signals across the Late Ludlow (Silurian) positive isotope excursion (δ13C, δ18O) on Gotland …

L Stricanne, A Munnecke, J Pross - Palaeogeography, Palaeoclimatology …, 2006 - Elsevier
The Silurian is characterised by strong environmental changes, as indicated by several
pronounced positive δ13C and δ18O excursions. The mechanisms responsible for these …

First record of Pridolian graptolites from South America: Biostratigraphic and paleogeographic remarks

FE Lopez, C Kaufmann, JM Drovandi, OA Conde… - Gondwana …, 2023 - Elsevier
Graptolites were planktonic organisms that constitute one of the essential biostratigraphic
tools used in Paleozoic successions worldwide. Notably, Pridolian (upper Silurian) …

Evidence for rapid environmental changes in low latitudes during the Late Silurian Lau Event: the Burgen-1 drillcore, Gotland, Sweden

M Calner, MJ Eriksson - Geological Magazine, 2006 - cambridge.org
Erosional outliers are an important component of the Ludlow (Late Silurian) stratigraphy of
Gotland, Sweden. However, due to the poor degree of exposure, outcrop studies have not …

Exceptional soft-tissue preservation in boring ctenostome bryozoans and associated “fungal” borings from the Early Devonian of Podolia, Ukraine

E Olempska - Acta Palaeontologica Polonica, 2012 - BioOne
Colonies of boring ctenostome bryozoans and microborings of “fungi” that occur in the Early
Devonian (Lochkovian,∼ 416 Ma) of Podolia, western Ukraine, have soft-tissue preserved …

Study of main planktonic foraminifera (Turonian-Santonian) in Kopeh-Dagh sedimentary environment, NE Iran

M Shafiee Ardestani, M Vahidinia - Sustainable Earth Trends, 2021 - sustainearth.sbu.ac.ir
In order to study the fossil contents of the Abderaz Formation for biostratigraphical purposes
the 500 meters thick section was sampled at type section. The sequence is mainly made up …

Zonning susceptible areas of landslide using WLC and OWA methods-A case study in Mountain cliff Khan, Iran

H Ganjaeian, M Rezaei Arefi… - Sustainable earth …, 2021 - sustainearth.sbu.ac.ir
Background and objectives: Urban regeneration is a clear mirror that reflects urban thinking
and planning in every national system. This process in Iranian cities is quite different from …

Paleogeography and regional interpretation of facies in Tirgan Formation, west of Kopet-Dagh sedimentary basin, northeast of Iran

A Chenarani, M Shafiee Ardestani… - Sustainable Earth …, 2021 - scj.sbu.ac.ir
In order to study the lithostratigraphy, biostratigraphy, microfacies, depositional setting and
also to reconstruct the paleo-environmental conditions of the Tirgan Formation, three …

Hydro geochemical properties and groundwater quality using FGQI method from the stand point of Iranian standards and World Health Organization A case study in …

B Saeedi Razavi, S Senemari - Sustainable Earth Trends, 2021 - sustainearth.sbu.ac.ir
Excessive exploitation of groundwater resources has negatively affected their equilibrium
and the groundwater level in several aquifers. Naghade plain (one of Urmia lake aquifers) …

Monitoring the interactions between rivers and sand dunes using remote sensing

N Malamiri - Sustainable Earth Review, 2021 - sustainearth.sbu.ac.ir
The performance of rivers and winds is an important factor in improving landscapes and
shaping the earth's surface. Iran is located in an Arid region and the sand plain and sand …