Greener Journal of Physical Sciences Vol. 4 (2), pp. 013-021, March 2014.
ISSN: 2276-7851 © 2011 Greener Journals
Manuscript Number: 1218131035
Causes of Mass Extinctions - With Special Reference to Vanishing Of Dinosaurs
Ashraf M. T. Elewa
Professor of Micropaleontology and Paleoecology, Geology Department, Faculty of Science,
Minia University, Egypt.
Email: ashraf.aleiwa @ mu. edu. eg; aelewa @ link. net
The causes of mass extinctions have been currently reviewed
with state-of-the-art information on new hypotheses dealing
with the disappearance of creatures as a result of sudden
(catastrophic) and/or gradual changes in environments. A
special reference to vanishing of dinosaurs is detailed.
Keywords: Mass extinctions; impact; volcanism; dinosaurs; current mass extinction; avoiding mass extinction.