Welcome to the University of Maine School of Nursing! It is both an honor and a privilege to lead a School wholly committed to building a learning community of students and scholars where âeverybody knows your name.â Within the School of Nursing, you will find that that the gifts and talents of our faculty, staff, [â¦]
cast fossil (Noun). A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, also called a mold fossil, which is in the general form of the original organism.
According to The Petrified Wood Museum, a common fossil mold includes insect wing impressions. By studying the preserved pleating on the wings, paleontologists identify the insect family. Display. Museums make plaster of Paris or fiberglass casts of fossils to preserve the original fossil for study. Paleontologists also use casts for study if the original fossil is too fragile. When the weight of the fossil makes mounting of the original impractical, copies are used for display purposes.