Types of Fossils/index fossils
What are fossils?
Evidence of early life that is preserved in rock form.
The period of time that saw the rise of the dinosaurs and the breakup of the supercontinent named pangaea.
What is the Cenozoic Era?
Age of Mammals
Known as the age of...
Fish
What are molds and cast?
Molds made by fossils dissolving out of the rock and being filled with minerals.
What was the Jurassic era?
First appearance of birds and relates to the system of rocks in geological time.
Cenozoic Era periods?
Quaternary, Neogene, Paleogene
What animal group came in this era?
Reptiles
Three time periods of the Mesozoic era
Triassic, Jurassic, Creataceuos
Furry elephant that roamed in this era
Woolly mammoth
The first land......and.........started appearing during this era.
Plants and animals
Carbon compounds that make up the tissue of animals and plants to undergo chemical changes. This process results in a thin film of carbon.
Big extinction event at the end of the Mesozoic
Asteroid impact that took out the dinosaurs.
What related to climate during this area?
Ice age begin and there was glacial outburst floods.
What started to cover most of proto-North America?
Oceans
The study of life that existed in prehistoric times. Traces of the ancient life and fossils are both the base for the geologic time scale and an important part of the rock record.
What did sevier orogeny do?
What ended?
Laramide Orgeny
Other name for Proto-North America
Laurentia