Studied by 2 people
Radiometric dating
________ is possible if a rock contains a measurable amount of.
Tyrannosaurus Rex
________ lived during the Upper Cretaceous period (roughly 100- 66 Ma ago) in the era.
lithosphere
The ________ is made up of the uppermost mantle and the.
Glacial ice
________ once covered much of what is now India and Australia.
biblical scholar
Was a classical and ________ who created a careful and critical chronology of human history, including the date of the Creation of the Earth (4004 BC)
Clay minerals
________ are common examples of silicate structures.
CO3
A (n) is a negatively charged element or element group such as Cl- or ________- 2.
Moon
A disk of orbiting material was formed, and this matter eventually condensed to form the ________ in orbit around the Earth.
Mesosaurus
________ migrated across the ocean from location X to location Y.
scratches
Are ________ or gouges cut into bedrock by glacial abrasion.
Mesosaurus
________ came into existence on several widely separated continents at different times.
is thick (30
75 km), old (up to 4,400,000,000 years), composed of felsic (granitic) silicates, light (-2.7 g/cm3), and is highly deformed by folding
older
younger
Hint
how many half-lives have elapsed
Note 
Flashcard (112)