Dating
Cards (23)
- What is the technique used to determine the age of rocks and fossils?
- What are the two types of dating methods?
- What does stratigraphy study?
- What assumption is stratigraphy based on regarding rock layers?
- What do sequential layers of rock represent?
- What is a bed in stratigraphy?
- How are related beds grouped in stratigraphy?
- What was the primary method of relative dating in early studies?
- Who established the theoretical basis for stratigraphy?
- What did Steno introduce in his 1669 work?
- What does the law of superposition state?
- What does the law of original horizontality state?
- What does the law of cross-cutting relationships state?
- What does the law of lateral continuity state?
- What do unconformities represent in geological history?
- What is it called when layers of rock formed without interruption?
- What are the three types of unconformities?
- What characterizes an angular unconformity?
- What defines a disconformity?
- What is a nonconformity?
- What does a nonconformity indicate?
- What type of rocks are at the base of the Grand Canyon succession?
- What type of sediments overlay the Archean Vishnu schist?