Geologic Time Flashcards
1
Q
Angular unconformity
A
When rocks above and below an unconformity has different orientations. This is usually do to uplifting
2
Q
Disconformity
A
Similar to unconformity, this type involves the erosion and reforming of sedimentary layers. However, it involves no uplifing.
3
Q
Nonconformity
A
Sedimentary rock on igneous or metamorphic rocks.
4
Q
One half-life of atom
A
%0% of parent isotopes become daughter isotopes
