Term
|
Definition
•Stratigraphic complexity
•Lack of datable material
•Sediments, not fossils/artifacts dated
•Some techniques still controversial
•Even in best-case scenario, have error term |
|
|
Term
|
Definition
| study of decaying organisms over time and how they become fossilized |
|
|
Term
|
Definition
| The process of chemical and physical change in deposited sediment during its conversion to rock |
|
|
Term
|
Definition
| the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone. |
|
|
Term
|
Definition
|
|
Term
| radiometric dating is a form of |
|
Definition
|
|
Term
|
Definition
| dating by growth of tree rings |
|
|
Term
|
Definition
| thin sedimentary layers formed annually by seasonal climatic changes. Usually found in glacial lake deposits |
|
|
Term
|
Definition
| is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 (14C) to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years |
|
|
Term
|
Definition
| either heated (lava, ceramics) or exposed to sunlight (sediments). |
|
|
Term
|
Definition
|
|
Term
|
Definition
| The quickly cooled lavas that make nearly ideal samples |
|
|
Term
|
Definition
| the age of calcium carbonate materials such as speleothem or coral.[ |
|
|
Term
|
Definition
| analyses of the damage trails, or tracks, left by fission fragments in certain uranium-bearing minerals and glasses |
|
|
