golden spike
golden spike · golden spikes
A geologic marker created by a global event that leads to long lasting global changes…A geologic marker created by a global event that leads to long lasting global changes recorded in the geologic record that can be used to indicate a change in a geologic time division such as an epoch, age, era.
Meaning
1 sensesA geologic marker created by a global event that leads to long lasting global changes recorded in the geologic record that can be used to indicate a change in a geologic time division such as an epoch, age, era.
Forms
plural: golden spikes| Singular | golden spike |
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| Plural | golden spikes |
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