Geology Information

Question: How old do you think this shell is?
It is estimated to be 4 - 7 million years.
What is an epoch:

an event or a time marked by an event that begins a new period or development
a memorable event or date
an extended period of time usually characterized by a distinctive development or by a memorable series of events
a division of geologic time less than a period and greater than an age
an instant of time or a date selected as a point of reference (as in astronomy)

Geologic Map of Virginia: http://geology.blogs.wm.edu/maps/

Physiographic Map of Virginia: virginiastudies.org/sites/default/files/slide-2_full.jpg

Geologic Time Scale: virginiastudies.org/sites/default/files/slide-2_full.jpg

An online guide to the natural resources of Windsor Castle Park

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